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Coupling up a trailer
X
Make sure that the transmission is in posi-
tion P.
X
Apply the electric parking brake.
X
Position the trailer horizontally behind the
vehicle.
X
Couple up the trailer.
X
Establish the electric connection between
the vehicle and the trailer.
X
Check that the trailer lighting system is
working.
X
Push the combination switch upwards/
downwards and check whether the corre-
sponding turn signal on the trailer is flash-
ing.
A connected trailer is only recognised when
the electrical connection is established
correctly and when the lighting system is
working properly. The functioning of other
systems, e.g. ESP
®
, PARKTRONIC, Active
Parking Assist, Active Blind Spot Assist or
Lane Keeping Assist also depends on this.
Uncoupling a trailer
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 rebound-
ing of the overrun brake.
!
Remove the installed adapter cable
before folding in the ball coupling. Other-
wise, damage may occur to the rear
bumper and the adapter cable.
X
Make sure that the transmission is in posi-
tion P.
X
Apply the electric parking brake.
X
Secure the trailer against rolling away.
X
Remove the trailer cable and decouple the
trailer.
Folding in the ball coupling
G
WARNING
If you release the ball coupling or it does not
engage correctly when folding in, it will swing
out. Within pivoting range of the ball coupling,
there is an increased risk of an accident and
injury.
Only release the ball coupling if the pivoting
range is unobstructed. Always make sure that
the ball coupling engages when folding in.
Fold the ball coupling back in if you are not
using the trailer tow hitch.
X
Make sure that the vehicle is stationary and
the trailer cables are disconnected.
X
Place the protective covering on the ball
coupling.
X
Open the boot lid.
286
Towing a trailer
Driv
ing
and
pa
rk
ing
Summary of Contents for C-Class
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