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 Gains: +53HP & +67TQ

Gains: +53HP & +67TQ

Keeps Ice Longer Holds ice for up to 24 hours

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

RENNtech Performance Brake Package II for G-Wagon (W463)

improved handling performance

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 Gains: +53HP & +67TQECU+ 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