See also:

Removing the ball coupling
Observe the manufacturer's installation instructions. Press the protective cap into the ball coupling recess. Make sure that the protective cap is firmly in place. ...

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. A ...

Calling up a stored parking position setting
•► Turn the SmartKey to position 2 in the ignition lock.•► Adjust the exterior mirror on the frontpassenger side with the corresponding button•► Engage reverse gear. The exter ...