BHP+36 hp (18%)
Standard
204 hp
Tuned
240 hp
Torque+80 Nm (16%)
Standard
500 Nm
Tuned
580 Nm
Suitability
Good (6.5/10)Gains Profile
BalancedHeadroom
MediumMercedes-Benz B 250 CDI 204hp ECU Remapping
Considering an ECU remap for your Mercedes-Benz B 250 CDI 204hp? A Stage 1 remap can take this W245 - 2005 - 2011 diesel engine from 204 BHP to 240 BHP and from 500 Nm to 580 Nm of torque (turbocharged). This engine scores 6.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz B can achieve.
How this engine compares
- 19thof 34 Mercedes-Benz B engines by power gain
- 60%of the 9,842 engines we hold gain data for see a smaller power increase
- 64%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Mercedes-Benz B 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 240 BHP and 580 Nm — a gain of around 36 BHP (18%) and 80 Nm (16%).
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.