63 AMG 476hp Stage 1 tuning

The Mercedes-Benz GLC 63 AMG 476hp produces 476 hp and 700 Nm as standard. The YASTUNING Stage 1 remap file takes it to 570 hp and 820 Nm, a gain of +94 hp and +120 Nm. Engine code M177.980. ECU: Bosch MED17.7.5. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.