General information
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
► Check the battery in the SmartKey and
replace it if necessary.
► Unlock the driver's door using the
mechanical key.
► Lock the vehicle.
► Have the starter battery and battery
contacts checked at an authorized
Mercedes-Benz Center.
If the SmartKey is faulty, contact Roadside Assistance or an authorized Mercedes-Benz Center.
See also:
Setting the air distribution
You can set the air distribution separately for
the driver’s and front-passenger side.
Select left air distribution 2 or right air
distribution 6 by turning the
COMAND controller and press t ...
Seat belt
Display messages
Possible causes/consequences and Solutions
After starting
the engine, the red seat belt warning lamp lights up for six seconds.
The seat belt warning lam ...
Cleaning the display
Before cleaning the display, make sure that
it is switched off and has cooled down.
Clean the display surface using a
commercially-available microfiber cloth
and TFT/LCD display cleaner.
Dr ...