It doesnt need an engine service, its had the work done, but only an official mercedes workshop can reset the computer. And they charge an arm and a leg.
Maybe the police can keep an eye out for them. Sick of ass-holes prowling the streets thinking they can start trouble and rob people etc. I wouldn't be surprised if that was their motive..
Was going around an island when this fool came at speed from my left and cut in front of me forcing me to stop on an island just to avoid an accident, what a moron after him I have now decided to get a dashcam if idiots like this are on the road