Displays and operation
See also:
Problems with the SmartKey
Problem
You cannot lock or unlock the vehicle using the SmartKey.
Possible causes/consequences and Solutions
The SmartKey battery is discharged or nearly discharged.
Try again to lock/unlock th ...
Message memory
The on-board computer saves certain display messages. You can call up the
display messages
in the message memory.
– Press the or
button on the steering wheel to
select the Serv. menu.
If th ...
Adjusting the head restraints manually
Adjusting the head restraint height
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. ...
