Mercedes-Benz

Folding the ball neck out/in

WARNING Risk of accident due to the ball neck not being engaged

If the ball neck is not engaged, the trailer may come loose.

Always engage the ball neck as described.

WARNING Risk of injury from ball neck swinging outwards

The ball neck may swing outwards when unlocking or when it has not been properly engaged.

There is a risk of injury within the ball neck's range of movement!

Unlock the ball neck only when its range of movement is unobstructed.

Always be sure the ball neck is engaged when folding inwards.

Requirements:

The transmission has been shifted to position or .
The range of movement is clear.
When folding in only: trailer cables or adapter plugs have been removed.

Folding the ball neck out

Pull release switch

until the ball neck unlocks.

The ball neck folds out from under the rear bumper.

Indicator lamp flashes.

Pull the ball neck in the direction of the arrow until it engages audibly in a vertical position.

Indicator lamp on the ball neck release switch goes out.

If the ball neck is not securely locked in place, the Trailer coupling Check lockdisplay message appears on the multifunction display.

Remove the cover from the ball head and store it in a safe place.

Make sure that the ball of the ball neck is clean. Check that it is either greased or dry (grease free), depending on the instructions for the trailer.

Folding the ball neck in

Pull release switch

until the ball neck unlocks.

The ball neck folds up under the rear bumper.

Indicator lamp flashes.

Push the ball neck in the direction of the arrow until it engages audibly behind the bumper.

Indicator lamp goes out and the message on the multifunction display disappears.

Observe the information on the displays on the instrument cluster:

Warning and indicator lamps More
Display messages