Expected gains of +115 BHP and +150 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz SL 500 V8 BiTurbo 435hp? A Stage 1 remap can take this R231 - 2012 - 2015 petrol engine from 435 BHP to 550 BHP and from 700 Nm to 850 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz SL can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Mercedes-Benz SL 500 V8 BiTurbo 435hp is a 4.7L turbocharged petrol engine producing 435 BHP and 700 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 550 BHP and 850 Nm — a gain of around 115 BHP (26%) and 150 Nm (21%).
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: Turbo petrol: fuel quality and cooling can influence repeatable performance.. 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 |
|---|---|---|---|---|---|
| 400 V6 BiTurbo 333hp | 333 → 400 | +67 | 480 → 580 | +100 | Good (7.5/10) |
| 63 AMG V8 BiTurbo 537hp | 537 → 660 | +123 | 800 → 900 | +100 | Good (6.5/10) |
| 63 AMG V8 BiTurbo Pack Performance 571hp | 571 → 660 | +89 | 900 → 900 | +0 | Moderate (5.5/10) |
| 63 AMG V8 BiTurbo 585hp | 585 → 660 | +75 | 900 → 900 | +0 | Moderate (5.5/10) |
| 65 AMG V12 BiTurbo 630hp | 630 → 680 | +50 | 1000 → 1150 | +150 | Good (6/10) |
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.