Mercedes-Benz

Extending/retracting the ball neck fully electrically

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

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

Make sure that the ball neck securely engages and locks into place.

NOTE Damage to the fully-electric trailer hitch

The fully-electric trailer hitch could be mechanically damaged by applying additional pressure when the ball neck is being extended or retracted.

Do not make the ball neck extend/retract faster by applying additional pressure.

Requirements:

Make sure of the following before retracting the ball neck fully electrically:

Extending/retracting the ball neck fully electrically

Pull switch

Indicator lamp flashes and the Trailer coupling extending… display message appears in the multifunction display.

The ball neck extends fully electrically.

Wait until the ball neck has locked in place.

The ball neck is securely locked into place once indicator lamp goes out.

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

Pull switch

again.

Indicator lamp flashes and the Trailer coupling extending… display message appears in the multifunction display.

The ball neck retracts fully electrically.

Wait until the ball neck has locked in place.

The ball neck is securely locked into place once indicator lamp goes out.

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

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