Mercedes-Benz GLK-Class: Trailer power supply - Trailer towing - Driving and parking - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: Trailer 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.

permanent power supply. You must not charge a trailer battery using the 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's permanent power supply is switched off in the event of low vehicle supply voltage and after six hours at the latest. You can obtain further information about installing the trailer's electrical equipment from a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

    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 shar ...

    See also:

    Washing
    - When washing the vehicle, the brakes may get wet. As a result, the brake stopping distance will be longer. To dry the brakes, drive the vehicle at a safe speed while lightly pressing t ...

    Storing and maintaining the current speed
    You can store the current speed if you are driving faster than 20 mph (30 km/h). Accelerate the vehicle to the desired speed. Briefly press the cruise control lever up 1 or down 2. Remove your ...

    How does the airbag supplemental restraint system work?
    The airbag SRS is designed to activate when the vehicle sustains a longitudinal deceleration sufficient to cause the airbag sensors to close an electrical circuit that initiates airbag inflation. ...