Mercedes 250 CDI S&S (2.1) Tuning
Supported in 7 Mercedes models, 2010+.
Mercedes
39 supported 250 CDI S&S (2.1) applications
Models With the Mercedes 250 CDI S&S (2.1)
All Supported Mercedes 250 CDI S&S (2.1) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| B | 2011+ | W246 | 204 hp | ECU Bosch EDC17CP57 | AutoTuner |
| B | 2011+ | W246 | 204 hp | ECU Bosch EDC17CP46 | AutoTuner |
| B | 2011+ | W246 | 204 hp | ECU Bosch EDC17CP60 | AutoTuner |
| B | 2011+ | W246 | 204 hp | ECU Delphi CRD2 | AutoTuner |
| B | 2011+ | W246 | 204 hp | ECU Delphi CRD3.58 | AutoTuner |
| B | 2011+ | W246 | 204 hp | TCU Siemens VGSx-NAG2 | AutoTuner |
| C | 2010+ | W204 | 204 hp | ECU Bosch EDC17CP57 | AutoTuner |
| C | 2010+ | W204 | 204 hp | ECU Bosch EDC17CP46 | AutoTuner |
| C | 2010+ | W204 | 204 hp | ECU Bosch EDC17CP60 | AutoTuner |
| C | 2010+ | W204 | 204 hp | ECU Delphi CRD2 | AutoTuner |
| C | 2010+ | W204 | 204 hp | ECU Delphi CRD3.58 | AutoTuner |
| C | 2010+ | W204 | 204 hp | TCU Siemens VGSx-NAG2 | AutoTuner |
| CLS | 2010+ | C218 | 204 hp | ECU Bosch EDC17CP57 | AutoTuner |
| CLS | 2010+ | C218 | 204 hp | ECU Bosch EDC17CP46 | AutoTuner |
| CLS | 2010+ | C218 | 204 hp | ECU Bosch EDC17CP60 | AutoTuner |
| CLS | 2010+ | C218 | 204 hp | ECU Delphi CRD2 | AutoTuner |
| CLS | 2010+ | C218 | 204 hp | ECU Delphi CRD3.58 | AutoTuner |
| CLS | 2010+ | C218 | 204 hp | TCU Siemens VGSx-NAG2 | AutoTuner |
| GLK | 2010+ | X204 | 204 hp | ECU Bosch EDC17CP57 | AutoTuner |
| GLK | 2010+ | X204 | 204 hp | ECU Bosch EDC17CP46 | AutoTuner |
| GLK | 2010+ | X204 | 204 hp | ECU Bosch EDC17CP60 | AutoTuner |
| GLK | 2010+ | X204 | 204 hp | ECU Delphi CRD2 | AutoTuner |
| GLK | 2010+ | X204 | 204 hp | ECU Delphi CRD3.58 | AutoTuner |
| GLK | 2010+ | X204 | 204 hp | TCU Siemens VGSx-NAG2 | AutoTuner |
| ML | 2011+ | W166 | 204 hp | ECU Bosch EDC17CP57 | AutoTuner |
| ML | 2011+ | W166 | 204 hp | ECU Bosch EDC17CP46 | AutoTuner |
| ML | 2011+ | W166 | 204 hp | ECU Bosch EDC17CP60 | AutoTuner |
| ML | 2011+ | W166 | 204 hp | ECU Delphi CRD2 | AutoTuner |
| ML | 2011+ | W166 | 204 hp | ECU Delphi CRD3.58 | AutoTuner |
| ML | 2011+ | W166 | 204 hp | TCU Siemens VGSx-NAG2 | AutoTuner |
| SLK | 2011+ | R172 | 204 hp | ECU Bosch EDC17CP57 | AutoTuner |
| SLK | 2011+ | R172 | 204 hp | ECU Bosch EDC17CP46 | AutoTuner |
| SLK | 2011+ | R172 | 204 hp | ECU Bosch EDC17CP60 | AutoTuner |
| SLK | 2011+ | R172 | 204 hp | ECU Delphi CRD2 | AutoTuner |
| SLK | 2011+ | R172 | 204 hp | ECU Delphi CRD3.58 | AutoTuner |
| SLK | 2011+ | R172 | 204 hp | TCU Siemens VGSx-NAG2 | AutoTuner |
| V | 2013+ | 190 hp | ECU Bosch EDC17C66 | AutoTuner | |
| V | 2013+ | 190 hp | TCU Siemens VGSx-NAG2 | AutoTuner | |
| V | 2013+ | 190 hp | TCU Continental VGS4-NAG2 | AutoTuner |
About Mercedes 250 CDI S&S (2.1) tuning
We tune the Mercedes 250 CDI S&S (2.1) in 39 applications across the B, C, CLS, GLK, ML, SLK, V, from 2010+, in diesel form, with stock outputs of 190-204 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: Bosch EDC17C66, Bosch EDC17CP46, Bosch EDC17CP57, Bosch EDC17CP60, Continental VGS4-NAG2, Delphi CRD2, Delphi CRD3.58, Siemens VGSx-NAG2.
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.