Mercedes-AMG GLC 63 S (X253) ECU Tune — Power Figures

Factory output for the Mercedes-AMG GLC 63 S (X253) is 503 hp and 516 lb-ft (crank).Stock + RK-Tunes Tune raises it to 617 hp and 637 lb-ft, a gain of 114 hp and 121 lb-ft.High Flow Downpipe / Exhaust + RK-Tunes Tune raises it to 637 hp and 657 lb-ft, a gain of 134 hp and 141 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.