Thanks for contacting us! We'll get back to you as soon as possible

Single red RennTech coil-over spring - ECU Upgrade for the 2016-2019 GLE 43 AMG SUV

}

RennTech ecu upgrade - ECU Upgrade for the 2016-2019 GLE 43 AMG SUV

}

RennTech ECU Upgrade 2016-2019 Mercedes-AMG GLE 43 SUV W166

Ask an expert

Brand: RennTechSKU / Part #: 54.166.GLE43BI

Regular price: $1,920.60
Regular price: ~~$1,980.00~~
Sale price: $1,920.60
Unit price: per

Apply at checkout

Subtotal: $1,920.60

Quantity:

RennTech ECU Upgrade 2016-2019 Mercedes-AMG GLE 43 SUV W166

Subtotal: $1,920.60

Not sure it fits? Text us your VINSee all fitment

Questions before you buy? Talk to a specialist.

Fitment and product questions · 9am–6pm Pacific

Call(310) 231-0292 Text(310) 886-3111 ChatLive chat

Price match: found it cheaper?
Secure checkout · Shop Pay · Affirm
AutoTalent since 2006

Free Shipping

Free standard shipping on orders over $99

Coupon Code on First Order

Price Match Guarantee

Free shipping on $99+ order

30-days Returns

Overview

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2016-2019 GLE 43 AMG SUV is the result of in-house dyno development on the 3.0L M276 twin-turbo V6. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the car pulls harder everywhere while staying a comfortable daily driver. RennTech rates the car at 400 hp and 440 lb-ft with this upgrade. That is a gain of 25 hp and 42 lb-ft.

Key details

The ECU upgrade takes the W166 GLE 43 to 400 hp and 440 lb-ft, gains of 25 hp and 42 lb-ft. It is CARB certified for all 50 states, and the hand-held tuner swaps between tuned and stock files without removing the ECU.

Watch it explained

Features

Revised ignition timing, throttle mapping, air-fuel ratios and boost control
Gains across the entire rev range, not just at peak
Developed on RennTech's own dyno and road tested
Keeps factory-like drivability and reliability for daily use

What is included

RennTech calibration for your car
Delivery as listed by RennTech for this model (HHT tuner or ECU flash)

Specs

Part number	54.166.GLE43BI
Engine	3.0L M276 twin-turbo V6
Rated output	400 hp / 440 lb-ft
Gain	+25 hp / +42 lb-ft

Fitment notes

Fitment is as listed by RennTech for this part number. Your VIN is required with the order.

Fitment

Make	Model	Chassis	Year	Engine
Mercedes-Benz	GLE 43 AMG SUV	W166	2016-2019	3.0L M276 twin-turbo V6

Fitment

Year	Make	Model
2016–2019	Mercedes-Benz	GLE43 AMG

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions