Mercedes-Benz GLK-Class: Coupling up a trailer - Trailer towing - Driving and parking - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: Coupling up a trailer

Observe the maximum permissible trailer dimensions (width and length).

Most U.S. states and all Canadian provinces require by law:

  • safety chains between the towing vehicle and the trailer. The chains should be crosswound under the trailer drawbar. They must be fastened to the vehicle's trailer coupling, not to the bumper or the axle. Allow for enough play in the chains to facilitate turning tight corners.
  • a separate brake system for certain types of trailer.
  • a safety switch for braked trailers. Check the specific legal requirements applicable to your state.
    If the trailer detaches from the towing vehicle, the safety switch applies the trailer's brakes.

system of the towing vehicle, as the latter is equipped with an anti-lock brake Do not connect the trailer's brake system (if featured) to the hydraulic brake system of the towing vehicle, as the latter is equipped with an anti-lock brake system. Doing so will result in a loss of function of the brake systems of both the vehicle and the trailer.

The vehicle's wiring harness features a connection to the brake indicator lamp.

  • Make sure that the automatic transmission is set to position P.
  • Apply the vehicle's parking brake.
  • Close all doors and the tailgate.
  • Couple up the trailer.
  • Establish all electrical connections.
    Installing the ball coupling
    WARNING If the vehicle/trailer combination is not secured, the trailer may come loose. As a result, you could cause an accident. Observe the ball coupling manufacturer's installation inst ...

    Towing a trailer
    There are numerous legal requirements concerning the towing of a trailer, e.g. speed restrictions. Make sure that your vehicle/ trailer combination complies with the local requirements not only in ...

    See also:

    Underbody
    Flush the complete underside of your vehicle frequently. Keep body and door drain holes free from packed dirt. ...

    Airbag Supplemental Restraint System (SRS)
    ...

    IC Regulatory information
    - Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause unde ...