MERCEDES · SIM271 ECU · petrol

MERCEDES E SIM271 tuning files

MERCEDES E on the SIM271: matched, calibrated and delivered with care. Across the matched variants stock power runs from 184 to 204 HP. 4 distinct variants are catalogued here. Petrol calibration here is about crisp response and a result that holds up day to day. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All E coverage

Available solutions

What we can run on the SIM271 for this petrol — the precise options narrow down by engine and software version.

Stage 1 Stage 2 Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

4 distinct variants for the MERCEDES E on the SIM271 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1800 204HP
Engine code: M271 DE 18 AL
Controller brand: SIEMENS
ECU: SIM271
Stock power: 204 HP

Variant 2

ECU

Catalog engine: 2000 204HP
Controller brand: SIEMENS
ECU: SIM271
Stock power: 204 HP

Variant 3

ECU

Catalog engine: 1800 184HP
Controller brand: SIEMENS
ECU: SIM271
Stock power: 184 HP

Variant 4

ECU

Catalog engine: 1800 T 184HP
Engine code: M271 DE 18 AL
Controller brand: SIEMENS
ECU: SIM271
Stock power: 184 HP

Related vehicles

Other vehicles built on the SIM271 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 SIM271?

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 SIM271 ECU software on this model?

Yes — the MERCEDES E on the SIM271 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.