Mercedes-Benz S W221 - 2005 - 2013 350 CDI BlueTec 258hp 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 258 BHP to 300 BHP, with torque improving from 620 Nm to 700 Nm.