Mercedes-Benz B-Class Owner's Manual page 278

F F olding t olding the ball nec he ball neck out k out
Pull switch 2 until the ball neck unlocks.
#
The ball neck will fold out from under the rear
bumper.
Indicator lamp 1 will ash.
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 Trailer coupling Check
appear on the instrument display.
Remove the cover cap 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.
F F olding t olding the ball nec
Pull switch
#
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
on the instrument display will disappear.
Observe the information about the displays on the
instrument cluster:
Indicator and warning lamps (
R
Display messages (
R
Coupling up/uncoupling a trailer Coupling up/uncoupling a tr
lockmessage will
R R eq equir uirements: ements:
The ball neck is extended and engaged in a
R
securely locked position.
Driving and parking 275
he ball neck in k in
2 until the ball neck unlocks.
1 will ash.
1 will go out and the message
page 479)
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page 412)
/
ailer
275