Mercedes-Benz

Folding the ball neck out or 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 vehicle is secured against rolling away.
The swivel range is clear.
The trailer cables or adapter plugs have been removed.

Folding the ball neck out

Pull release switch

until the ball neck unlocks.

The ball neck will fold out from under the rear bumper.

Indicator lamp will flash.

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 will go out.

If the ball neck is not securely locked in place, the Trailer coupling Check lock message will appear on the multifunction display.

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

Make sure that the ball on 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 will fold up under the rear bumper.

Indicator lamp will flash.

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

Indicator lamp will go out and the message on the multifunction display will disappear.

Observe the information about the displays on the instrument cluster:

Indicator and warning lamps More
Display messages More