Black Series 4.0 Bi-Turbo 730hp Stage 1 tuning

The Mercedes-Benz GT Black Series 4.0 Bi-Turbo 730hp produces 730 hp and 800 Nm as standard. The YASTUNING Stage 1 remap file takes it to 790 hp and 1040 Nm, a gain of +60 hp and +240 Nm. Engine code M178. ECU: Bosch MED17.7.5. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.