Mersedes SUV Manuals

Storing the ball coupling

Mercedes-Benz GL-Class / Mercedes-Benz GL-Class Owners Manual / Driving and parking / Towing a trailer / Storing the ball coupling

WARNING

Do not carry the ball coupling in the vehicle interior if it is not secured.

Otherwise, you and others could be injured by the ball coupling being thrown around if you: brake sharply change direction suddenly are involved in an accident

Trailer power supply

You can connect accessories with a maximum power consumption of 240 W to the permanent power supply.

You must not charge a trailer battery using the power supply.

The trailer socket of your vehicle is equipped at the factory with a permanent power supply.

The permanent power supply is supplied via trailer socket pin 4.

The trailer's permanent power supply is switched off in the event of low vehicle supply voltage and after six hours at the latest.

A qualified specialist workshop can provide more information about installing the trailer electrics.

    See also:

    Switching the windshield wipers on/ off
    Do not operate the windshield wipers when the windshield is dry, as this could damage the wiper blades. Moreover, dust that has collected on the windshield can scratch the glass if wiping takes pl ...

    Maximum permissible gross vehicle weight rating
    ► Specification for maximum gross vehicle weight 1 is listed in the Tire and Loading Information placard: "The combined weight of occupants and cargo should never exceed XXX kilograms ...

    Driving with summer tires
    At temperatures below 45 ‡ (+7 †), summer tires lose elasticity and therefore traction and braking power. Change the tires on your vehicle to M+S tires. Using summer tires at very cold temperature ...

    © 2025 Copyright www.mersuv.com