Variant 1
ECU- Catalog engine
- 5500 518HP
- Controller brand
- BOSCH
- ECU
- MED17.7
- Stock power
- 518 HP
- ECU SW
- 1037515982
- ECU HW
- 0261s06498
- SW upgrade
- 1579030600
- Calibration
- 1579030600
MERCEDES · MED17.7 ECU · petrol
MERCEDES CLS MED17.7 tuning files
Everything we work with on the MERCEDES CLS fitted with the MED17.7. Stock output across the matched variants spans 408–518 HP. Petrol calibration here is about crisp response and a result that holds up day to day. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Applicable work for the MED17.7 on this petrol. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
4 distinct variants for the MERCEDES CLS on the MED17.7 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 4700 408HP
- Engine code
- M278KE55
- Controller brand
- BOSCH
- ECU
- MED17.7
- Stock power
- 408 HP
- ECU SW
- 2789023300
- ECU HW
- 0261S06498
- SW upgrade
- 2789030101
- Calibration
- 2789030101
Variant 3
ECU- Catalog engine
- 4700 408HP
- Controller brand
- BOSCH
- ECU
- MED17.7
- Stock power
- 408 HP
- SW upgrade
- 2789039700
- Calibration
- 2789039700
Variant 4
ECU- Catalog engine
- 4700 408HP
- Engine code
- M278KE55
- Controller brand
- BOSCH
- ECU
- MED17.7
- Stock power
- 408 HP
- ECU SW
- 2789023300
- ECU HW
- 0261S06498
- SW upgrade
- 2789032201
- Calibration
- 2789032201
Related vehicles
Other vehicles built on the MED17.7 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the MERCEDES CLS on the MED17.7?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the MED17.7 ECU software on this model?
Yes — the MERCEDES CLS on the MED17.7 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.