See also:

Important safety notes
Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries out ...

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. ...

Locking and unlocking centrally
The SmartKey centrally locks/unlocks: the doors the tailgate the fuel filler flap 1 Locks the vehicle 2 Opens/closes the tailgate 3 Unlocks the vehicle When unlocking, the turn sign ...