500 V8 BiTurbo 435hp Stage 1 tuning

The Mercedes-Benz SL 500 V8 BiTurbo 435hp produces 435 hp and 700 Nm as standard. The YASTUNING Stage 1 remap file takes it to 550 hp and 850 Nm, a gain of +115 hp and +150 Nm. Engine code M278. ECU: Bosch MED17.7.3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.