300 CGi 252hp Stage 1 tuning

The Mercedes-Benz E 300 CGi 252hp produces 252 hp and 340 Nm as standard. The YASTUNING Stage 1 remap file takes it to 310 hp and 389 Nm, a gain of +58 hp and +49 Nm. Engine code M276.952. ECU: Bosch ME9.7, Bosch MED17.7.3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.