Expected gains of +94 BHP and +220 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz S 350d (3.0D) 286hp? A Stage 1 remap can take this W223 - 2020 -> diesel engine from 286 BHP to 380 BHP and from 600 Nm to 820 Nm of torque (turbocharged). This engine scores 8/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz S can achieve.
The Mercedes-Benz S 350d (3.0D) 286hp is a 3.0L turbocharged diesel engine producing 286 BHP and 600 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 380 BHP and 820 Nm — a gain of around 94 BHP (33%) and 220 Nm (37%).
This engine scores highly for 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 high, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.. Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
Fuel economy note: economy gains unlikely at full power; depends on driving style.
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 |
|---|---|---|---|---|---|
| 400d (3.0D) 330hp | 330 → 380 | +50 | 700 → 820 | +120 | Good (7/10) |
| 450 (3.0T) 367hp | 367 → 420 | +53 | 500 → 600 | +100 | Good (7/10) |
| 500 (3.0T) 435hp | 435 → 480 | +45 | 520 → 600 | +80 | Good (6.5/10) |
Get a personalised remap quote for your Mercedes-Benz S. 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.