Mercedes 55 AMG (5.5i) Tuning
Supported in 7 Mercedes models, 1997+.
Mercedes
10 supported 55 AMG (5.5i) applications
Models With the Mercedes 55 AMG (5.5i)
All Supported Mercedes 55 AMG (5.5i) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| C | 2004+ | W203 | 367 hp | ECU Bosch ME2.8 | AutoTuner |
| CL | 2002+ | W215 | 360 hp | ECU Bosch ME2.8 | AutoTuner |
| CLK | 2003+ | W209 | 367 hp | ECU Bosch ME2.8 | AutoTuner |
| CLK | 1998+ | W208 | 347 hp | ECU Bosch ME2.8 | AutoTuner |
| G | 2000+ | W463-II | 354 hp | ECU Bosch ME2.8 | AutoTuner |
| ML | 2000+ | W163 | 347 hp | ECU Bosch ME2.8 | AutoTuner |
| S | 1997+ | W220 | 360 hp | ECU Bosch ME2.8 | AutoTuner |
| SLK | 2011+ | R172 | 422 hp | ECU Bosch MED17.7.1 | AutoTuner |
| SLK | 2011+ | R172 | 422 hp | ECU Bosch MED17.7.3 | AutoTuner |
| SLK | 2004+ | R171 | 360 hp | ECU Bosch ME2.8 | AutoTuner |
About Mercedes 55 AMG (5.5i) tuning
We tune the Mercedes 55 AMG (5.5i) in 10 applications across the C, CL, CLK, G, ML, S, SLK, from 1997+, in gasoline form, with stock outputs of 347-422 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 ME2.8, Bosch MED17.7.1, Bosch MED17.7.3.
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.