BHP+29 hp (6%)
Standard
456 hp
Tuned
485 hp
Torque+150 Nm (21%)
Standard
700 Nm
Tuned
850 Nm
Suitability
Moderate (4.5/10)Gains Profile
Torque-focusedHeadroom
MediumMercedes-Benz SL 500 - 456hp ECU Remapping
Considering an ECU remap for your Mercedes-Benz SL 500 - 456hp? A Stage 1 remap can take this 2016 - 2021 petrol engine from 456 BHP to 485 BHP and from 700 Nm to 850 Nm of torque (naturally aspirated). This engine scores 4.5/10 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
- 16thof 21 Mercedes-Benz SL engines by power gain
- 38%of the 9,842 engines we hold gain data for see a smaller power increase
- 92%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 500 - 456hp is a 4.7L naturally aspirated petrol engine producing 456 BHP and 700 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 485 BHP and 850 Nm — a gain of around 29 BHP (6%) and 150 Nm (21%).
This engine has limited remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. 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.