Mercedes-Benz

Folding the ball neck in/out

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:

Before folding the ball neck inward/outward, make sure of the following:

the range of movement is clear
Only when folding inward: ensure trailer cables or adapter plugs have been removed.

Folding the ball neck outwards

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.

The indicator lamp on the release switch for unlocking the ball neck goes out.

If the ball neck is not securely locked in place, the Check trailer hitch lock display message appears in the multifunction display.

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

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

Folding the ball neck inwards

Pull release switch

again until the ball neck unlocks.

The ball neck folds up under the rear bumper.

Indicator lamp flashes.

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

Indicator lamp on release switch and the message in the multifunction display go out.

Observe any information which may be displayed in the instrument cluster: