Mercedes 250 CGI (1.8T) Tuning
Supported in 3 Mercedes models, 2009+.
Mercedes
3 supported 250 CGI (1.8T) applications
Models With the Mercedes 250 CGI (1.8T)
All Supported Mercedes 250 CGI (1.8T) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| C | 2010+ | W204 | 204 hp | ECU Continental SIM271DE2.0 | AutoTuner |
| E | 2009+ | W212 | 204 hp | ECU Continental SIM271DE2.0 | AutoTuner |
| SLK | 2011+ | R172 | 204 hp | ECU Continental SIM271DE2.0 | AutoTuner |
About Mercedes 250 CGI (1.8T) tuning
We tune the Mercedes 250 CGI (1.8T) in 3 applications across the C, E, SLK, from 2009+, in gasoline form, with stock outputs of 204 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Continental SIM271DE2.0.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.