MERCEDES · LH4.1 ECU

MERCEDES E LH4.1 tuning files

MERCEDES E on the LH4.1: matched, calibrated and delivered with care. Across the matched variants stock power runs from 210 to 300 HP. 2 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All E coverage

Available solutions

Applicable work for the LH4.1 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the MERCEDES E on the LH4.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 5000 300HP
Controller brand: BOSCH
ECU: LH4.1
Stock power: 300 HP

Variant 2

ECU

Catalog engine: 420 4200 210HP
Controller brand: BOSCH
ECU: LH4.1
Stock power: 210 HP

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 E 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 E 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.