RENNtech ECU+ Upgrade | C205 | C 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 suspension Gains: +27HP & +20LB-FT

Gains: +27HP & +20LB-FT

900rpm Note: Mercedes M278 engine performance when measured

RENNtech’s strut bar increases the torsional rigidity of the Mercedes-AMG W204 / C204 chassis

Gains: +99HP & +60TQ

RENNtech ECU+ Upgrade | C205 | C 43 AMG | Coupe | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 suspension Gains: +27HP & +20LB-FTThe 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.