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:
Switching on the ignition
To turn on the ignition without starting the engine. Ensure the brake pedal is
not depressed, and with a valid Smart Key present in the vehicle, press the START/STOP
button and hold until the warn ...
Radio Menu
Press CONFIG to enter the configure menu screen, then press CONFIG repeatedly
until Radio is selected or press the Radio screen button to make changes for radio
information displayed or to limit f ...
Displaying the current fuelconsumption
► Press
on the steering wheel
to select the trip computer menu.
► Press
to select
Consumption.
The current fuel consumption is displayed.
...
