Mercedes-Benz GLC : Trailer hitch / General notes on the trailer hitch
Modifications to the engine cooling system may
be necessary, depending on the vehicle model.
The retrofitting of a trailer hitch is only permissible
if a towing capacity is specified in your vehicle
documents.
Further information can be obtained at a qualified
specialist workshop.
Other information:
You can no longer lock or unlock the vehicle
Possible causes:
The SmartKey battery is weak or discharged.
The SmartKey is faulty.
Check the battery using the indicator lamp.
Replace the SmartKey battery, if necessary.
Use the emergency key to lock or unlock...
If your vehicle has a wireless network connection,
it enables data to be exchanged between
your vehicle and additional systems. The wireless
network connection is made possible by the
vehicle's own transmitter and receiver or by a
mobile end device that you have brought into the
vehicle, for example, a smartphone...