Mercedes-Benz GL-Class: Notes on towing a trailer - Trailer towing - Driving and parking - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Notes on towing a trailer

Important safety notes

WARNING When towing a trailer, incorrect equipment 
When towing a trailer, incorrect equipment and driving style could cause you to lose control of the vehicle.
Towing incorrectly or not observing this Operator's Manual could lead to damage to the vehicle and/or serious injuries. Observe the following guidelines to ensure safe trailer towing.
Contact a Mercedes-Benz Center if you need further explanation of the information contained in this Operator's Manual.

General information

Only install an approved trailer coupling on your vehicle.
Further information on availability and on installation is available from any authorized Mercedes-Benz Center.
The bumpers of your vehicle are not suitable for installing detachable trailer couplings.
Do not install hired trailer couplings or other detachable trailer couplings on the bumpers of your vehicle.
To reduce the risk of damage to the ball coupling, remove it from the ball coupling recess when not in use.

    Coupling up a trailer
    WARNING   While you are coupling or decoupling a trailer, make sure nobody locks or unlocks the vehicle and/or opens or closes doors or the tailgate. The vehicle's level could change an ...

    See also:

    Safety Belts
    This section of the manual describes how to use safety belts properly. It also describes some things not to do with safety belts. WARNING Do not let anyone ride where a safety belt cannot be wo ...

    Reporting Safety Defects to the United States Government
    If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ...

    Draining of coolant water
    If the vehicle is to be left outside without antifreeze, drain the cooling system, including the engine block. Refill before operating the vehicle. For details, see “Engine cooling system” ...