Cleaning the trailer tow hitch
The ball coupling must be cleaned if it becomes dirty or corroded.
– Remove rust on the ball of the ball coupling,
e.g. with a wire brush.
– Remove dirt with a clean, lint-free cloth or
a brush.
– After cleaning, lightly grease the ball of the
ball coupling again.
– Check that the vehicle's trailer tow hitch is
working properly.
Observe the note on care provided by the
trailer manufacturer.
You can also have the maintenance work
on the ball coupling and the trailer tow hitch
carried out by a qualified specialist
workshop.
Environmental note
Dispose of rags soaked in oil and grease in an
environmentally responsible manner.
See also:
Program selector button
General information
The program selector button allows you to
choose between different driving
characteristics.
Program selector button on all models except AMG
vehicles
For further infor ...
Automatic locking feature
The vehicle locks automatically when the
ignition is switched on and the wheels of the
vehicle are turning at a speed of more than
9 mph (15 km/h).
You could therefore be locked out when:
- th ...
Restoring the factory settings
Press the
and
buttons simultaneously for
approximately six seconds until the battery check lamp flashes twice. ...