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:
Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking. See Maintenance
Schedule .
Replacement blades come in different types and are removed in different ways. ...
Airbag System Check
The airbag system does not need regularly scheduled maintenance or replacement.
Make sure the airbag readiness light is working. See Airbag Readiness Light
.
Notice: If an airbag covering is ...
Checking the washer fluid level
WARNING
Some windshield washer products are inflammable, particularly if high or undiluted
concentrations are exposed to sparking. Do not allow washer fluid to come into contact
with naked f ...
