General notes
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 using the mechanical key.
•► Have the starter battery and the battery contacts checked at a qualified specialist workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
See also:
Raising the vehicle
WARNING
When jacking up the vehicle, only use the jack
which has been specifically approved by
Mercedes-Benz for your vehicle.
The jack is designed exclusively for jacking up
the vehicle at ...
Driving systems
Display messages
Possible causes/consequences and
Solutions
The red distance warning lamp lights up while the vehicle is in motion.
A warning tone also sounds.
R ...
Rejecting or ending a call
Press the button on the steering
wheel.
If you are not in the Tel menu, you can still reject or end a call. ...