400 - 333hp Stage 1 tuning

The Mercedes-Benz CLS 400 - 333hp produces 333 hp and 480 Nm as standard. The YASTUNING Stage 1 remap file takes it to 400 hp and 580 Nm, a gain of +67 hp and +100 Nm. Engine code M276.850. ECU: Bosch MED17.7, Bosch MED17.7.3.1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.