Mercedes-Benz E-Class Saloon Owner's Manual page 273

Towing a trailer
270
Pull the ball coupling in the direction of the
X
arrow until it engages in a vertical position.
Indicator lamp = goes out. The trailer
power socket is integrated in the ball cou-
pling and swivels out with it.
Saloon: indicator lamp ? goes out.
Estate: indicator lamp = goes out.
The multifunction display shows the
Trailer Trailer hitch hitch Check
sage until the ball coupling is engaged.
Remove the protective covering from the
X
ball coupling and store it in a safe place.
Make sure that the ball of the ball coupling
X
is clean and greased.
HYBRID vehicles: make sure that you read
the "HYBRID" Supplement included in the
vehicle literature. Otherwise, you may not
recognise dangers.
Coupling up a trailer
Make sure that the transmission is in posi-
X
tion P.
Apply the parking brake.
X
Position the trailer horizontally behind the
X
vehicle.
Couple up the trailer.
X
Establish the electric connection between
X
the vehicle and the trailer.
Check that the trailer lighting system is
X
working.
A connected trailer is only recognised when
the electrical connection is established
correctly and when the lighting system is
working properly. The function of other sys-
tems, such as ESP
Active Parking 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
Check lock lock mech. mech. mes-
®
, PARKTRONIC and
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.
Make sure that the transmission is in posi-
X
tion P.
Apply the parking brake.
X
Secure the trailer against rolling away.
X
Remove the trailer cable and decouple the
X
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.
Place the protective covering on the ball
X
coupling.