350i 272hp Stage 1 tuning

The Mercedes-Benz CLS 350i 272hp produces 272 hp and 350 Nm as standard. The YASTUNING Stage 1 remap file takes it to 292 hp and 375 Nm, a gain of +20 hp and +25 Nm. Engine code M272.964. ECU: Bosch ME9.7. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.