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244 Driving and parking
Pull the ball neck in the direction of the
#
arrow until it engages audibly in a vertical
position.
Indicator lamp
1
on the ball neck release
switch will go out.
If the ball neck is not securely locked in
place, the
Check trailer hitch
message will appear on the multifunction dis‐
play.
Remove the cover from the ball head and
#
store it in a safe place.
Make sure that the ball on the ball neck is clean.
Check that it is either greased or dry (grease-
free), depending on the instructions for the
trailer.
Folding the ball neck in
Pull release switch
#
unlocks.
The ball neck will fold up under the rear
bumper.
Indicator lamp
Push the ball neck in the direction of the
#
arrow until it engages audibly behind the
bumper.
Indicator lamp
sage on the multifunction display will disap‐
pear.
Observe the information on the displays on the
instrument cluster:
lockdisplay
Warning and indicator lamps (
R
Display messages (
R
2
until the ball neck
1
will flash.
1
will go out and the mes‐
page 492)
→
page 438)
→
Coupling up/uncoupling a trailer
& WARNING Risk of injury from the vehicle
level being changed
Vehicles with level control system: the
vehicle level may be changed unintentionally,
e.g. by other persons. You may become trap‐
ped if you couple up or uncouple a trailer
while the vehicle level is changing. In addi‐
tion, other people could become trapped if
their limbs are between the vehicle body and
the tyres or underneath the vehicle.
When coupling up or uncoupling a trailer,
make sure that:
The doors or tailgate are not opened or
#
closed.
You do not initiate the level control sys‐
#
tem and do not operate the DYNAMIC
SELECT switch.
Do not lock or unlock the vehicle.
#
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