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:
Important safety notes
The HomeLink® garage door opener
integrated in the rear-view mirror allows you
to operate up to three different door and gate
systems.
Certain garage door drives are
incompatible with the integ ...
Emergency engine shut off
To shut off the engine in an emergency
situation while driving, perform the following
procedure:
► Rapidly push the push-button ignition
switch 3 consecutive times in less than
1.5 sec ...
Removing the detachable tow hitch
Removal of the tow hitch is the reverse of fitting.
Note: The key cannot be removed when the tow hitch has been detached. ...
