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:
Safety
Dual-stage front airbags and door-mounted side-impact airbags for the front
and rear seats are standard. Optional curtain-type airbags deploy from above the
side windows. With Mercedes’ BabySmart ...
Activating/deactivating
To activate: press the
button.
The indicator lamp in the button
lights up.
To switch off: press the
button.
The indicator lamp in the button
goes out. The cooling with air dehumidificat ...
Switching on/off
The steering-wheel heating heats the leather
areas of the steering wheel
•► Make sure that the SmartKey is in position
2 in the ignition lock.
•► To switch on/off: turn the lever i ...
