Mercedes 350 (2.0T) MHEV Tuning
Supported in 3 Mercedes models, 2016+.
Mercedes
6 supported 350 (2.0T) MHEV applications
Models With the Mercedes 350 (2.0T) MHEV
All Supported Mercedes 350 (2.0T) MHEV Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| CLS | 2018+ | C257 | 299 hp | ECU Bosch MED17.7.7 | AutoTuner |
| CLS | 2018+ | C257 | 299 hp | TCU Bosch VGS-NAG3 | AutoTuner |
| E | 2016+ | W213 | 299 hp | ECU Bosch MED17.7.7 | AutoTuner |
| E | 2016+ | W213 | 299 hp | TCU Bosch VGS-NAG3 | AutoTuner |
| G | 2018+ | W463-III | 258 hp | ECU Bosch MED17.7.7 | AutoTuner |
| G | 2018+ | W463-III | 258 hp | TCU Bosch VGS-NAG3 | AutoTuner |
About Mercedes 350 (2.0T) MHEV tuning
We tune the Mercedes 350 (2.0T) MHEV in 6 applications across the CLS, E, G, from 2016+, in gasoline form, with stock outputs of 258-299 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 MED17.7.7, Bosch VGS-NAG3.
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.