Mercedes-Benz S 65 AMG V12 Turbo 612hp Remap

The Mercedes-Benz S 65 AMG V12 Turbo 612hp is a 6.0L turbocharged petrol engine producing 612 BHP and 1000 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 670 BHP and 1100 Nm — a gain of around 58 BHP (9%) and 100 Nm (10%).

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 limited, 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.