Mercedes-Benz

Extending or 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 all-electric trailer hitch due to additional pressure

The all-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:

The vehicle is secured against rolling away.
The swivel range is clear.
The trailer cables or adapter plugs have been removed.

Extending the ball neck fully electrically

To extend:

pull button

Indicator lamp will flash and the message Trailer coupling in motion will appear on the multifunction display.

The ball neck will extend fully electrically.

Wait until the ball neck has locked in place.

When indicator lamp is continuously lit, the ball neck is securely locked in place.

If the ball neck is not securely locked in place, indicator lamp will flash and the message Check trailer hitch lock will appear on the multifunction display.

Retracting the ball neck fully electrically

Pull button

Indicator lamp will flash and the message Trailer coupling in motion will appear on the multifunction display.

The ball neck will retract fully electrically.

Wait until the ball neck has locked in place.

When indicator lamp goes out, the ball neck is securely locked in place.

If the ball neck is not securely locked in place, indicator lamp will flash and the message Check trailer hitch lock will appear on the multifunction display.

Observe the information about the displays on the instrument cluster:

Indicator and warning lamps More
Display messages More