Driving and parking
Positioning the tow ball
In this manual: Driving and parking
~1min read
WARNING


Make sure the tow ball is locked in the desired position (folded or towing position). The indicator lamp is off.
Do not turn the unlocking knob when a trailer is attached. Otherwise, the trailer could become detached.
To tow a trailer, you must first move the tow ball to the towing position.
The unlocking knob is located behind the left-hand luggage compartment side trim.

- Opening the cover: turn handle 1 counterclockwise, tilt cover 2 downward and remove it.

- Pull unlocking knob 3 towards you.
- Turn unlocking knob 3 counterclockwise as far as it will go.
The tow ball is unlocked and appears behind the bumper. Indicator lamp 4 flashes.

- Pull the tow ball in the direction of the arrow by hand until it locks in the upright position.
Indicator lamp 4 goes out. The electrical socket extends automatically.
The message Towing device: check lock is shown in the multifunction display until the tow ball is locked.
- Remove the tow ball cap and store it in a safe place.
- Make sure the tow ball of the towing device is clean and either lubricated or dry (free of grease), in accordance with the trailer instructions.
Test yourself
A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.
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