See also:

Problems with the SmartKey
...

Working on the vehicle
WARNING When working on the vehicle, engage the electronic parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result ...

AMG vehicles with rear axle locking differential
Your vehicle is equipped with a self-locking differential on the rear axle. For better protection of the differential on the rear axle, carry out an oil change after a breaking-in phase of 200 ...