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Towing a trailer
276
Check that the trailer lighting system is work-
X
ing.
Push the combination switch upwards and
X
downwards and check whether the corre-
sponding turn signal on the trailer is flashing.
A connected trailer is only detected when the
electrical connection is established correctly
and when the lighting system is working prop-
erly. The function of other systems also depends
on this, for example:
®
ESP
R
PARKTRONIC
R
Active Parking Assist
R
Active Blind Spot Assist
R
Active Lane Keeping Assist
R
i
Vehicles with the AIRMATIC package: if
you couple up a trailer, the vehicle initially
remains at the selected level of the drive pro-
gram set. Observe the following when cou-
pling up a trailer:
If the normal level was not selected previ-
R
ously, the vehicle automatically adopts the
normal level starting from a speed of
30 km/h. Even at higher speeds, it does not
drop below the normal level.
Vehicle levels below the normal level are
R
not available.
The raised level is available up to a speed of
R
30 km/h.
This also applies when using accessories
R
that are plugged into the socket of the
trailer tow hitch (e.g. a bicycle rack).
Before driving with a trailer, please observe
R
the information on the trailer support
wheel.
Uncoupling a trailer
Important safety notes
G
WARNING
If you uncouple a trailer with an engaged over-
run brake, you could trap your hand between
the vehicle and the trailer drawbar. This poses
a risk of injury.
Do not uncouple a trailer with an engaged
overrun brake.
G
WARNING
Vehicles with level control:
If you disconnect the trailer cable, the vehicle
is lowered. This can cause you or others to
become trapped between the vehicle body
and tyres, or underneath the vehicle. This
poses a risk of injury.
Make sure that no-one is in the immediate
vicinity of the wheel arch or underneath the
vehicle when disconnecting the trailer cable.
!
Do not disconnect a trailer with an engaged
overrun brake. Otherwise, your vehicle could
be damaged by the rebounding of the overrun
brake.
!
Remove the adapter cable before folding in
the ball coupling. You could otherwise dam-
age the rear bumper and the adapter cable.
Steel-sprung vehicles
Shift the transmission to position P.
X
Apply the electric parking brake.
X
Secure the trailer against rolling away.
X
Remove the trailer cable and decouple the
X
trailer.
Vehicles with the AIRMATIC package
Shift the transmission to position P.
X
Apply the electric parking brake.
X
Start the engine.
X
Close the doors and tailgate.
X
Secure the trailer against rolling away.
X
Remove the trailer cable and decouple the
X
trailer.
Switch off the engine.
X
Swinging the ball coupling in
!
Do not attempt to speed the up the swing-
out procedure by applying additional pressure
with your foot. The system could otherwise be
mechanically damaged.
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