Operation Manual

240 Roof racks, Caravan and trailer towing
Fitting the coupling ball bar
Disengage and fold down the socket.
Remove the sealing plug from the hole for
the coupling ball bar and stow it in the
luggage compartment.
Checking the tensioning of the coupling
ball bar
z Red marking on turn knob points
towards white marking on coupling ball
bar.
z Gap of approx. 6 millimetres between
rotary knob and coupling ball bar.
z Key is in lock at position 1.
Otherwise, the coupling ball bar must be
tensioned before it is inserted into the
coupling housing:
z Unlock coupling ball bar (key to position
1) – see Fig. 17222 T.
z Pull turn knob out and then turn it
clockwise as far as it will go – see Fig.
17223 T.