RENNtech ECU+ Upgrade | C205 | C 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 our proprietary rear diffuser was

our proprietary rear diffuser was designed and engineered in-house

The pre-preg material is cut and hand laid into a mold to the proper thickness and cured in an autoclave at strictly controlled

Range Rover (L322/LM) 2009 - 2012

the CL 550 gains up to 92 HP and 167 LB-FT

RENNtech performance software unleashes your Mercedes true potential

RENNtech ECU+ Upgrade | C205 | C 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 our proprietary rear diffuser wasThe RENNtech ECU Plus Upgrade brings the C 43 AMG Coupe up to 416 HP and 460 LB FT Gains: +41 HP and +62 LB 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.