MERCEDES · SIM271 ECU · petrol

MERCEDES SLK SIM271 tuning files

Tuning file coverage for the MERCEDES SLK running the SIM271 ECU. The matched variants sit between 184 and 184 HP from the factory. It is a petrol platform, tuned for response and clean power delivery. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All SLK coverage

Available solutions

Solutions that apply to the SIM271 on this petrol platform. The exact set depends on the specific engine and software version.

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

Engine variants & ECU software

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

Variant 1

ECU

Catalog engine: 1800 184HP
Engine code: M271 DE 18 AL
Controller brand: SIEMENS
ECU: SIM271
Stock power: 184 HP
ECU SW: 0034468840
ECU HW: 2719034304

Variant 2

ECU

Catalog engine: 1800 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 SLK 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 SLK 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.