Mercedes 400 EU6 (3.5T) Tuning
Supported in 2 Mercedes models, 2010+.
Mercedes
12 supported 400 EU6 (3.5T) applications
Models With the Mercedes 400 EU6 (3.5T)
All Supported Mercedes 400 EU6 (3.5T) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| CLS | 2010+ | C218 | 333 hp | ECU Bosch MED17.7.1 | AutoTuner |
| CLS | 2010+ | C218 | 333 hp | ECU Bosch MED17.7.3.1 | AutoTuner |
| CLS | 2010+ | C218 | 333 hp | ECU Bosch MED17.7.3 | AutoTuner |
| CLS | 2010+ | C218 | 333 hp | TCU Continental VGS4-NAG2 | AutoTuner |
| E | 2016+ | W213 | 333 hp | ECU Bosch MED17.7.1 | AutoTuner |
| E | 2016+ | W213 | 333 hp | ECU Bosch MED17.7.3.1 | AutoTuner |
| E | 2016+ | W213 | 333 hp | ECU Bosch MED17.7.3 | AutoTuner |
| E | 2016+ | W213 | 333 hp | TCU Continental VGS4-NAG2 | AutoTuner |
| E | 2013+ | W212 | 333 hp | ECU Bosch MED17.7.1 | AutoTuner |
| E | 2013+ | W212 | 333 hp | ECU Bosch MED17.7.3.1 | AutoTuner |
| E | 2013+ | W212 | 333 hp | ECU Bosch MED17.7.3 | AutoTuner |
| E | 2013+ | W212 | 333 hp | TCU Continental VGS4-NAG2 | AutoTuner |
About Mercedes 400 EU6 (3.5T) tuning
We tune the Mercedes 400 EU6 (3.5T) in 12 applications across the CLS, E, from 2010+, in gasoline form, with stock outputs of 333 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 MED17.7.1, Bosch MED17.7.3, Bosch MED17.7.3.1, Continental VGS4-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.