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Mercedes-Benz SLK
250 (1.8T) 204hp ( 204 PS / 150 kW ) — Tuning File

204 PS stock power · R172 - 2011 -> (2011-heute) · Gasoline
Vehicle Data
BrandMercedes-Benz
ModelSLK
GenerationR172 - 2011 ->
Year2011-heute
FuelGasoline
Displacement1,796.0 L
Engine CodeM271.861
ECUContinental SIM271DE
Stock Power204 PS
Stock Torque310 Nm
Tuning Potential
STAGE1
215 PS +11
Power
359 Nm +49
Torque
+11 PS
Gain
STAGE2
220 PS +16
Power
380 Nm +70
Torque
+16 PS
Gain
Available Options
Exhaust flaps open Lambda OFF Pop & Bang Vmax OFF
ECU Remap — Mercedes-Benz SLK 250 (1.8T) 204hp ( 204 PS / 150 kW )

The Mercedes-Benz SLK 250 (1.8T) 204hp ( 204 PS / 150 kW ) (Gasoline, 204 PS) can be tuned with a Stage 1 ECU remap to 215 PS — a gain of +11 PS without any hardware modifications. Our tuning files target the original ECU software and optimise parameters such as injection timing, boost pressure and fuel maps to unlock the full performance potential.

All tuning files at ecufiles.io are developed and tested by experienced engineers. The original ECU file is always preserved — the remap is 100% reversible at any time.

Frequently Asked Questions
What does an ECU remap do on the Mercedes-Benz SLK 250 (1.8T) 204hp ( 204 PS / 150 kW )?
An ECU remap (chiptuning) modifies the engine control unit software to optimise parameters like injection timing, turbo boost pressure and fuel delivery. On the 250 (1.8T) 204hp ( 204 PS / 150 kW ), this typically results in more power, better throttle response and improved fuel efficiency at part load.
How much power gain is possible with Stage 1 on the 250 (1.8T) 204hp ( 204 PS / 150 kW )?
Stage 1 brings the 250 (1.8T) 204hp ( 204 PS / 150 kW ) from 204 PS to 215 PS — a gain of +11 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the Mercedes-Benz SLK?
Yes. We always save the original ECU file before applying any remap. The tuning can be fully reversed to factory settings at any time.
How fast do I receive the tuning file?
We process orders Monday to Friday from 08:00–20:00 and Saturday from 10:00–16:00. Most tuning files for the Mercedes-Benz SLK are delivered within 1–3 hours after uploading your original file.

Order Tuning File for Mercedes-Benz SLK

Upload your original file — we deliver the right tuning file for your 250 (1.8T) 204hp ( 204 PS / 150 kW ). Fast, secure, credit-based. B2B access for chiptuning professionals.

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