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:
Phone setting
To set up the Bluetooth® Hands-Free
Phone System to your preferred settings,
push the SETTING button on the instrument
panel and select the “PHONE” key.
Edit Vehicle Phonebook
To edit t ...
Driving systems
Display messages
Level Selection
Not Permitted
Possible causes/consequences and ►
Solutions
You cannot change the vehicle level, because:
• you are exceeding the permissible spee ...
Adding or Changing Preset Destinations
This feature allows additions or changes one of five preset destinations. When
a destination has been added as a preset destination, it is available to select
from the Destination Entry screen. See ...






