Mercedes-Benz S W221 - 2005 - 2013 63 AMG 525hp ECU Remapping
A professional ECU remap can optimise the way your Mercedes-Benz S delivers power and torque, helping the vehicle feel stronger, smoother and more responsive in everyday driving.
The expected Stage 1 figures for this vehicle show an increase from 525 BHP to 541 BHP, with torque improving from 630 Nm to 650 Nm.