BHP+53 hp (14%)
Standard
367 hp
Tuned
420 hp
Torque+90 Nm (18%)
Standard
500 Nm
Tuned
590 Nm
Suitability
Moderate (5/10)Gains Profile
BalancedHeadroom
MediumMercedes-Benz SL 400 - 367hp ECU Remapping
Considering an ECU remap for your Mercedes-Benz SL 400 - 367hp? A Stage 1 remap can take this 2016 - 2021 petrol engine from 367 BHP to 420 BHP and from 500 Nm to 590 Nm of torque (naturally aspirated). This engine scores 5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz SL can achieve.
How this engine compares
- 12thof 21 Mercedes-Benz SL engines by power gain
- 81%of the 9,842 engines we hold gain data for see a smaller power increase
- 74%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Mercedes-Benz SL 400 - 367hp is a 3.0L naturally aspirated petrol engine producing 367 BHP and 500 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 420 BHP and 590 Nm — a gain of around 53 BHP (14%) and 90 Nm (18%).
This engine has limited 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: Naturally aspirated engine: gains are usually limited; results vary widely.. 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.
!High tuned torque: check transmission torque capacity and service history.