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.
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.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 500 - 456hp | 456 → 485 | +29 | 700 → 850 | +150 | Moderate (4.5/10) |
| 63 AMG V8 BiTurbo 585hp | 585 → 660 | +75 | 900 → 1100 | +200 | Good (6.5/10) |
| 65 AMG V12 BiTurbo 630hp | 630 → 740 | +110 | 1000 → 1300 | +300 | Good (7/10) |
Get a personalised remap quote for your Mercedes-Benz SL. 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.
