RENNtech ECU+ Upgrade | C190 | AMG GT Black Series | 843 HP / 739 LB-FT | 4.0L V8 BiTurbo | M178 bentley-continental-gtc--2019-present--4-0l-v8-tfsi-esr4309533 the engine throttle is increased

the engine throttle is increased to allow the engine to match the RPM of the lower gear and allows for significantly faster gear engagement

Power kW 435

Complete the look with a set of four exquisite tailpipes in titanium or carbon fibre

SL 65 (R231) Stock Performance:

RENNtech ECU+ Upgrade | C190 | AMG GT Black Series | 843 HP / 739 LB-FT | 4.0L V8 BiTurbo | M178 bentley-continental-gtc--2019-present--4-0l-v8-tfsi-esr4309533 the engine throttle is increasedECU+ Upgrade Up to 843 HP 739 LB FT Gains: +99 HP & +95 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. 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