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Description: RennTech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz S-Class. This highly integrated pre-preg carbon fiber spoiler compliments the sophisticated and refined S-Class exterior design language. The spoiler is coated inside and out with an all new acrylic...

Description: RennTech 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...

Description: RennTech 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...

Description: RennTech stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that keeps with the character of a luxury performance vehicle. RennTech Sport Mufflers are made out of T-304 stainless...

Description: RennTech 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...

Description: The RennTech Hand-Held Suspension Module (HSM) is designed to work with the W222 - S-Class Sedan, equipped with the Mercedes Airmatic and Magic Body Control Suspensions.The unit allows the user to have full control over all four corners of the vehicle’s suspension and adjust...

Description: RennTech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz S-Class. This highly integrated pre-preg carbon fiber spoiler compliments the sophisticated and refined S-Class exterior design language. The spoiler is coated inside and out with an all new acrylic...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech 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...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: The RennTech Hand-Held Suspension Module (HSM) is designed to work with the W222 - S-Class Sedan, equipped with the Mercedes Airmatic and Magic Body Control Suspensions.The unit allows the user to have full control over all four corners of the vehicle’s suspension and adjust...

Description: RennTech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz S-Class. This highly integrated pre-preg carbon fiber spoiler compliments the sophisticated and refined S-Class exterior design language. The spoiler is coated inside and out with an all new acrylic...

Description: RennTech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz S-Class. This highly integrated pre-preg carbon fiber spoiler compliments the sophisticated and refined S-Class exterior design language. The spoiler is coated inside and out with an all new acrylic...

Description: RennTech 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...

Description: The RennTech Hand-Held Suspension Module (HSM) is designed to work with the W222 - S-Class Sedan, equipped with the Mercedes Airmatic and Magic Body Control Suspensions.The unit allows the user to have full control over all four corners of the vehicle’s suspension and adjust...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech has developed this power packed yet stylistically subtle package specifically for the S550 sedan. RennTech achieved this with just a few modifications that make a vast improvement in the overall presence and performance of the S-Class in stock trim. The tasteful exterior upgrades start...

Description: RennTech 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...

Description: RennTech 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...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz S-Class. This highly integrated pre-preg carbon fiber spoiler compliments the sophisticated and refined S-Class exterior design language. The spoiler is coated inside and out with an all new acrylic...

Description: The RennTech R3 Performance Package is the perfect entry level performance upgrade for the S 65 AMG. The R3 performance package includes ECU tune, our higher efficiency intercooler pump kit with additional cooler, 3pc full carbon fiber air box and stainless steel performance mufflers,100% locking...

Description: The RennTech R2 Performance Package is the perfect entry level performance upgrade for the S 65 AMG. The R2 performance package is the next step up from our R1 performance package and includes our proprietary ECU tune, our higher efficiency intercooler pump kit with additional...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the S 65 AMG. The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased power, performance and throttle response across the entire powerband. The addition of...

Description: Simply explained, a differential is the last point between the engine and the wheels where power is transferred. The differential functions as a system to direct engine power at the wheels while allowing them to rotate at different speeds. By upgrading the differential,...

Description: The RennTech lock-up clutch upgrade uses a multi-element clutch upgrade with additional layer of friction material between the clutch plate, better friction material on the clutch face and a larger surface area of friction material to help control slippage. This allows for better heat...

Description: RennTech increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be...

Description: RennTech dual intercooler pump kit out performs any other unit on the market! RennTech upgrade replaces the OEM pump and includes an additional pump to allow maximum cooling efficiency and flow. Each individual pump flows over twice as much coolant as the problematic OEM pump...