500 - 456hp Stage 1 tuning

The Mercedes-Benz SL 500 - 456hp produces 456 hp and 700 Nm as standard. The YASTUNING Stage 1 remap file takes it to 485 hp and 850 Nm, a gain of +29 hp and +150 Nm. Engine code M278.927. ECU: Bosch MED17.7.3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.