BHP+26 hp (13%)
Standard
204 hp
Tuned
230 hp
Torque+60 Nm (12%)
Standard
500 Nm
Tuned
560 Nm
Suitability
Good (6/10)Gains Profile
BalancedHeadroom
MediumMercedes-Benz S 250 CDI 204hp ECU Remapping
Considering an ECU remap for your Mercedes-Benz S 250 CDI 204hp? A Stage 1 remap can take this W221 - 2005 - 2013 diesel engine from 204 BHP to 230 BHP and from 500 Nm to 560 Nm of torque (turbocharged). This engine scores 6/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz S can achieve.
How this engine compares
- 37thof 43 Mercedes-Benz S engines by power gain
- 35%of the 9,842 engines we hold gain data for see a smaller power increase
- 41%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Mercedes-Benz S 250 CDI 204hp is a 2.1L turbocharged diesel engine producing 204 BHP and 500 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 230 BHP and 560 Nm — a gain of around 26 BHP (13%) and 60 Nm (12%).
This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: possible improvement with conservative driving.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!High tuned torque: check transmission torque capacity and service history.
!Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.