RENNtech ECU Upgrade | ML 400 | X166 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 hsm

RENNtech ECU Upgrade | ML 400 | X166 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 hsmRENNtech ECU Upgrade for 166 ML 400 BiTurbo 4 MATIC. Up to 392HP and 432LB FT. Gains: +63HP & +78LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! RENNtech 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

Buyer Beware: There have been reported failures the stock Turbo’s in the Mercedes-AMG 53 series M256 -engine

AMG GT R Non-Pro Owners:

Sider Rocker Panels

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

In order to make the extractors fully functional

911 Sport Classic

C117 - CLA 45 AMG

DYNO tested Stock: 625 HP | 681 LB-FT

DBX Straight Six

W222 - S-Class Sedan S560 Sedan | MY2018+

2 x Remote Controls (Button 1 fully open

Range Rover (L322/LM) 2009 – 2012