Maintenance
See also:
Problems with the SmartKey
Problem
You cannot lock or unlock the vehicle using the SmartKey.
Possible causes/consequences and Solutions
The SmartKey battery is discharged or nearly discharged.
Try again to lock/unlock th ...
Important safety notes
WARNING
Only use roof racks approved by Mercedes-
Benz for your vehicle model to avoid damage
to the vehicle.
Follow the manufacturer's installation
instructions. Otherwise, an improperly ...
Cigarette lighter
WARNING
When leaving the vehicle, always remove the SmartKey from the ignition lock.
Always take the SmartKey with you and lock the vehicle. Do not leave children unattended
in the vehicle, ...
