S 4.0 - 510hp Stage 1 tuning

The Mercedes-Benz GT S 4.0 - 510hp produces 510 hp and 650 Nm as standard. The YASTUNING Stage 1 remap file takes it to 560 hp and 800 Nm, a gain of +50 hp and +150 Nm. Engine code M178. ECU: Bosch MED17.7.5. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.