Mercedes 350 MHEV Tuning

Supported in 2 Mercedes models, 2023+.

Mercedes

4 supported 350 MHEV applications

Models With the Mercedes 350 MHEV

All Supported Mercedes 350 MHEV Tunes

Supported Mercedes 350 MHEV applications
E2024+W214255 hpTCU Bosch VGS-NAG3AutoTuner
E2024+W214255 hpECU Bosch MG1CS100AutoTuner
GLE2023+W167255 hpTCU Bosch VGS-NAG3AutoTuner
GLE2023+W167255 hpECU Bosch MG1CS100AutoTuner

About Mercedes 350 MHEV tuning

We tune the Mercedes 350 MHEV in 4 applications across the E, GLE, from 2023+, in gasoline form, with stock outputs of 255 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 MG1CS100, 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.