Mercedes-Benz GL-Class: Notes on towing a trailer
Important safety notes
WARNING 
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.
Trailer towing
...
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:
Engine Coolant Temperature Gauge
This gauge shows the engine coolant temperature.
If the indicator on the gauge moves towards the shaded area on the thermostat,
it means that the engine coolant has overheated. If the vehicle has ...
Security Light
The security light should come on briefly as the engine is started.
If the system is working normally, the indicator light turns off. If it does
not come on, have the vehicle serviced by your dea ...
Towing eyes
WARNING
The towing points at the front and rear of the vehicle are designed for on-road
recovery only. If they are used for any other purpose, it may result in vehicle
damage and serious inj ...
