238 Driving and parking
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Coupling/uncoupling a trailer
Remove the cover cap from the ball head and
store it in a safe place.
&
WARNING Risk of injury from the vehicle
level being changed
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.
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.
Folding the ball neck in
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Pull release switch 2 until the ball neck
unlocks.
The ball neck will fold up under the rear
bumper.
Indicator lamp 1 will flash.
When coupling up or uncoupling a trailer,
make sure that:
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Push the ball neck in the direction of the
arrow until it engages audibly behind the
bumper.
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The doors or tailgate are not opened or
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Pull the ball neck in the direction of the
closed.
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 lock message
will appear on the multifunction display.
Indicator lamp 1 will go out and the mes‐
sage on the multifunction display will disap‐
pear.
#
You do not initiate the level control sys‐
tem and do not operate the DYNAMIC
SELECT switch.
Observe the information about the displays on
the instrument cluster:
#
Do not lock or unlock the vehicle.
R
Indicator and warning lamps (/ page 499)
Display messages (/ page 444)
Requirements:
R
R
The ball neck is extended and engaged in a
securely locked position.
English 
