Changing batteries
Batteries are required for the remote control and for the two sets of cordless headphones.
Changing batteries.
See also:
Cleaning the steering wheel and gear or
selector lever
Thoroughly wipe with a damp cloth or use
leather care agents that have been
recommended and approved by Mercedes-Benz. ...
Override feature for the rear side windows
WARNING
When children ride on the vehicle's rear seats, activate the override switch.
Otherwise, the children could be injured, e.g. by trapping themselves in the rear
side window.
...
Vehicle
Display messages
Possible causes/consequences and •► Solutions
Shift to 'P' or 'N'
to Start Engine
You have attempted to start the engine with the transmission in
position R ...