Data under review — The figures shown for this engine variant are currently being verified. They may be updated as we refine our data.
BHP+67 hp (20%)
Standard
333 hp
Tuned
400 hp
Torque+100 Nm (21%)
Standard
480 Nm
Tuned
580 Nm
Suitability
Moderate (5.5/10)Gains Profile
BalancedHeadroom
HighMercedes-Benz S 400 333hp ECU Remapping
Considering an ECU remap for your Mercedes-Benz S 400 333hp? A Stage 1 remap can take this W222 - 2013 - 2017 petrol engine from 333 BHP to 400 BHP and from 480 Nm to 580 Nm of torque (naturally aspirated). This engine scores 5.5/10 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
- 12thof 43 Mercedes-Benz S engines by power gain
- 91%of the 9,842 engines we hold gain data for see a smaller power increase
- 79%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 400 333hp is a 3.0L naturally aspirated petrol engine producing 333 BHP and 480 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 400 BHP and 580 Nm — a gain of around 67 BHP (20%) and 100 Nm (21%).
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 high, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.. High tuned torque: check transmission torque capacity and service history.
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
!Naturally aspirated engine: gains are usually limited; results vary widely.
!Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.
!High tuned torque: check transmission torque capacity and service history.