See also:

Adjusting the head restraints manually
The head restraints must only be removed at a qualified specialist workshop. Mercedes-Benz recommends that you use a Mercedes-Benz Center for this purpose. ► If the head restraint is f ...

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING   A malfunction in the system has been detected if one of the following conditions occurs: • t ...

Parking the vehicle for a long period
If you leave the vehicle parked for longer than four weeks, the battery may be damaged by exhaustive discharge. ► Connect a trickle charger. You can obtain information about trickle ch ...