Mercedes-Benz Clase G ECU remapping
242 files available
About remapping
Looking to remap your Mercedes-Benz Clase G? We have 242 files for the Mercedes-Benz Clase G, covering 73 engine variants. Remapping optimises the ECU's original map to gain power and torque and sharpen response, keeping reliability and being fully reversible.
The table below shows the Mercedes-Benz Clase G engines we have files for, along with the ECUs they use. Drivers can request a quote for their Clase G; professionals can log in to download the file instantly.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 63 AMG (4.0) | Petrol | 585 hp | 652 hp +67 | — |
| 63 AMG | Petrol | 571 hp | 648 hp +77 | — |
| 55 AMG | Petrol | 507 hp | 535 hp +28 | — |
| 500 (4.0) | Petrol | 422 hp | 512 hp +90 | — |
| 350d (3.0D) | Diesel | 286 hp | 378 hp +92 | — |
| 350 CDI | Diesel | 245 hp | 280 hp +35 | — |
| 320 CDI | Diesel | 224 hp | 254 hp +30 | — |
| 320 | Petrol | 215 hp | 215 hp +0 | — |
| 270 CDI | Diesel | 156 hp | 193 hp +37 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
350d (3.0D)
ECUs
Generations covered
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
Speed limiter removal
Removal of the factory speed limiter.
EGR off
EGR valve management to reduce soot issues and improve response.
Pops & bangs
Pops & bangs exhaust effect (on lift-off and gear changes).
AdBlue/SCR off
AdBlue/SCR system management to avoid faults and lock-outs.
DPF off
Particulate filter solution: no more regenerations or blockage warnings.
DTC delete
Clearing of fault codes (DTC) that can't be removed via diagnosis.
Why remap with Repromatronic
- ✓More power and torque with engine-safe tuning
- ✓Sharper throttle response and nicer driving
- ✓Potential fuel savings in normal driving
- ✓Files built from the original and 100% reversible
- ✓Made by technicians with thousands of projects behind them
Are you a driver?
Request a free quote for your vehicle and we'll tell you the gains you can expect.
Request a quoteAre you a workshop or professional?
Sign up, buy credits and download the optimised file instantly.
Log in as a professionalFrequently asked questions
How many remap files are there for Mercedes-Benz Clase G?
We currently have 242 files for Mercedes-Benz Clase G, ready to download or request. The library grows constantly with new projects.
Which services can be applied to Mercedes-Benz Clase G?
Depending on the engine: Stage 1 and Stage 2 power tuning, EGR, DPF and AdBlue/SCR off, speed-limiter removal, pops & bangs and DTC delete. Each entry shows exactly what is available.
Is Mercedes-Benz Clase G remapping reversible?
Yes. We always keep the original file, so the vehicle can be returned to factory state at any time.
How much power do you gain remapping a Mercedes-Benz Clase G?
It depends on the engine, but a Stage 1 remap usually adds 15–30% more power and torque, always within the engine's safe limits. We give you the exact figures for your engine when you request a quote.
Does remapping affect fuel economy or reliability on a Mercedes-Benz Clase G?
A proper remap improves throttle response and can reduce consumption in normal driving. We always work within the engine's limits to keep reliability.
I'm a driver / a workshop — how do I get my Mercedes-Benz Clase G file?
Drivers can request a free, no-obligation quote. Workshops and professionals sign up, buy credits and download the optimised file instantly.