{"title":"ECU Upgrade","description":"","products":[{"product_id":"renntech-ecu-upgrade-w222-s-550-540hp-705tq-4-7l-v8-biturbo-m278","title":"RENNtech ECU+ Upgrade | W222 | S 550 | 540HP \/ 705TQ | 4.7L V8 BiTurbo | M278","description":"RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003cbr\u003e\u003cbr\u003eOur proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003cbr\u003e\u003cbr\u003eOur proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003cbr\u003e\u003cbr\u003eWith the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RENNtech boosts the 550-Series to AMG Power Levels. The RENNtech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank.\u003cbr\u003e\u003cbr\u003eCompared to power numbers by Mercedes-Benz, the S 550 gains up to 66 HP and 139 LB-FT. This Software update delivers up to 10 HP and 99 LB-FT more than the previous version.\u003cbr\u003e\u003cbr\u003eThe vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles. All this without sacrificing around town comfort and daily driver reliability.\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003eNotes:\u003cbr\u003e\u003cbr\u003eWe have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003cbr\u003ePower gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles.\u003cbr\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003cbr\u003eStates known for poor fuel quality have to be supplied with a lower power setup. Please call for details and Race fuel options +1-561-845-7888.","brand":"RennTech","offers":[{"title":"Default Title","offer_id":43404275843223,"sku":"54.222.S550BT","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Ecu_Upgrade_For_Mercedes-Benz_GL_550_-_AutoTalent_a9a78599-2a98-4a61-bdaa-7091886af8f9.jpg?v=1583622283"},{"product_id":"renntech-ecu-upgrade-for-mercedes-benz-w176-a45-amg-2014-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz W176 A45 AMG 2012-2018","description":"\u003cp data-mce-fragment=\"1\"\u003eFor any questions please PM or email: \u003cstrong data-mce-fragment=\"1\"\u003e\u003ca href=\"mailto:online@autotalent.com\" data-mce-fragment=\"1\" data-mce-href=\"mailto:online@autotalent.com\"\u003eOnline@AutoTalent.com\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003eRENNtech Performance Ecu Upgrade For Mercedes-Benz W176 A45 AMG 2012-2018\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv aria-hidden=\"false\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" id=\"tabs-1\"\u003e\n\u003cdiv class=\"product-single__description rte\" id=\"pro_desc\" itemprop=\"description\"\u003e\n\u003cdiv aria-hidden=\"false\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" id=\"tabs-1\"\u003e\n\u003cdiv class=\"product-single__description rte\" id=\"pro_desc\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech Ecu upgrade for the Mercedes M133 2.0L turbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Their Ecu tune offers the biggest performance gains on the market with our dyno results increasing performance from 355 HP and 332 lb\/ft torque, up to an astonishing 428 HP and 417 lb\/ft at the crank. \u003cspan\u003eRennTech \u003c\/span\u003etuning module for the A 45 AMG is plug \u0026amp; play, delivered with a specific M133 engine harness to make installation simple and requires no cutting or splicing of wires.\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncreasing performance from 355 HP and 332 lb\/ft torque up to 428 HP and 417 lb\/ft\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGains: +73HP \u0026amp; +85TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eECU Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eStock Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e355 HP @ 6,000rpm; 332 LB-FT @ 2,250-5,000rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eModified Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e428 HP @ 6,150rpm; 417 LB-FT @ 4,050rpm\u003c\/li\u003e\n\u003cli\u003e351 whp @ 6,150rpm; 342 wtq @ 4,050rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3 style=\"text-align: start;\" data-mce-style=\"text-align: start;\"\u003eFitment Chart:\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/h3\u003e\n\u003cdiv style=\"text-align: start;\" data-mce-style=\"text-align: start;\"\u003e\n\u003ctable style=\"width: 105.205%; height: 27px;\" data-mce-style=\"width: 105.205%; height: 27px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"color: #ffffff; background-color: #03589c; height: 10px;\" data-mce-style=\"color: #ffffff; background-color: #03589c; height: 10px;\"\u003e\n\u003ctd style=\"text-align: center; width: 8.29604%; height: 10px;\" data-mce-style=\"text-align: center; width: 8.29604%; height: 10px;\"\u003e\u003cstrong\u003eMake\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8897%; height: 10px;\" data-mce-style=\"text-align: center; width: 18.8897%; height: 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 10.8143%; height: 10px;\" data-mce-style=\"text-align: center; width: 10.8143%; height: 10px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #e8f4f8; height: 17px;\" data-mce-style=\"background-color: #e8f4f8; height: 17px;\"\u003e\n\u003ctd style=\"text-align: center; width: 8.29604%; height: 17px;\" data-mce-style=\"text-align: center; width: 8.29604%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eMercedes\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8897%; height: 17px;\" data-mce-style=\"text-align: center; width: 18.8897%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eW176 A45 AMG\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 10.8143%; height: 17px;\" data-mce-style=\"text-align: center; width: 10.8143%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e2012-2018\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30574291320968,"sku":"54.176.A45","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_0b6630e4-b8e2-49e6-bfff-14464995b617.jpg?v=1583589669"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-a45-amg-2014-2019","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz A45 AMG 2014-2024","description":"\u003ch3\u003e\u003ciframe width=\"855\" height=\"481\" src=\"https:\/\/www.youtube.com\/embed\/uMVWVX0eQ5U\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. RennTech tuning module for the A 45 AMG is plug \u0026amp; play, delivered with a specific M133 engine harness to make installation simple and requires no cutting or splicing of wires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eDue to the ability of the end user to set performance levels, RennTech assumes no liability for incorrectly adjusted performance levels by the customer\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower: +50hp at 5500rpm, +40hp at 6100rpm\u003c\/li\u003e\n\u003cli\u003eTorque: Average plus of 70Nm (52 lb\/ft) between 3250rpm and 5500rpm.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves vehicles responsiveness \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eECU Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/29_large.jpg?v=1570738631\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e   \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2014 Mercedes-Benz W176 A45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2015 Mercedes-Benz W176 A45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016 Mercedes-Benz W176 A45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017 Mercedes-Benz W176 A45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018 Mercedes-Benz W176 A45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019 Mercedes-Benz W176 A45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30694314999944,"sku":"54.133.1000","price":2450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/28_946bb0ed-977a-4f73-b570-5294ffebd1bc.jpg?v=1576603262"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-cla45-amg-2014-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz CLA45 AMG 2014-2019","description":"\u003ch3\u003e\u003ciframe width=\"853\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/Ib0bKwLVJ5U\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. RennTech tuning module for the CLA 45 AMG is plug \u0026amp; play, delivered with a specific M133 engine harness to make installation simple and requires no cutting or splicing of wires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eDue to the ability of the end user to set performance levels, RennTech assumes no liability for incorrectly adjusted performance levels by the customer\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower: +50hp at 5500rpm, +40hp at 6100rpm\u003c\/li\u003e\n\u003cli\u003eTorque: Average plus of 70Nm (52 lb\/ft) between 3250rpm and 5500rpm.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves vehicles responsiveness \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eECU Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/29_large.jpg?v=1570738631\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e   \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2014 Mercedes-Benz C117 CLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2015 Mercedes-Benz C117 CLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016 Mercedes-Benz C117 CLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017 Mercedes-Benz C117 CLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018 Mercedes-Benz C117 CLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019 Mercedes-Benz C117 CLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30694331711624,"sku":"ECU-TU:54.133.1000","price":2450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Ecu_Upgrade_For_Mercedes-Benz_CLA45_AMG_-_AutoTalent.jpg?v=1583630870"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-cla45-amg-2014-2020","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz CLA45 AMG 2014-2019","description":"\u003cp data-mce-fragment=\"1\"\u003eFor any questions please PM or email: \u003cstrong data-mce-fragment=\"1\"\u003e\u003ca href=\"mailto:online@autotalent.com\" data-mce-href=\"mailto:online@autotalent.com\" data-mce-fragment=\"1\"\u003eOnline@AutoTalent.com\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003eRennTech Performance Ecu Upgrade For Mercedes-Benz CLA45 AMG 2014-2021\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech Ecu upgrade for the Mercedes M133 2.0L turbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Their Ecu tune offers the biggest performance gains on the market with our dyno results increasing performance from 355 HP and 332 lb\/ft torque, up to an astonishing 428 HP and 417 lb\/ft at the crank. \u003cspan\u003eRennTech \u003c\/span\u003etuning module for the CLA 45 AMG is plug \u0026amp; play, delivered with a specific M133 engine harness to make installation simple and requires no cutting or splicing of wires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncreasing performance from 355 HP and 332 lb\/ft torque up to 428 HP and 417 lb\/ft\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGains: +73HP \u0026amp; +85TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eECU Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eStock Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e355 HP @ 6,000rpm; 332 LB-FT @ 2,250-5,000rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eModified Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e428 HP @ 6,150rpm; 417 LB-FT @ 4,050rpm\u003c\/li\u003e\n\u003cli\u003e351 whp @ 6,150rpm; 342 wtq @ 4,050rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch4\u003eVehicle Fitment Chart:\u003c\/h4\u003e\n\u003ctable class=\"custable\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px; text-align: center;\"\u003e\u003cstrong\u003eMAKE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px; text-align: center;\"\u003e\u003cb\u003eMODEL\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px; text-align: center;\"\u003e\u003cstrong\u003eYEAR\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eMercedes-Benz\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eC117 CLA45 AMG\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e2014-2019\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30694334726280,"sku":"54.117.CLA45","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_d0c19e1a-663c-4408-aedb-e9bf2b14eaf5.jpg?v=1583589929"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c63s-amg-2015-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C63S AMG 2015-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no Ecu removal. \u003cspan\u003eRennTech \u003c\/span\u003eproprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the Ecu. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech has been at the forefront of Ecu tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary Ecu upgrade offers incredible performance gains and rock solid daily driver reliability. RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to +66 HP and +107 LB-FT\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e503 HP @ 5,500-6,250rpm; 516 LB-FT @ 1,750-4,500rpm\u003c\/li\u003e\n\u003cli\u003e545 HP @ 6,150rpm; 550 LB-FT @3,700-4,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e601 HP @ 5,650rpm; 657 LB-FT @ 4,250-4,800rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/44_large.jpg?v=1570807612\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz W205 C63 AMG S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz W205 C63 AMG S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz W205 C63 AMG S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz W205 C63 AMG S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz W205 C63 AMG S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30696004845704,"sku":"54.205W.C63BT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent.jpg?v=1583043637"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c63-amg-2015-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C63 AMG 2015-2021","description":"\u003cp data-mce-fragment=\"1\"\u003eFor any questions please PM or email: \u003cstrong data-mce-fragment=\"1\"\u003e\u003ca href=\"mailto:online@autotalent.com\" data-mce-href=\"mailto:online@autotalent.com\" data-mce-fragment=\"1\"\u003eOnline@AutoTalent.com\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003eRENNtech Performance Ecu Upgrade For Mercedes-Benz C63 AMG 2015-2021\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no Ecu removal. \u003cspan\u003eRennTech \u003c\/span\u003eproprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the Ecu. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech has been at the forefront of Ecu tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary Ecu upgrade offers incredible performance gains and rock solid daily driver reliability. RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M177 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to +66 HP and +107 LB-FT\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e503 HP @ 5,500-6,250rpm; 516 LB-FT @ 1,750-4,500rpm\u003c\/li\u003e\n\u003cli\u003e545 HP @ 6,150rpm; 550 LB-FT @3,700-4,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e601 HP @ 5,650rpm; 657 LB-FT @ 4,250-4,800rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/44_large.jpg?v=1570807612\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch4\u003eVehicle Fitment Chart:\u003c\/h4\u003e\n\u003ctable class=\"custable\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px; text-align: center;\" data-mce-style=\"height: 19px; text-align: center;\"\u003e\u003cstrong\u003eMAKE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px; text-align: center;\" data-mce-style=\"height: 19px; text-align: center;\"\u003e\u003cb\u003eMODEL\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px; text-align: center;\" data-mce-style=\"height: 19px; text-align: center;\"\u003e\u003cstrong\u003eYEAR\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eMercedes-Benz\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eC63 AMG\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e2015-2023\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30696443478152,"sku":"54.205W.C63BT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_ae2d29fc-ec89-4791-9326-36df51a71cc0.jpg?v=1583046326"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-x156-gla45-amg-2014-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz X156 GLA45 AMG 2014-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech Ecu upgrade for the Mercedes M133 2.0L turbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Their Ecu tune offers the biggest performance gains on the market with our dyno results increasing performance from 355 HP and 332 lb\/ft torque, up to an astonishing 428 HP and 417 lb\/ft at the crank. \u003cspan\u003eRennTech \u003c\/span\u003etuning module for the GLA45 AMG is plug \u0026amp; play, delivered with a specific M133 engine harness to make installation simple and requires no cutting or splicing of wires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncreasing performance from 355 HP and 332 lb\/ft torque up to 428 HP and 417 lb\/ft\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGains: +73HP \u0026amp; +85TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eECU Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eStock Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e355 HP @ 6,000rpm; 332 LB-FT @ 2,250-5,000rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eModified Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e428 HP @ 6,150rpm; 417 LB-FT @ 4,050rpm\u003c\/li\u003e\n\u003cli\u003e351 whp @ 6,150rpm; 342 wtq @ 4,050rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e   \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30697826877576,"sku":"54.156.GLA45","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_0229f8f8-46ef-4429-b1be-50dc373a6700.jpg?v=1583622853"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-x156-gla45-amg-2014-2020","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz X156 GLA45 AMG 2014-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. RennTech tuning module for the GLA45 AMG is plug \u0026amp; play, delivered with a specific M133 engine harness to make installation simple and requires no cutting or splicing of wires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eDue to the ability of the end user to set performance levels, RennTech assumes no liability for incorrectly adjusted performance levels by the customer\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower: +50hp at 5500rpm, +40hp at 6100rpm\u003c\/li\u003e\n\u003cli\u003eTorque: Average plus of 70Nm (52 lb\/ft) between 3250rpm and 5500rpm.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves vehicles responsiveness \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eECU Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/29_large.jpg?v=1570738631\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e   \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2014 Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2015 Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016 Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017 Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018 Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019 Mercedes-Benz X156 GLA45 AMG\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30697831039112,"sku":"54.133.1000","price":2450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceEcuUpgradeForMercedes-BenzCLA45AMG-AutoTalent.jpg?v=1584669824"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w204-c320-2008-2014","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz W204 C320 2008-2011","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp style=\"font-weight: 400;\"\u003e\u003cspan\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's. RennTech experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with smooth torque delivery and performance throughout the entire powerband. This also allows the user to compensate for fuel quality and places of extreme climate or to adjust for higher octane fuels and the added performance of racing blends.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e\u003cspan\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire powerband. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbocharged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncreasing performance from 230 HP and 389 lb\/ft torque up to 253 HP and 464 lb\/ft\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGains: +23HP \u0026amp; 75TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEcu Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eStock Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e230 HP \/ 389 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eModified Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e253 HP \/ 464 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e   \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2008\u003cspan\u003e Mercedes-Benz W204 C320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2009\u003cspan\u003e Mercedes-Benz W204 C320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2010\u003cspan\u003e Mercedes-Benz W204 C320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz W204 C320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz W204 C320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz W204 C320 CDI \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eW204 C320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30701332070536,"sku":"54.204.C320CDI","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_51f64f49-f0df-4cb8-8189-f4048f01b565.jpg?v=1583623875"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w204-c350-2008-2014","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz W204 C350 2008-2011","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech has been at the forefront of Ecu tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary Ecu upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncreasing performance from 268 HP and \u003cspan\u003e258 \u003c\/span\u003elb\/ft torque up to \u003cspan\u003e290 \u003c\/span\u003eHP and \u003cspan\u003e278 \u003c\/span\u003elb\/ft\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGains: +22HP \u0026amp; 20TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMake installation simple\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncrease performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEcu Upgradation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eStock Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e268 HP @ 6000 RPM; 258 LB-FT @ 2400-5000 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan\u003eModified Performance\u003c\/span\u003e:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e290 HP @ 6000 RPM; 278 LB-FT @ 2400-5000 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e   \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2008\u003cspan\u003e Mercedes-Benz W204 C350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2009\u003cspan\u003e Mercedes-Benz W204 C350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2010\u003cspan\u003e Mercedes-Benz W204 C350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz W204 C350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz W204 C350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz W204 C350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eW204 C350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30701610926216,"sku":"ECU:54.204.C350","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_c2b75503-1350-419f-b44e-92c6f802b0ab.jpg?v=1583623800"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w205-c400-2015-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz W205 C400 2014-2018","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003eproprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. RennTech ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech has been at the forefront of Ecu tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary Ecu upgrade offers incredible performance gains and rock solid daily driver reliability. RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+63HP \u0026amp; +79TQ\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz W205 C 400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz W205 C 400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz W205 C 400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz W205 C 400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz W205 C 400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30701851934856,"sku":"54.205w.C400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_3f135f60-5e92-4019-9c91-4f4026b1857e.jpg?v=1583047073"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w205-c450-2015-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz W205 C450 2015-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 384 lb\/ft torque, up to an astonishing 402 HP and 454 lb\/ft at the crank.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eRennTech has been at the forefront of Ecu tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary Ecu upgrade offers incredible performance gains and rock solid daily driver reliability. RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+40HP \u0026amp; +70TQ\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e362 hp @ 5,500-6,000 RPM; 384 lb-ft @ 2,000-4,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e402 hp @ 5,300 RPM; 454 lb-ft @ 3,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz W205 C450  \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz W205 C450 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz W205 C450 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz W205 C450  \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz W205 C450 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30701875593352,"sku":"54.205W.C450BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_1c39427d-6e83-4b17-93ed-4a8fa07e8aa0.jpg?v=1583047222"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w205-c43-amg-2015-2019","title":"RennTech Performance Ecu Plus Upgrade For Mercedes-Benz W205 C43 AMG 2015-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the RennTech ECU Plus Upgrade the W205 - C 43 AMG Sedan gains up to +41 HP and +62 LB-FT, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Plus Upgrade for the W205 - C 43 AMG Sedan is 416 HP and 460 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttentions:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+41 HP and +62 LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e362 HP @ 5,500-6,000 RPM; 384 LB-FT @ 2,000-4,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003e375 HP @ 5,600 RPM; 398 LB-FT @ 3,300-3,600 RPM\u003c\/span\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e416 HP @ 5,450 RPM; 460 LB-FT @ 3,250-3,600 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/renntech_m276-43amg_ecu_4matic_large.jpg?v=1571157108\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30754210906248,"sku":"54.205W.C43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger.jpg?v=1583048972"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w205-c43-amg-2015-2020","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz W205 C43 AMG 2015-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\nWith the RennTech ECU Upgrade the W205 - C 43 AMG Sedan gains up to +25 HP and +42 LB-FT, based on power numbers measured by RennTech. Please note that the Mercedes M276 engine performance when measured obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Upgrade for the W205 - C 43 AMG Sedan is 400 HP and 440 LB-FT.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttentions:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+25 HP and +42 LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e362 HP @ 5,500-6,000 RPM; 384 LB-FT @ 2,000-4,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003e375 HP @ 5,600 RPM; 398 LB-FT @ 3,300-3,600 RPM\u003c\/span\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e400 HP @ 5,450 RPM; 440 LB-FT @ 3,250-3,600 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e \u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz W205 C43 AMG Sedan \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30754228732040,"sku":"54.205W.C43BI","price":1980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_2fcabd6d-8ed3-4f36-84aa-98d76c54de55.jpg?v=1583623341"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w205-c43-amg-2015-2021","title":"RennTech Performance Ecu Plus Upgrade For Mercedes-Benz C205 C43 AMG 2015-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the RennTech ECU Plus Upgrade the W205 - C 43 AMG \u003cspan\u003eCoupe \u003c\/span\u003egains up to +41 HP and +62 LB-FT, based on power numbers measured by \u003cspan\u003eRennTech\u003c\/span\u003e. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Plus Upgrade for the W205 - C 43 AMG \u003cspan\u003eCoupe \u003c\/span\u003eis 416 HP and 460 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttentions:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+41 HP and +62 LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e362 HP @ 5,500-6,000 RPM; 384 LB-FT @ 2,000-4,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003e375 HP @ 5,600 RPM; 398 LB-FT @ 3,300-3,600 RPM\u003c\/span\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e416 HP @ 5,450 RPM; 460 LB-FT @ 3,250-3,600 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/renntech_m276-43amg_ecu_4matic_large.jpg?v=1571157108\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30754323890312,"sku":"54.205C.C43BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_92a528cd-ca19-48d7-9fc2-f49ec31b5e6a.jpg?v=1583050130"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w205-c43-amg-2015-2022","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C205 C43 AMG 2015-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\nWith the RennTech ECU Upgrade the W205 - C 43 AMG Coupe gains up to +25 HP and +42 LB-FT, based on power numbers measured by RennTech. Please note that the Mercedes M276 engine performance when measured obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Upgrade for the W205 - C 43 AMG \u003cspan\u003eCoupe \u003c\/span\u003eis 400 HP and 440 LB-FT.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttentions:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+25 HP and +42 LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e362 HP @ 5,500-6,000 RPM; 384 LB-FT @ 2,000-4,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003e375 HP @ 5,600 RPM; 398 LB-FT @ 3,300-3,600 RPM\u003c\/span\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e400 HP @ 5,450 RPM; 440 LB-FT @ 3,250-3,600 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e \u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C205 C43 AMG Coupe \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30754328936584,"sku":"54.205C.C43BI","price":1980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_fcd88cbe-0658-4279-84ad-253ac4f04cd0.jpg?v=1583050434"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls550-2011-2014","title":"RennTech Performance ECU Plus Upgrade For Mercedes-Benz C218 CLS550 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. With the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RennTech boosts the 550-Series to AMG Power Levels. The RennTech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank.\u003c\/p\u003e\n\u003cp\u003eCompared to power numbers by Mercedes-Benz, the CLS 550 gains up to 105 HP and 262 LB-FT. This Software update delivers up to 10 HP and 99 LB-FT more than the previous version. The vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles. All this without sacrificing around town comfort and daily driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttentions:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech. Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to\u003cspan\u003e +105HP \/ +262LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e402 HP @ 5,500rpm; 443 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e435 HP @ 5,500rpm; 443 LB-FT @2,800-3,900rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e540 HP @ 5,500rpm; 705 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_c218_cls550_rwd_ECU_Only_web_large.jpg?v=1571166200\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz C218 CLS 550 BiTurbo\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz C218 CLS 550 BiTurbo\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz C218 CLS 550 BiTurbo\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz C218 CLS 550 BiTurbo\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30754380284040,"sku":"54.218.CLS550BT","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_6671d776-b1af-4e43-9c7a-edb9abbe16d0.jpg?v=1583050843"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls550-2011-2015","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C218 CLS550 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\nWith the RennTech ECU Upgrade the W205 - C 43 AMG Coupe gains up to +25 HP and +42 LB-FT, based on power numbers measured by RennTech. Please note that the Mercedes M276 engine performance when measured obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Upgrade for the W205 - C 43 AMG \u003cspan\u003eCoupe \u003c\/span\u003eis 400 HP and 440 LB-FT.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttentions:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eMercedes M276 engine performance when measured, obtains higher numbers than rated from factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated with stock numbers measured by RENNtech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eOur numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Package\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+45HP \/ +162HP\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e402 HP @ 5,500rpm; 443 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e435 HP @ 5,500rpm; 443 LB-FT @2,800-3,900rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e480 HP @ 5,500rpm; 605 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e \u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30754395357320,"sku":"54.218.CLS550BI","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_46135325-ebdd-473e-ac36-11827296e292.jpg?v=1583052195"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls63-amg-2012-2013","title":"RennTech Performance Ecu Plus Upgrade For Mercedes-Benz C218 CLS63 AMG 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/tROguV9gQ7U\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech proprietary ECU+ upgrade for the Mercedes M157 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 556 HP and 544 lb\/ft torque, up to an astonishing 669 HP and 734 lb\/ft at the crank! This allows the CLS63 AMG to run the quarter mile on D.O.T. street tires in an impressive 11.3 seconds at 125 mph with 0-60 mph coming in a mere 3.4 seconds.\u003c\/p\u003e\n\u003cp\u003eEquipped with drag radials on the CLS we were able to achieve an even more impressive quarter mile time. The CLS was able to rocket down the drag strip; clocking a quarter mile time of 10.9 seconds @ 129 mph with 0-60 mph coming in 3.2 seconds!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+119HP \/ +190TQ\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e518 HP @ 5,500rpm; 520 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e550 HP @ 5,500rpm; 544 LB-FT @2,800-3,900rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e669 HP @ 5,500rpm; 734 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/1338_large.jpg?v=1571325334\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz C218 CLS63 AMG \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz C218 CLS63 AMG \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30758560989320,"sku":"ECU:54.218.CLS63BT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_b68766ea-6c3c-4ab7-ae89-3f14212a7254.jpg?v=1583056937"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls63-amg-2012-2014","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C218 CLS63 AMG 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/tROguV9gQ7U\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate ECU tune increases performance from 556 HP and 550 lb\/ft torque up to 624 HP and 680 lb\/ft at the crank! This is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+88HP \/ +151TQ\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e518 HP @ 5,500rpm; 520 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e550 HP @ 5,500rpm; 544 LB-FT @2,800-3,900rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e638 HP @ 5,500rpm; 695LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/1338_large.jpg?v=1571325334\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz C218 CLS63 AMG \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz C218 CLS63 AMG \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30758570393736,"sku":"54.218.CLS63BI","price":2850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_21f19920-d78b-4825-a73b-e51fabd17506.jpg?v=1583057011"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls550-2015-2019","title":"RennTech Performance Ecu Plus Upgrade For Mercedes-Benz C218 CLS550 2011-2018","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. With the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RennTech boosts the 550-Series to AMG Power Levels. The RennTech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank.\u003c\/p\u003e\n\u003cp\u003eCompared to power numbers by Mercedes-Benz, the CLS 550 gains up to 105 HP and 262 LB-FT. This Software update delivers up to 10 HP and 99 LB-FT more than the previous version. The vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles. All this without sacrificing around town comfort and daily driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+105HP \/ +262LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e402 HP @ 5,500rpm; 443 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e435 HP @ 5,500rpm; 443 LB-FT @2,800-3,900rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e540 HP @ 5,500rpm; 705 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003cli\u003e448whp @ 5,500rpm; 585wtq @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_c218_cls550_4MATIC_ECU_Only_web_large.jpg?v=1571408863\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz C218 CLS550\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e \u003c\/span\u003eCLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e \u003c\/span\u003eCLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e \u003c\/span\u003eCLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30760713420936,"sku":"54.218.CLS550BT.FL","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_64cf6ce4-6c9f-4311-9913-f97da315c8d9.jpg?v=1583050509"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls550-2015-2020","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C218 CLS550 2011-2018","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate ECU tune increases performance from 402 HP and 443 lb\/ft torque up to 480 HP and 605 lb\/ft at the crank! This is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+45HP \/ 162Lb-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e402 HP @ 5,500rpm; 443 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e435 HP @ 5,500rpm; 443 LB-FT @2,800-3,900rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e480 HP @ 5,500rpm; 605 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e398whp @ 5,500rpm; 502wtq @ 3,700rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_c218_cls550_4MATIC_ECU_Only_web_large.jpg?v=1571408863\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz C218 CLS550\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz C218 CLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e \u003c\/span\u003eCLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e \u003c\/span\u003eCLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e \u003c\/span\u003eCLS550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30760724988040,"sku":"54.218.CLS550BI.FL","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_97e2508b-a513-4683-9fa4-217cd0560294.jpg?v=1583050604"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c218-cls400-2015-2019","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C218 CLS400 2014-2018","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate ECU tune increases performance from \u003cspan\u003e329 HP and 354 lb\/ft torque, up to an astonishing 392 HP and 432 lb\/ft at the crank.\u003c\/span\u003e This is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+45HP \/ 162Lb-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e329 hp @ 5,250-6,000 RPM; 354 lb-ft @ 1,600-4,000 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e392 hp @ 5,800 RPM; 432 lb-ft @ 3,110 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz C218 CLS400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz C218 CLS400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e CLS400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e CLS400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C218\u003cspan\u003e CLS400 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30760852029576,"sku":"54.218.CLS400BT","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_07ce6da2-8156-4f53-80e0-52ae91567ec4.jpg?v=1583051332"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c209-clk350-2004-2010","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C209 CLK350 2004-2010","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003ehas been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003etuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, \u003cspan\u003eRennTech \u003c\/span\u003eperformance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+22HP \u0026amp; 20TQ\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e268 HP @ 6000 RPM; 258 LB-FT @ 2400-5000 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e290 HP @ 6000 RPM; 278 LB-FT @ 2400-5000 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2004\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC209 CLK350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2005\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC209 CLK350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003e2006 Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC209 CLK350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003e2007 Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC209 CLK350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003e2008 Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eC209 \u003c\/span\u003eCLK350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003e2009 Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eC209 \u003c\/span\u003eCLK350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003e2010 Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eC209 \u003c\/span\u003eCLK350\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30760925757576,"sku":"54.209.CLK350","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C207_E_350_-_AutoTalent_e50417b6-7928-47c5-a4a7-28918262b88e.jpg?v=1583624831"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c209-clk500-2004-2010","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz C209 CLK500 2002-2006","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+18HP \u0026amp; +16TQ.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e302 HP @ 5600 RPM; 339 LB-FT @ 2700-4250 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e320 HP @ 5600 RPM; 355 LB-FT @ 3000-4600 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2004\u003cspan\u003e Mercedes-Benz C209 CLK500 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2005\u003cspan\u003e Mercedes-Benz C209 CLK500 \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2007\u003cspan\u003e Mercedes-Benz C209 \u003cspan\u003eCLK500 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2008\u003cspan\u003e Mercedes-Benz C209 \u003cspan\u003eCLK500 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2009\u003cspan\u003e Mercedes-Benz C209 \u003cspan\u003eCLK500 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2010\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC209 \u003cspan\u003eCLK500 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30761045229704,"sku":"54.209.CLK500","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_016675bf-e48b-4017-84f7-5cd16e9cb790.jpg?v=1583051702"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-w213-e63-amg-s-2018-2019","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz W213 E63 AMG S 2018-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RennTech ECU Tuning the W213 - E63 AMG S 4MATIC+ gains up to +82 HP and +81LB-FT, based on power numbers measured by RennTech . Please note that the Mercedes M177 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade for the E63 AMG S 4MATIC+ is 773 HP and 778 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+82 HP \u0026amp; +84 LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e603 HP @ 5,750-6,500rpm; 627 LB-FT @ 2,500-4,500rpm\u003c\/li\u003e\n\u003cli\u003e685 HP @ 5,750-6,500rpm; 667 LB-FT @ 2,500-4,500rpm\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e691 HP @ 6,200rpm; 694 LB-FT @ 3,400rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e773 HP @ 5,600rpm; 778 LB-FT @ 4,400rpm\u003c\/li\u003e\n\u003cli\u003e665 whp @ 5,600rpm; 668 wtq @ 4,400rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_213-E63S_ECU__web_large.jpg?v=1571495639\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz W213 E63 AMG S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz W213 E63 AMG S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30889756426376,"sku":"54.213W.E63BT","price":3480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceEcuUpgradeForMercedes-BenzGL550-AutoTalent.jpg?v=1583888464"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c190-amg-gt-r-2018-2019","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz C190 AMG GT R 2018-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, RennTech performance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RennTech ECU Tuning the C190 AMG GT R gains up to +50 HP and +73 LB-FT, based on power numbers measured by RennTech . Please note that the Mercedes M178 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Upgrade for the AMG GT R is 659 HP and 614 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 12% Drivetrain loss on 4MATIC vehicles\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M178 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+50HP \u0026amp; +73LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e577 HP @ 6,250rpm; 516 LB-FT @ 1,900-5,000rpm\u003c\/li\u003e\n\u003cli\u003e609 HP @ 6,500rpm; 541 LB-FT @ 3,950rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e659 HP @ 6,150rpm; 614 LB-FT @ 4,450rpm\u003c\/li\u003e\n\u003cli\u003e580 whp @ 6,800rpm; 540 wtq @ 5,600rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_C190-GT_R_ECU_web_large.jpg?v=1571504645\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C190 AMG GT R\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C190 AMG GT R\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30889846931592,"sku":"54.190.GTR","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_3024e237-febd-4921-afb4-f34bc6a8c5ea.jpg?v=1583053186"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c190-amg-gt-2016-2017","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz C190 AMG GT 2016-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, \u003cspan\u003eRennTech \u003c\/span\u003eperformance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RennTech ECU Tuning the C190 AMG GT gains up to +95 HP and +131 LB-FT, based on power numbers measured by RennTech. Please note that the Mercedes M178 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Upgrade for the AMG GT is 601 HP and 582 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 12% Drivetrain loss on the AMG GT\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M178 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGains up to \u003cspan\u003e+95HP \u0026amp; +131LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e456 HP @ 6,000rpm; 442 LB-FT @ 1,600-5,000rpm\u003c\/li\u003e\n\u003cli\u003e506 HP @ 5,950rpm; 451 LB-FT @ 3,850-5,400rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e601 HP @ 6,800rpm; 582 LB-FT @ 5,600rpm\u003c\/li\u003e\n\u003cli\u003e529 whp @ 6,800rpm; 512 wtq @ 5,600rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_C190-GT_PFL_ECU__web_large.jpg?v=1571668427\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz C190 AMG GT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz C190 AMG GT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30893772963976,"sku":"54.190.GT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_5a552bb1-67ae-4763-9d11-a8f134a65dd3.jpg?v=1583053997"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c190-amg-gt-s-2015-2017","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz C190 AMG GT S 2015-2020","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/cFezkjlCpsY\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, \u003cspan\u003eRennTech \u003c\/span\u003eperformance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RENNtech ECU Tuning the C190 AMG GT S gains up to +65 HP and +87 LB-FT, based on power numbers measured by RENNtech. Please note that the Mercedes M178 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade fot the AMG GT-S is 601 HP and 582 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 12% Drivetrain loss on the AMG GT S\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M178 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGains: +65HP \u0026amp; +87LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e503 HP @ 6,250rpm; 479 LB-FT @ 1,750-4,750rpm\u003c\/li\u003e\n\u003cli\u003e536 HP @ 6,250rpm; 495 LB-FT @ 3,850-5,400rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e601 HP @ 6,800rpm; 582 LB-FT @ 5,600rpm\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e529 whp @ 6,800rpm; 512 wtq @ 5,600rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_C190-GT_S_ECU__web_480x480.jpg?v=1571678673\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz C190 AMG GT S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz C190 AMG GT S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz C190 AMG GT S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30894249050248,"sku":"54.190.GTS","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_47a2dbad-be04-4926-b5ca-37bf96dcba71.jpg?v=1583055437"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c190-amg-gt-2018-2019","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz C190 AMG GT 2016-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, \u003cspan\u003eRennTech \u003c\/span\u003eperformance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RennTech ECU Tuning the C190 AMG GT gains up to +95 HP and +115 LB-FT, based on power numbers measured by RennTech. Please note that the Mercedes M178 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RennTech ECU Upgrade for the AMG GT is 601 HP and 582 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 12% Drivetrain loss on the AMG GT\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M178 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +95HP \u0026amp; +115LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e469 HP @ 6,000rpm; 465 LB-FT @ 1,600-5,000rpm\u003c\/li\u003e\n\u003cli\u003e506 HP @ 5,950rpm; 467 LB-FT @ 3,850-5,400rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e601 HP @ 6,800rpm; 582 LB-FT @ 5,600rpm\u003c\/li\u003e\n\u003cli\u003e529 whp @ 6,800rpm; 512 wtq @ 5,600rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_C190-GT_FL_ECU__web_1_480x480.jpg?v=1571684865\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C190 AMG GT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C190 AMG GT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30894490583176,"sku":"54.190.GT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_1a701cb5-a1e3-4f05-8d62-c01f0cd4403f.jpg?v=1583055783"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-320-x164-2007-2012","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz X164 GL 320 CDI 2007-2012","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech tuner allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003ehas been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003etuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eGains: +23 HP \/ +75 LB-FT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e230 HP \/ 389 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e253 HP \/ 464 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2007\u003cspan\u003e Mercedes-Benz X164 GL 320 CDI \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2008\u003cspan\u003e Mercedes-Benz X164 GL 320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2009\u003cspan\u003e Mercedes-Benz X164 GL 320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2010\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 320 CDI\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30894575255688,"sku":"54.164.GL320CDI","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceECUUpgradeForMercedes-BenzC207E350-AutoTalent_8d512c2b-cfe8-4683-812c-7ac410c9b1fa.jpg?v=1583885808"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-350-x164-2007-2012","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz X164 GL 350 2007-2012","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers incredible performance gains and rock solid daily driver reliability. Provides significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eGains: +23 HP \/ +75 LB-FT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e230 HP \/ 389 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e253 HP \/ 464 LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2007\u003cspan\u003e Mercedes-Benz X164 GL 350 BlueTech\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2008\u003cspan\u003e Mercedes-Benz X164 GL 350 BlueTech\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2009\u003cspan\u003e Mercedes-Benz X164 GL 35\u003c\/span\u003e\u003c\/span\u003e0 BlueTech\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2010\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 350 BlueTech\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 350 BlueTech\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 350 BlueTech\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30894700167304,"sku":"54.164.GL350BLUE","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceECUUpgradeForMercedes-BenzC207E350-AutoTalent_f27f003b-02d1-4faf-adc5-cb91cf88b260.jpg?v=1584254093"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-550-x164-2007-2012","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz GL 550 X164 2007-2012","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech has inspired some of the most advanced software upgrades on the market today. RennTech customers experience improved throttle response, more aggressive transmission shift patterns, increased speeds, and (of course) more power. Designed to optimize every aspect of a vehicles performance, increasing low-end torque for better off-the-line performance and enhancing fuel economy in some applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eGains: \u003cspan\u003e+20 HP \/ + 14 TQ\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e382 HP @ 6000 RPM; 391 LB-FT @ 2800-4800 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e402 HP @ 6000 RPM; 405 LB-FT @ 2800 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2007\u003cspan\u003e Mercedes-Benz X164 GL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2008\u003cspan\u003e Mercedes-Benz X164 GL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2009\u003cspan\u003e Mercedes-Benz X164 GL 55\u003c\/span\u003e\u003c\/span\u003e0\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2010\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz X164\u003cspan\u003e \u003c\/span\u003eGL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30894749188232,"sku":"54.164.GL550","price":1490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceECUUpgradeForMercedes-BenzC207E350-AutoTalent_81ed53da-61d9-40cf-9db7-805777b38ba7.jpg?v=1584232337"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-450-x166-2013-2015","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz GL 450 X166 2013-2015","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. \u003cspan\u003eRennTech \u003c\/span\u003eproprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003eproprietary ECU upgrade for the Mercedes M278 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. \u003cspan\u003eRennTech \u003c\/span\u003eECU tune offers huge performance gains; increasing performance from 362 HP and 406 lb\/ft torque, to an astonishing 501 HP and 576 lb\/ft at the crank! This allows the M278 engine to run the quarter mile in an impressive time and dramatically improves 0-60 mph times.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eMercedes M278 engine performance when measured obtains higher numbers that rated from factory.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProvides ability to switch between tuned and stock ECU programming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eGains:\u003cspan\u003e+139HP \/ +170 LB-FT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e362 HP @ 5,250 RPM; 406 LB-FT @ 1,800 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e501 HP @ 4900 RPM; 576 LB-FT @ 4100 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz X166\u003cspan\u003e \u003c\/span\u003eGL 450 Biturbo V8 M278\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz X166\u003cspan\u003e \u003c\/span\u003eGL\u003cspan\u003e \u003c\/span\u003e450 Biturbo V8 M278\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz X166\u003cspan\u003e \u003c\/span\u003eGL\u003cspan\u003e \u003c\/span\u003e450 Biturbo V8 M278\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896015147144,"sku":"54.166.GL450BT.V8","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceIntermediateECUUpgradeForMercedes-BenzC217S63AMGBiTurbo-AutoTalent_52c51fb9-67fb-4885-8c69-03e8ebfea866.jpg?v=1583873197"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c190-amg-gt-s-2018-2019","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz C190 AMG GT S 2018-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, \u003cspan\u003eRennTech \u003c\/span\u003eperformance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RennTech ECU Tuning the C190 AMG GT S gains up to +65 HP and +87 LB-FT, based on power numbers measured by RENNtech. Please note that the Mercedes M178 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade fot the AMG GT-S is 601 HP and 582 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 12% Drivetrain loss on the AMG GT\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M178 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +65HP \u0026amp; +87LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e515 HP @ 6,250rpm; 494 LB-FT @ 1,750-4,750rpm\u003c\/li\u003e\n\u003cli\u003e536 HP @ 6,250rpm; 495 LB-FT @ 3,850-5,400rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e601 HP @ 6,800rpm; 582 LB-FT @ 5,600rpm\u003c\/li\u003e\n\u003cli\u003e529 whp @ 6,800rpm; 512 wtq @ 5,600rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_C190-GT_S_ECU__web_480x480.jpg?v=1571678673\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C190 AMG GT S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C190 AMG GT S\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896141729928,"sku":"54.190.GTS","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_9681c7ef-4d81-41e9-97df-8ca17c51c5b0.jpg?v=1583058117"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-450-amg-x166-2013-2015","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz GL 450 X166 2015","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. \u003cspan\u003eRennTech \u003c\/span\u003eproprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003eproprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. \u003cspan\u003eRennTech \u003c\/span\u003eECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 384 lb\/ft torque, up to an astonishing 402 HP and 454 lb\/ft at the crank.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eMercedes M276 engine performance when measured obtains higher numbers that rated from factory.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProvides ability to switch between tuned and stock ECU programming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e362 hp @ 5,500-6,000 RPM; 384 lb-ft @ 1,800-4,000 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e402 hp @ 5,300 RPM; 454 lb-ft @ 3,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2015\u003cspan\u003e Mercedes-Benz X166\u003cspan\u003e \u003c\/span\u003eGL\u003cspan\u003e \u003c\/span\u003e450 Biturbo 3.0L V6 M276\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896154542216,"sku":"54.166.GL450BT.V6","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceIntermediateECUUpgradeForMercedes-BenzC217S63AMGBiTurbo-AutoTalent_20122e57-bae3-44bc-8247-f661ad3960f2.jpg?v=1584490480"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c190-amg-gt-c-2018-2019","title":"RennTech Performance Ecu+ Upgrade For Mercedes-Benz C190 AMG GT C 2016-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in-house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eRennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles, \u003cspan\u003eRennTech \u003c\/span\u003eperformance software unleashes the true potential of your Mercedes.\u003c\/p\u003e\n\u003cp\u003eWith the proprietary RennTech ECU Tuning the C190 AMG GT C gains up to +84 HP and +93 LB-FT, based on power numbers measured by RENNtech. Please note that the Mercedes M178 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Upgrade fot the AMG GT C is 659 HP and 614 LB-FT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003ePower gains are calculated based on stock numbers measured by RennTech\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eCrank Performance Numbers are calculated with a 12% Drivetrain loss on the AMG GT\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eWe have found the M178 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +84HP \u0026amp; +93LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e550 HP @ 6,250rpm; 502 LB-FT @ 1,750-4,750rpm\u003c\/li\u003e\n\u003cli\u003e575 HP @ 6,250rpm; 521 LB-FT @ 3,850-5,400rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e659 HP @ 6,150rpm; 614 LB-FT @ 4,450rpm\u003c\/li\u003e\n\u003cli\u003e580 whp @ 6,150rpm; 540 wtq @ 4,450rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_C190-GT_C_ECU_web_480x480.jpg?v=1571763815\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz C190 AMG GT C\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz C190 AMG GT C\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896189505672,"sku":"54.190.GTC","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_ECU_Upgrade_For_Mercedes-Benz_C63S_AMG_-_AutoTalent_2698d813-d92c-4114-b1f2-05273469c4e3.jpg?v=1583058245"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-550-x166-2013-2015","title":"RennTech Performance Ecu + Upgrade For Mercedes-Benz GL 550 X166 2013-2019","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!Our proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eOur proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.With the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RENNtech boosts the 550-Series to AMG Power Levels. The RennTech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank.\u003c\/p\u003e\n\u003cp\u003eCompared to power numbers by Mercedes-Benz, the GL 550 gains up to 92 HP and 167 LB-FT. This Software update delivers up to 10 HP and 99 LB-FT more than the previous version.The vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles. All this without sacrificing around town comfort and daily driver reliability.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003eWe have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.Power gains are calculated based on stock numbers measured by RennTech. Crank Performance Numbers are calculated with a 18% Drivetrain loss on 4MATIC SUVs.Our numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.Mercedes M278 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProvides ability to switch between tuned and stock ECU programming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGains: 92 HP and 167 LB-FT \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e429\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eHP @ 5,500rpm; \u003c\/span\u003e516\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eLB-FT @ 2,000-4,500rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e448\u003cstrong\u003e \u003c\/strong\u003eHP @ 5,500rpm; 538\u003cstrong\u003e \u003c\/strong\u003eLB-FT @2,800-3,900rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e540\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eHP @ 5,500rpm; \u003c\/span\u003e705\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eLB-FT @ 3,700rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2013 Mercedes-Benz GL 550 X166 BiTurbo 4MATIC  4.7L V8 M278\u003c\/li\u003e\n\u003cli\u003e2014\u003cspan\u003e \u003c\/span\u003eMercedes-Benz GL 550 X166 BiTurbo 4MATIC  4.7L V8 M278\u003c\/li\u003e\n\u003cli\u003e2015\u003cspan\u003e \u003c\/span\u003eMercedes-Benz GL 550 X166 BiTurbo 4MATIC  4.7L V8 M278\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896254812296,"sku":"54.166.GL550BT","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Ecu_Upgrade_For_Mercedes-Benz_GL_550_-_AutoTalent.jpg?v=1583526670"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-550-x166-2013-2016","title":"RennTech Performance Ecu Upgrade For Mercedes-Benz GL 550 X166 2013-2015","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eOur intermediate level RennTech ECU upgrade for the Mercedes still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune.\u003c\/p\u003e\n\u003cp\u003eThis is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns. \u003c\/p\u003e\n\u003cp\u003eOur intermediate ECU tune increases performance from 429 HP and 516 lb\/ft torque up to 480 HP and 605 lb\/ft at the crank! This is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003cp\u003eECU Tuning\u003cspan\u003e, also called \u003c\/span\u003eChip Tuning\u003cspan\u003e is a method of updating the \u003c\/span\u003eelectronic control units\u003cspan\u003e chip with higher performing software. Updating the \u003c\/span\u003eECU\u003cspan\u003e chips programming can raise horsepower, timing, fuel injection, electronic throttle control and valve timing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003eWe have found the stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.Power gains are calculated based on stock numbers measured by RennTech. Crank Performance Numbers are calculated with a 18% Drivetrain loss on 4MATIC SUVs.Our numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProvides ability to switch between tuned and stock ECU programming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e429\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eHP @ 5,500rpm; \u003c\/span\u003e516\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eLB-FT @ 2,000-4,500rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e448\u003cstrong\u003e \u003c\/strong\u003eHP @ 5,500rpm; 538\u003cstrong\u003e \u003c\/strong\u003eLB-FT @2,800-3,900rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e480\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eHP @ 5,500rpm; \u003c\/span\u003e605 \u003cspan\u003eLB-FT @ 3,700rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2013 Mercedes-Benz GL 550 X166 BiTurbo 4MATIC  4.7L V8\u003c\/li\u003e\n\u003cli\u003e2014\u003cspan\u003e \u003c\/span\u003eMercedes-Benz GL 550 X166 BiTurbo 4MATIC  4.7L V8\u003c\/li\u003e\n\u003cli\u003e2015\u003cspan\u003e \u003c\/span\u003eMercedes-Benz GL 550 X166 BiTurbo 4MATIC  4.7L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896280961160,"sku":"54.166.GL550BI","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_e2d95dcc-530a-4aa8-978b-34cdf19f286f.jpg?v=1583726561"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c197-sls-amg-2011-2014","title":"RennTech Performance ECU Upgrade For Mercedes-Benz C197 SLS AMG 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability..\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +30HP \u0026amp; +14TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 593HP and 495TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e563 HP @ 6800 RPM; 479 LB-FT @ 4750 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e593 HP @ 6800 RPM; 495 LB-FT @ 4750 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2011\u003cspan\u003e Mercedes-Benz C197 SLS AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz C197 SLS AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC197 SLS AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC197 SLS AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896383623304,"sku":"ECU-TU.54.197.SLS","price":2945.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_d96b0420-1afa-43a0-baf1-f540ed82952a.jpg?v=1583106653"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-gl-63-amg-x166-2013-2015","title":"RennTech Performance Ecu + Upgrade For Mercedes-Benz GL 63 AMG X166 2013-2015","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003eOur proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eRennTech M157 Biturbo ECU + Upgrades are TÜV approved!Our proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003eWe have found the M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.Power gains are calculated based on stock numbers measured by RennTech. Crank Performance Numbers are calculated with a 18% Drivetrain loss on SUVs.Our numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.Mercedes M157 engine performance when measured, obtains higher power numbers than rated from factory.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eProvides ability to switch between tuned and stock ECU programming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e550\u003cspan\u003e HP @ 5,500rpm; \u003c\/span\u003e560\u003cspan\u003e LB-FT @ 2,000-4,500rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e574 HP @ 5,500rpm; 623 LB-FT @2,800-3,900rpm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e669\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eHP @ 5,500rpm; \u003c\/span\u003e734\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003eLB-FT @ 3,700rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2013 Mercedes-Benz GL 63 AMG X166 BiTurbo V8 5.5L M157 SUV\u003c\/li\u003e\n\u003cli\u003e2014 Mercedes-Benz GL 63 AMG X166 BiTurbo V8 5.5L M157 SUV\u003c\/li\u003e\n\u003cli\u003e2015 Mercedes-Benz GL 63 AMG X166 BiTurbo V8 5.5L M257 SUV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896455286920,"sku":"ECU:54.166.GL63BT","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceIntermediateECUUpgradeForMercedes-BenzC217S63AMGBiTurbo-AutoTalent_b7f2b481-99cf-4666-b2e2-33f7494dcdac.jpg?v=1584379678"},{"product_id":"renntech-performance-intermediate-ecu-upgrade-for-mercedes-benz-gl-63-amg-x166-2013-2015","title":"RennTech Performance Intermediate Ecu Upgrade For Mercedes-Benz GL 63 AMG X166 2013-2015","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech M157 Biturbo ECU+ Upgrades are TÜV approved!Our proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.Our intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eThis is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns.This is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003eWe have found the M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.Power gains are calculated based on stock numbers measured by RENNtech. Crank Performance Numbers are calculated with a 18% Drivetrain loss on SUVs.Our numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.Mercedes M157 engine performance when measured, obtains higher power numbers than rated from factory\u003c\/span\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDaily driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e550\u003cspan\u003e HP @ 5,500rpm; \u003c\/span\u003e560\u003cspan\u003e LB-FT @ 2,000-4,500rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e574\u003cspan\u003e HP @ 5,500rpm; \u003c\/span\u003e623\u003cspan\u003e LB-FT @2,800-3,900rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified \u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e638 \u003cspan\u003eHP @ 5,500rpm; \u003c\/span\u003e695 \u003cspan\u003eLB-FT @ 3,700rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2013 Mercedes-Benz GL 63 AMG X166 BiTurbo V8 5.5L M157 SUV\u003c\/li\u003e\n\u003cli\u003e2014 Mercedes-Benz GL 63 AMG X166 BiTurbo V8 5.5L M157 SUV\u003c\/li\u003e\n\u003cli\u003e2015 Mercedes-Benz GL 63 AMG X166 BiTurbo V8 5.5L M157 SUV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30896463315080,"sku":"54.166.GL63BI","price":2850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTechPerformanceIntermediateECUUpgradeForMercedes-BenzC217S63AMGBiTurbo-AutoTalent_0e64fa12-1917-4e24-97c4-cc50966d823f.jpg?v=1584395158"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c197-sls-amg-gt-2012-2014","title":"RennTech Performance ECU Upgrade For Mercedes-Benz C197 SLS AMG GT 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +10HP \u0026amp; +14TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 593HP and 495TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e583 HP @ 6800 RPM; 479 LB-FT @ 4750 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e593 HP @ 6800 RPM; 495 LB-FT @ 4750 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2012\u003cspan\u003e Mercedes-Benz C197 SLS AMG GT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2013\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC197 SLS AMG GT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC197 SLS AMG GT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30899261472904,"sku":"ECU-TU.54.197.SLS","price":2945.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_22b51978-2977-42dc-84d5-300ad3445267.jpg?v=1583109222"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-c197-sls-black-series-2014","title":"RennTech Performance ECU Upgrade For Mercedes-Benz C197 SLS Black Series 2011-2014","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's. \u003cspan\u003eRennTech \u003c\/span\u003eexperience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +26HP \u0026amp; +22TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 697HP and 490TQ.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e631 HP @ 6800 RPM; 468 LB-FT @ 4750 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e657 HP @ 6800 RPM; 490 LB-FT @ 4750 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2014\u003cspan\u003e Mercedes-Benz\u003cspan\u003e \u003c\/span\u003eC197 SLS Black Series\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30899585974408,"sku":"54.197.SLSB","price":3495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_28fa696d-7905-4b08-b34b-80b3342cba2f.jpg?v=1583111064"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-r231-sl-450-amg-2016-2019","title":"RennTech Performance ECU Upgrade For Mercedes-Benz R231 SL 450 AMG 2016-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003eproprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. \u003cspan\u003eRennTech \u003c\/span\u003eECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 384 lb\/ft torque, up to an astonishing 402 HP and 454 lb\/ft at the crank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +40HP \u0026amp; +70TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 402HP and 454TQ.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e362 hp @ 5,500-6,000 RPM; 384 lb-ft @ 2,000-4,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e402 hp @ 5,300 RPM; 454 lb-ft @ 3,200 RPM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2016 Mercedes-Benz R231 SL 450 AMG\u003c\/li\u003e\n\u003cli\u003e2017 Mercedes-Benz R231 SL 450 AMG \u003c\/li\u003e\n\u003cli\u003e2018 Mercedes-Benz R231 SL 450 AMG \u003c\/li\u003e\n\u003cli\u003e2019 Mercedes-Benz R231 SL 450 AMG  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30899604127880,"sku":"ECU:54.231.SL450BT.FL","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_39962307-e69b-4772-addd-74f7d4098172.jpg?v=1583111406"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-r231-sl-550-amg-2016-2019","title":"RennTech Performance ECU Upgrade For Mercedes-Benz R231 SL 550 2016-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe width=\"853\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/tggsVQUn1JI\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's. Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eWith the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RennTech boosts the 550-Series to AMG Power Levels. The RennTech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank. Compared to power numbers by Mercedes-Benz, the SL 550 gains up to 66 HP and 139 LB-FT. This Software update delivers up to 10 HP and 99 LB-FT more than the previous version. The vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles. All this without sacrificing around town comfort and daily driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +26HP \/ +59LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 500HP \/ 625LB-FT.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e449 HP @ 5,500rpm; 516 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e474 HP @ 5,500rpm; 566 LB-FT @2,800-3,900rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e500 HP @ 5,500rpm; 625 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz\u003cspan\u003e R231 SL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eR231 SL 550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eR231 SL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eR231 SL 550\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30899644039304,"sku":"54.231.SL550BI.FL","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_073661ff-14f0-4eb6-ab65-8011c56e54ba.jpg?v=1583123783"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-r231-sl-550-amg-2016-2020","title":"RennTech Performance ECU+ Upgrade For Mercedes-Benz R231 SL 550 2016-2021","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe width=\"853\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/tggsVQUn1JI\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's. Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.\u003c\/p\u003e\n\u003cp\u003eWith the newest update of their Software Upgrade for the M278 – 4.7L V8 BiTurbo, RENNtech boosts the 550-Series to AMG Power Levels. The RennTech upgraded M278 now produces up to 540 HP and 705 LB-FT at crank. Compared to power numbers by Mercedes-Benz, the SL 550 gains up to 66 HP and 139 LB-FT. This Software update delivers up to 10 HP and 99 LB-FT more than the previous version. The vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles. All this without sacrificing around town comfort and daily driver reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eWe have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePower gains are calculated based on stock numbers measured by \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eRennTech Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eOur numbers will be dependent on conditions and fuel quality. 93+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eStates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGains: +66HP \/ +139LB-FT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eUp to \u003c\/span\u003e540HP \/ 705LB-FT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e449 HP @ 5,500rpm; 516 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e474 HP @ 5,500rpm; 566 LB-FT @2,800-3,900rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e540 HP @ 5,500rpm; 705 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz\u003cspan\u003e R231 SL 550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eR231 SL 550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eR231 SL 550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eR231 SL 550 \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30899658653832,"sku":"54.231.SL550BT.FL","price":2480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/RennTech_Performance_Intermediate_ECU_Upgrade_For_Mercedes-Benz_C217_S_63_AMG_BiTurbo_-_AutoTalent_16b7467d-98b8-4856-8ad1-09d9c2daa848.jpg?v=1583730221"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-r231-sl-63-amg","title":"RennTech Performance ECU Upgrade For Mercedes-Benz R231 SL 63 AMG","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.\u003c\/p\u003e\n\u003cp\u003eThe RennTech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air\/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RennTech performance software unleashes your Mercedes true potential.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns.\u003c\/p\u003e\n\u003cp\u003eRennTech intermediate ECU tune increases performance from 556 HP and 550 lb\/ft torque to 624 HP and 680 lb\/ft at the crank! This is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAttention:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eWe have found the M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. We typically see higher baseline numbers than claimed by the factory.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePower gains are calculated based on stock numbers measured by \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eRennTech Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWD vehicles.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eRennTech numbers will be dependent on conditions and fuel quality. 91+ Octane gasoline is mandatory with this Performance Upgrade.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eS\u003c\/span\u003e\u003cspan style=\"color: #ff2a00;\"\u003etates known for poor fuel quality have to be supplied with a lower power setup\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan\u003eGains:\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003csku\u003e\u003c\/sku\u003e\u003c\/span\u003e+33HP \/ +25TQ\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 638HP \/ 695TQ \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e577 HP @ 5,500rpm; 590 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e605 HP @ 5,500rpm; 646 LB-FT @2,800-3,900rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e638 HP @ 5,500rpm; 695LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003cli\u003e549 awhp @ 5,500rpm; 598 awtq @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_231_sl63_pfl_rwd_M157_ECU_480x480.jpg?v=1571930195\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30901897789576,"sku":"ECU:54.231.SL63BI.FL","price":2850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_91caf804-5ff7-431d-9766-cb74909a9f1d.jpg?v=1583124327"},{"product_id":"renntech-performance-ecu-upgrade-for-mercedes-benz-r231-sl-63-amg-1","title":"RennTech Performance ECU+ Upgrade For Mercedes-Benz R231 SL 63 AMG","description":"\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cp\u003eRennTech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal. RennTech proprietary tuning module stores both the RennTech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish. \u003cspan\u003eRennTech \u003c\/span\u003eHHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRennTech \u003c\/span\u003eproprietary tuning module stores both the \u003cspan\u003eRennTech \u003c\/span\u003etuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish. \u003cspan\u003eRennTech \u003c\/span\u003eM157 Biturbo ECU+ Upgrades are TÜV approved. \u003cspan\u003eRennTech \u003c\/span\u003eproprietary ECU+ upgrade for the Mercedes M157 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan\u003eGains:+65 HP \/ +55TQ\u003c\/span\u003e\u003c\/span\u003eQ\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting and driver reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains in horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreases the performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSignificant gains torque \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreasing the engine's rev limiter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIncredible performance gains\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 669HP \/ 734TQ\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStock Performance:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e577 HP @ 5,500rpm; 664 LB-FT @ 2,000-4,500rpm\u003c\/li\u003e\n\u003cli\u003e605 HP @ 5,500rpm; 669 LB-FT @2,800-3,900rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eModified Performance:\u003cbr\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e669 HP @ 5,500rpm; 734 LB-FT @ 3,700rpm\u003c\/li\u003e\n\u003cli\u003e575 awhp @ 5,500rpm; \u003cspan\u003e631 \u003c\/span\u003eawtq @ 3,700rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Graph:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/RENNtech_231_sl63_pfl_rwd_M157_ECU_480x480.jpg?v=1571930195\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eVehicle Fitment:\u003c\/span\u003e    \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2016\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019\u003cspan\u003e Mercedes-Benz R231 SL 63 AMG\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eImages are for representation purpose only and may differ depending on application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"RennTech","offers":[{"title":"Default Title","offer_id":30901908603016,"sku":"ECU:54.231.SL63BT.FL","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/products\/charger_34d7ae82-016e-4949-959c-a18315217a5e.jpg?v=1583124722"}],"url":"https:\/\/autotalent.com\/collections\/ecu-upgrade.oembed?page=7","provider":"AutoTalent","version":"1.0","type":"link"}