Mercedes-Benz CLS · C257 - 2018 - 2020

450 (3.0T) 389hp Stage 1 tuning

The Mercedes-Benz CLS 450 (3.0T) 389hp produces 389 hp and 500 Nm as standard. The YASTUNING Stage 1 remap file takes it to 420 hp and 600 Nm, a gain of +31 hp and +100 Nm. Engine code M256. ECU: Bosch MG1CP002. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
389 hp 420 hp +31 hp
Torque
500 Nm 600 Nm +100 Nm

Engine specifications

Engine code
M256
Fuel
Petrol
Displacement
2999 cc
Compression
10.5 : 1
Bore × Stroke
83.0 X 92.4 mm
ECU
Bosch MG1CP002
Method
Chiptuning

Available options

Software options we can include with the Mercedes-Benz CLS 450 (3.0T) 389hp file on request.

Supported read methods

Tools known to read and write this ECU. Send the stock file from any of them and we return the tuned file in the same format.