Mercedes-Benz CLS ECU remapping
544 files available
About remapping
The Mercedes-Benz CLS accounts for 544 files in our catalogue, led by the 3.0 CDI V6 diesel, with the 5.5 AMG V8 and 4.7 BlueEfficiency V8 at the top of the range. It is a four-door coupe that combines executive comfort with genuine performance intent.
Stage 1 makes up 445 files, with 105 speed limiter removals, 69 Stage 2 and 34 EGR off. The ECUs are EDC16CP31, EDC17CP46 and EDC17CP57 on the diesels, alongside Delphi CRD3, plus MED17.7.1 and ME9.7 on the petrol units.
Model highlights
- ›445 Stage 1 files, led by the 3.0 CDI V6 diesel.
- ›Coverage of the 5.5 AMG V8 and 4.7 BlueEfficiency V8.
- ›105 speed limiter removals and 69 Stage 2 files.
- ›ECUs including EDC16CP31, EDC17CP46, EDC17CP57, CRD3 and MED17.7.1.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 63 AMG | Petrol | 557 hp | 620 hp +63 | — |
| 500 V8 | Petrol | 306 hp | 328 hp +22 | — |
| 350 (2.0T) | Petrol | 299 hp | 350 hp +51 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
500 V8
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.
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.
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?
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Log in as a professionalFrequently asked questions
Which CLS engine offers most headroom?
The AMG V8 units deliver the largest outright gains, while the 3.0 CDI V6 excels at effortless mid-range torque suited to the car's character.
Do you work on the AMG versions?
Yes, the 5.5 AMG V8 is present in our catalogue and accounts for part of the Stage 2 work on this model.
Is the work reversible?
Yes. We always keep the original ECU file, which matters particularly on a car in this segment.