RENNtech ECU+ Upgrade | X167 | GLS 63 S AMG EQ Boost | 745 HP / 767 LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023 mercedes-benz-c-class--205-coupe---2016-2023--c-450-esr8195367 CLASS G (W 463) 300

CLASS G (W 463) 300 Turbodiesel Torpedo (HP: 177 | Year: 97 > 01)

Crank Performance Numbers are calculated with a 16% Drivetrain loss for all wheel drive vehicles

and performance are all part of the equation as well

The link pipe set without a catalytic converter is made of titanium and requires reprogramming of the ECU

RENNtech ECU+ Upgrade | X167 | GLS 63 S AMG EQ Boost | 745 HP / 767 LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023 mercedes-benz-c-class--205-coupe---2016-2023--c-450-esr8195367 CLASS G (W 463) 300ECU+ Upgrade Up to 745HP 767 LB FT Gains: +97 HP & +54 LB FT RENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal! RENNtechs proprietary tuning module contains both the Tuned file as well as 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