Variant 1
ECU- Catalog engine
- 420 4200 218HP
- Controller brand
- BOSCH
- ECU
- LH4.1
- Stock power
- 218 HP
MERCEDES · LH4.1 ECU
MERCEDES CL LH4.1 tuning files
The MERCEDES CL on the LH4.1, mapped from stock file to finished result. Stock output across the matched variants spans 218–218 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Solutions that apply to the LH4.1 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
1 distinct variant for the MERCEDES CL on the LH4.1 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the LH4.1 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the MERCEDES CL on the LH4.1?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the LH4.1 ECU software on this model?
Yes — the MERCEDES CL on the LH4.1 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.