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.
See also:
Avoiding a section of the route blocked
by a traffic jam
This function blocks a section of the route
ahead of you. You can set the length of the
blocked route section. If possible, COMAND
calculates a detour around the blocked
section of the route.
...
Stowage compartments in the front
Glove box
The glove box can be cooled.
– To open: pull handle 1 and open glove box
flap 2.
– To close: fold glove box flap 2 upwards
until it engages.
The glove box can only be locked ...
Vehicle
Activating/deactivating the automatic
door locking feature
If you select the Automatic Door Lock:
function, the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
For fur ...