Mercedes-AMG GT R / R PRO (C190 2020-21) ECU Tune — Power Figures

Factory output for the Mercedes-AMG GT R / R PRO (C190 2020-21) is 577 hp and 516 lb-ft (crank).Stock + RK-Tunes Tune raises it to 640 hp and 580 lb-ft, a gain of 63 hp and 64 lb-ft.High Flow Downpipe / Exhaust + RK-Tunes Tune raises it to 665 hp and 600 lb-ft, a gain of 88 hp and 84 lb-ft.This is a remote tune: we ship you the tuning cable, you plug it into the OBD port, and we flash the car by email. The ECU is not removed and the car stays with you.Figures are estimates at the crank; real-world results vary by vehicle condition, fuel and conditions.