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:
Resetting values
You can reset the values of the following functions:
Trip odometer
Trip computer "From start"
Trip computer "From reset"
Press the or
button on the steeri ...
Hydroplaning
If water has accumulated to a certain depth on the road surface, there is a danger
of hydroplaning occurring, even if:
you drive at low speeds.
the tires have adequate tread depth.
For this ...
Massage function (PULSE)
The massage function helps you to prevent
muscle tension on long journeys. You can
choose between two levels.
•► To switch on: press button 4 once or
twice until the desired level is set. ...