Mercedes-Benz S · W221 - 2005 - 2013
500 - 388hp Stage 1 tuning
The Mercedes-Benz S 500 - 388hp produces 388 hp and 530 Nm as standard. The YASTUNING Stage 1 remap file takes it to 408 hp and 570 Nm, a gain of +20 hp and +40 Nm. Engine code M278. ECU: Bosch ME9.7. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.
Power
388 hp
408 hp
+20 hp
Torque
530 Nm
570 Nm
+40 Nm
Engine specifications
- Engine code
- M278
- Fuel
- Petrol
- Displacement
- 5461 cc
- Compression
- 10.7 : 1
- Bore × Stroke
- 98.0 X 90.5 mm
- ECU
- Bosch ME9.7
- Method
- Chiptuning
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.
- Alientech K-TAG
- Alientech KESS3
- Alientech KESSv2
- Autotuner
- CMDFlash
- Flex
- New Genius