MERCEDES · SIM271 ECU · petrol

MERCEDES C SIM271 tuning files

The MERCEDES C on the SIM271, mapped from stock file to finished result. Across the matched variants stock power runs from 154 to 204 HP. There are 8 distinct variants on file for this combination. It is a petrol platform, tuned for response and clean power delivery. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All C coverage

Available solutions

Applicable work for the SIM271 on this petrol. The available set firms up once the exact engine and software are known.

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

Engine variants & ECU software

8 distinct variants for the MERCEDES C 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: 1800 204HP
Engine code: M271 DE 18 AL
Controller brand: SIEMENS
ECU: SIM271
Stock power: 204 HP
ECU HW: 2719035006

Variant 3

ECU

Catalog engine: 1800 200HP
Controller brand: SIEMENS
ECU: SIM271
Stock power: 200 HP

Variant 4

ECU

Catalog engine: 200 190HP
Engine code: M271 DE 18 AL
Controller brand: SIEMENS
ECU: SIM271
Stock power: 190 HP

Variant 5

ECU

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

Variant 6

ECU

Catalog engine: 1800 156HP
Engine code: M271 DE 18 AL
Controller brand: SIEMENS
ECU: SIM271
Stock power: 156 HP

Variant 7

ECU

Catalog engine: 1800 156HP
Engine code: M271 DE 18 AL
Controller brand: SIEMENS
ECU: SIM271
Stock power: 156 HP
ECU SW: 0104482440
ECU HW: 0044467540
SW upgrade: 2719030000

Variant 8

ECU

Catalog engine: 1800 154HP
Controller brand: SIEMENS
ECU: SIM271
Stock power: 154 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 C 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 C 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.