55 AMG 517hp Stage 1 tuning

The Mercedes-Benz SL 55 AMG 517hp produces 517 hp and 700 Nm as standard. The YASTUNING Stage 1 remap file takes it to 540 hp and 820 Nm, a gain of +23 hp and +120 Nm. Engine code M113 5.4L. ECU: Bosch ME2.8.1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.