Mercedes CLS550 Tuning
1 supported Mercedes CLS550 application, 2011-2018.
Mercedes
1 supported CLS550 tunes
Mercedes CLS550
(M278) (MED17.7.1/MED17.7.3)
2011-2018
- Controller
- Engine (ECU)
- Remote tuning
- Remote tuning available
HP TunersBook a tune
All Supported Mercedes CLS550 Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| (M278) (MED17.7.1/MED17.7.3) | 2011-2018 | ECU | HP Tuners |
Other Mercedes Models
About Mercedes CLS550 tuning
Rapid Racing supports 1 Mercedes CLS550 application from 2011-2018 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 CLS550 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.