500 - 421hp Stage 1 tuning

The Mercedes-Benz G 500 - 421hp produces 421 hp and 610 Nm as standard. The YASTUNING Stage 1 remap file takes it to 500 hp and 820 Nm, a gain of +79 hp and +210 Nm. Engine code M177. ECU: Bosch ME2.8, Bosch ME9.7, Bosch MED17.7.5. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.