Mercedes-Benz C-Class 180CGI Stage 2 (156PS / Auto) - Reviews | W204

Mercedes-Benz C-Class 180CGI Stage 2 (156PS / Auto) - Reviews | W204
C-Class W204 180CGI — SIM271 M800008400000 Siemens — ECU Files
This is a high-performance Stage 2 tuning file for the Mercedes-Benz C-Class 180CGI (W204), equipped with a Siemens/Continental SIM271 ECU. This calibration is designed for enthusiast vehicles that have been mechanically modified with a high-flow or decat downpipe to achieve the best possible performance from the 1.8L turbocharged engine.

This aggressive remap completely recalibrates the engine's operating parameters, including boost pressure, ignition timing, and fueling, to take full advantage of the improved exhaust flow. The result is a significant increase in horsepower and torque, transforming the C-Class into a much faster and more responsive vehicle with a thrilling, sporty character.

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New Tuning File Available: C-Class W204 180CGI — SIM271 M800008400000 Siemens — ECU Files 2719034706 - Mercedes-Benz Stage 2 — ECU: 2719034706 — A high-performance tune for the 1.8L CGI engine, requiring a high-flow downpipe for maximum power gains.

💬 Discussion & Reviews: Mercedes-Benz 180CGI​


Welcome to the official discussion thread for the Mercedes-Benz 180CGI tuning package. This calibration is specifically developed for the W204 ECU and optimized to work seamlessly with the Automatic Transmission.

Target Performance: 156 PS / 114.7 kW.

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Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!

All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.

Extended Product Information​

  • Calibrated for vehicles with a high-flow or decat downpipe
  • Aggressive boost and torque maps for a significant performance increase
  • Ignition timing and lambda targets extensively revised for high-octane fuel
  • Automatic transmission torque communication optimized for the new power level
  • Catalyst monitoring disabled in software to prevent errors (for off-road use)
  • All engine safety systems retained and recalibrated for high-performance use

➜ Download Tuning File / View Full Specs
 

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