Mercedes-Benz GL X166 - 2012 -> GL 63 AMG - 558hp ECU Remapping
A professional ECU remap can optimise the way your Mercedes-Benz GL 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 558 BHP to 620 BHP, with torque improving from 760 Nm to 900 Nm.