Mercedes GL450 Tuning
1 supported Mercedes GL450 application, 2012-2014.
Mercedes
1 supported GL450 tunes
Mercedes GL450
(M278) (MED17.7.1/MED17.7.3)
2012-2014
- Controller
- Engine (ECU)
- Remote tuning
- Remote tuning available
HP TunersBook a tune
All Supported Mercedes GL450 Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| (M278) (MED17.7.1/MED17.7.3) | 2012-2014 | ECU | HP Tuners |
Other Mercedes Models
About Mercedes GL450 tuning
Rapid Racing supports 1 Mercedes GL450 application from 2012-2014 through HP Tuners. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan. Remote tuning is available for supported Mercedes GL450 applications.
Supported engines: (M278) (MED17.7.1/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.