Installing the ball coupling
WARNING
If the vehicle/trailer combination is not secured, the trailer may come loose. As a result, you could cause an accident.
Observe the ball coupling manufacturer's installation instructions and special instructions for use.
Mercedes-Benz recommends that you only use ball couplings that have been tested
and approved by Mercedes-Benz. This helps to avoid damage to the vehicle.

Protective cap
- Pull protective cap 1 in the direction of the arrow out of ball coupling recess 2.
- Stow protective cap 1 safely.
- Observe the manufacturer's installation instructions.
WARNING
If the ball coupling is not correctly installed and secured, the ball coupling and the trailer could come loose. As a result, you could cause an accident.
Therefore, please observe the following:
- Ensure that the ball coupling is secured according to the ball coupling manufacturer's installation instructions.
- If the ball coupling cannot be installed as prescribed, detach the ball coupling. Under these circumstances, the ball coupling must not be used for trailer towing.
Have the entire trailer tow hitch checked at a qualified specialist workshop.
See also:
Cleaning the wiper blades
WARNING
Before cleaning the windshield or wiper
blades, switch off the windshield wipers and
remove the SmartKey from the ignition lock.
On vehicles with KEYLESS-GO, press the
Start/Stop b ...
Information about driving abroad
Converting to symmetrical low beam
when driving abroad: switch the headlamps
to symmetrical low beam in countries in
which traffic drives on the opposite side of the
road to the country where ...
Opening and closing the hinged sidewindows
The hinged side windows are operated
electrically from the from the driver's seat.
WARNING
Make sure that nobody can become trapped
as you close the hinged side windows. If there
is a ...
