Mercedes-Benz SLC ECU remapping
29 files available

About remapping
The Mercedes-Benz SLC accounts for 29 files in our catalogue, entirely petrol: the 2.0T leads, with the 43 AMG version well represented and the 3.0T V6 367 hp, 1.8 Blue Efficiency and 1.6T also present. It is a compact roadster, successor to the SLK.
Stage 1 makes up 28 files — one of the cleanest profiles in our catalogue — with 8 speed limiter removals and one Stage 2. The ECUs include MED17.7.2, MED17.7.3.1, MED17.3.1, MED17 and CRD3.
Model highlights
- ›28 Stage 1 files of 29 total: one of the cleanest profiles in our catalogue.
- ›Strong representation of the 43 AMG version.
- ›Coverage of the 3.0T V6 367 hp and 2.0T petrol versions.
- ›ECUs including MED17.7.2, MED17.7.3.1, MED17.3.1, MED17 and CRD3.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 43 AMG | Petrol | 367 hp | 415 hp +48 | 425 hp +58 |
| 250 CDI BlueTEC | Diesel | 204 hp | 240 hp +36 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
250 CDI BlueTEC
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…).
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?
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Log in as a professionalFrequently asked questions
What does the 43 AMG gain?
It is a turbocharged V6 with genuine headroom. It responds strongly to a Stage 1 map on standard hardware.
Why so many speed limiter removals?
These cars carry an electronic cut. Note that legal speed limits on public roads are unchanged by any electronic work.
Is it the same as the SLK?
The SLC is its direct successor and shares much of its engineering. It is worth checking both entries in our catalogue.
