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:
Automatic engine switch-off
The ECO start/stop function switches the
engine off automatically if the vehicle is
braked to a standstill and the brake remains
depressed with the transmission in position
D or N.
You can s ...
Proper use
WARNING
There are various warning stickers affixed to
your vehicle. Their purpose is to alert you and
others to various dangers. Therefore, do not
remove any warning stickers unless th ...
Power washers
WARNING
Do not use power washers with circular-jet
nozzles (dirt grinders) to clean your vehicle, in
particular the tires. You could otherwise
damage the tires and cause an accident.
Alway ...
