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:
Exterior mirror out of position
If an exterior mirror has been pushed out of position, proceed as follows:
Vehicles without electrically
folding exterior mirrors: move the exterior mirror into the correct position
manually.
...
Resetting
Reset the sliding sunroof if it does not move
smoothly.
Turn the SmartKey to position 2 in the
ignition lock.
Raise the sliding sunroof fully at the rear.
Keep the switch pressed for
...
Activating/deactivating ATTENTION ASSIST
Press the
or
button on the
steering wheel to select the DriveAssist
menu.
Press the
or
button to select
Attention Asst..
Press
.
The current selection is displayed.
To activate/ ...