Mercedes 450 (4.7i) Tuning
Supported in 2 Mercedes models, 2005+.
Mercedes
6 supported 450 (4.7i) applications
Models With the Mercedes 450 (4.7i)
All Supported Mercedes 450 (4.7i) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| GL | 2012+ | X166 | 340 hp | ECU Bosch ME9.7 | AutoTuner |
| GL | 2012+ | X166 | 340 hp | ECU Bosch MED17.7.3 | AutoTuner |
| GL | 2006+ | X164 | 340 hp | ECU Bosch ME9.7 | AutoTuner |
| GL | 2006+ | X164 | 340 hp | ECU Bosch MED17.7.3 | AutoTuner |
| S | 2005+ | W221 | 340 hp | ECU Bosch ME9.7 | AutoTuner |
| S | 2005+ | W221 | 340 hp | ECU Bosch MED17.7.3 | AutoTuner |
About Mercedes 450 (4.7i) tuning
We tune the Mercedes 450 (4.7i) in 6 applications across the GL, S, from 2005+, in gasoline form, with stock outputs of 340 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 ME9.7, 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.