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Mercedes-Benz S 250 CDI 204hp
Technical Specifications
Power hp
Torque Nm
Power Graph
Mercedes-Benz S 250 CDI 204hp: da 204 a 230HP
Remapping Mercedes-Benz S
MasterTuning is a leader in developing remapping for Mercedes-Benz. La Mercedes-Benz S 250 CDI 204hp può passare da 204 HP a 230 HP con un incremento di 26 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Mercedes-Benz S 250 CDI 204hp
The Mercedes-Benz S 250 CDI 204hp is equipped with a diesel engine that produces 204 HP and 500 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mercedes-Benz can achieve 230 HP (+13%) and 560 Nm (+12%).
Our Stage 1 tuning for the S W221 - 2005 - 2013 delivers an impressive gain of +26 HP and +60 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code M651.961 identifies this specific powerplant configuration. The Bosch EDC17CP57 / Delphi CRD3.10 / Delphi CRD3.1R ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this Mercedes-Benz responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Technical Specifications — Mercedes-Benz S 250 CDI 204hp
Factory technical data for the Mercedes-Benz S 250 CDI 204hp (W221 - 2005 - 2013), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | M651.961 |
|---|---|
| ECU / Control unit | Bosch EDC17CP57 / Delphi CRD3.10 / Delphi CRD3.1R |
| Fuel | Diesel |
| Compression ratio | 16.2 |
| Bore × stroke | 83.0 X 99.0 mm |
| Stock power | 204 HP · 500 Nm |
| Remapped power (Stage 1) | 230 HP (+26) · 560 Nm (+60) |
Frequently Asked Questions - Mercedes-Benz S
How much power can I gain from remapping my Mercedes-Benz S?
With MasterTuning Stage 1, your Mercedes-Benz S 250 CDI 204hp can gain +26 HP (from 204 to 230 HP) and +60 Nm of torque. This represents a 13% increase in power.
Is ECU remapping safe for the Mercedes-Benz S engine?
Yes, MasterTuning's remapping for the Mercedes-Benz S 250 CDI 204hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M651.961 engine.
Is the Mercedes-Benz ECU remapping reversible?
Absolutely. The original factory calibration of your Mercedes-Benz S is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Mercedes-Benz warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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