Mercedes-Benz Clase S ECU remapping
732 files available
About remapping
The Mercedes-Benz S-Class accounts for 732 files in our catalogue, led by the 3.0 CDI V6 diesel in its various designations, with the 5.5 AMG V8 biturbo and the 3.0T petrol at the top of the range. It is the brand's flagship, where effortless delivery matters far more than headline figures.
Stage 1 makes up 582 files, with 151 speed limiter removals, 80 Stage 2 and 64 EGR off. The ECU range covers EDC16CP36, EDC17CP46 and EDC17CP57 on the diesels, plus MED17.7.3, MED17.7.31 and ME9.7 on the petrol units.
Model highlights
- ›582 Stage 1 files, led by the 3.0 CDI V6 diesel.
- ›Coverage of the 5.5 AMG V8 biturbo at the top of the range.
- ›151 speed limiter removals and 80 Stage 2 files.
- ›ECUs including EDC16CP36, EDC17CP46, EDC17CP57, MED17.7.3 and ME9.7.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 63 AMG | Petrol | 612 hp | 690 hp +78 | — |
| 600 | Petrol | 530 hp | 680 hp +150 | — |
| 550 4.7T | Petrol | 435 hp | 498 hp +63 | 508 hp +73 |
| 450 4MATIC | Other | 389 hp | 434 hp +45 | — |
| 55 AMG | Petrol | 360 hp | 378 hp +18 | — |
| 400d (3.0d) | Diesel | 340 hp | 392 hp +52 | — |
| 400 | Petrol | 333 hp | 390 hp +57 | 420 hp +87 |
| 400 Hybrid | Other | 333 hp | 380 hp +47 | — |
| 450 CDI | Diesel | 320 hp | 360 hp +40 | — |
| 420 CDI | Diesel | 320 hp | 343 hp +23 | — |
| 500 | Petrol | 306 hp | 331 hp +25 | — |
| 400 BlueHYBRID | Petrol | 299 hp | 314 hp +15 | — |
| 430/420/SE400 | Petrol | 279 hp | 308 hp +29 | — |
| 400 CDI | Diesel | 260 hp | 290 hp +30 | — |
| 350 CDI | Diesel | 258 hp | 300 hp +42 | — |
| 320 CDI | Diesel | 235 hp | 265 hp +30 | 280 hp +45 |
| 300 CDI Hybrid | Diesel | 231 hp | 260 hp +29 | — |
| 300 BlueTEC HYBRID | Other | 204 hp | 240 hp +36 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
420 CDI
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…).
EGR off
EGR valve management to reduce soot issues and improve response.
DPF off
Particulate filter solution: no more regenerations or blockage warnings.
AdBlue/SCR off
AdBlue/SCR system management to avoid faults and lock-outs.
Pops & bangs
Pops & bangs exhaust effect (on lift-off and gear changes).
DTC delete
Clearing of fault codes (DTC) that can't be removed via diagnosis.
Stage 3
Setup for high-performance modifications on specific hardware.
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 approach suits a flagship saloon?
Effortless delivery and refinement rather than aggression. The aim is more flexibility without losing the smoothness that defines the model.
Do you work on the AMG versions?
Yes, the 5.5 AMG V8 biturbo is present in our catalogue. Being twin-turbocharged, it offers considerable headroom.
Is the work reversible?
Yes. We always keep the original ECU file, which matters particularly on a vehicle of this value.