Mercedes-Benz SL ECU remapping
102 files available

About remapping
Looking to remap your Mercedes-Benz SL? We have 102 files for the Mercedes-Benz SL, covering 49 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 SL engines we have files for, along with the ECUs they use. Drivers can request a quote for their SL; professionals can log in to download the file instantly.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 65 AMG | Petrol | 630 hp | 680 hp +50 | 730 hp +100 |
| 63 AMG | Petrol | 585 hp | 630 hp +45 | 658 hp +73 |
| 63 AMG S | Petrol | 585 hp | 630 hp +45 | 658 hp +73 |
| 600 5.5T | Petrol | 517 hp | 590 hp +73 | — |
| 55 AMG | Petrol | 517 hp | 542 hp +25 | — |
| 500 | Petrol | 455 hp | 500 hp +45 | — |
| 400 | Petrol | 367 hp | 400 hp +33 | — |
| 350 BlueEFFICIENCY | Petrol | 306 hp | 328 hp +22 | — |
| 500 5.0 V8 | Petrol | 306 hp | 326 hp +20 | — |
| 350 V6 | Petrol | 272 hp | 292 hp +20 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
500
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.
Speed limiter removal
Removal of the factory speed limiter.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
Pops & bangs
Pops & bangs exhaust effect (on lift-off and gear changes).
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 SL?
We currently have 102 files for Mercedes-Benz SL, ready to download or request. The library grows constantly with new projects.
Which services can be applied to Mercedes-Benz SL?
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 SL 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 SL?
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 SL?
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 SL file?
Drivers can request a free, no-obligation quote. Workshops and professionals sign up, buy credits and download the optimised file instantly.
