Expected gains of +40 BHP and +90 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz ML 400 CDI 250hp? A Stage 1 remap can take this W163 - 1997 - 2005 diesel engine from 250 BHP to 290 BHP and from 560 Nm to 650 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 ML can achieve.
The Mercedes-Benz ML 400 CDI 250hp is a 4.0L turbocharged diesel engine producing 250 BHP and 560 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 290 BHP and 650 Nm — a gain of around 40 BHP (16%) and 90 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 |
|---|---|---|---|---|---|
| 270 CDI 163hp | 163 → 200 | +37 | 370 → 450 | +80 | Good (7.5/10) |
| 320 V6 - 218hp | 218 → 230 | +12 | 310 → 330 | +20 | Moderate (4/10) |
| 350 V6 - 245hp | 245 → 260 | +15 | 350 → 370 | +20 | Moderate (4/10) |
| 430 V8 - 272hp | 272 → 290 | +18 | 400 → 425 | +25 | Limited (3.5/10) |
| 55 AMG 347hp | 347 → 367 | +20 | 510 → 535 | +25 | Limited (3.5/10) |
Get a personalised remap quote for your Mercedes-Benz ML. 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.