RENNtech ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo porsche-macan---my2019---3-0-esr5934925 RENNtech is proud to introduce

RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz C-Class Sedan

Note: We have found the new M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

Maserati Ghibli S Q4 (M157) 2018+

our proprietary rear diffuser was designed and engineered in-house

RENNtech ECU HHT (HandHeldTuner) for the 220 - S 600

RENNtech ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo porsche-macan---my2019---3-0-esr5934925 RENNtech is proud to introduceECU+ Upgrade Up to 669HP 734LB FT Gains: +64HP & +108LB FT 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 file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can