RENNtech ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo ferrari-599--2006-2011--esr8028475 CLS (C 218) 550 [2

CLS (C 218) 550 [2 Filters Required] (HP: 406 | Year: 10 > )

RENNtech T-Shirt

These parts were designed and engineered in house by RENNtech and are fully functional components that feature unmistakably unique styling for the SLS AMG

All RENNtech DLMs are adjustable via USB using either Windows or Android OS

Sportscars equipped with factory exhaust valves

RENNtech ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo ferrari-599--2006-2011--esr8028475 CLS (C 218) 550 [2ECU+ 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