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.
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.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 150 - 95hp | 95 → 105 |
| +10 |
| 140 → 155 |
| +15 |
| Moderate (4.5/10) |
| 180 CDI 109hp | 109 → 170 | +61 | 250 → 360 | +110 | Excellent (8/10) |
| 200 CDI 136/140hp | 140 → 170 | +30 | 300 → 360 | +60 | Good (7.5/10) |
| 200 Turbo 193hp | 193 → 225 | +32 | 280 → 340 | +60 | Good (7/10) |
Get a personalised remap quote for your Mercedes-Benz B. We'll connect you with a trusted professional in your area.
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 before proceeding.
