Mercedes-Benz 2008 GL 450 Operator's Manual page 300

2008 gl-class
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Place rear crossbar 7 on roof rails a
in such a way that the clamping claws
reach into gaps 8 ( page 298) on the
roof rails.
Make sure clamping claw 5 lies flush
against the inside of roof rail a as
shown in the illustration ( page 298).
If necessary, adjust clamping width of
crossbars ( page 299).
Slightly tighten screw 4 on both sides
by turning it clockwise.
On the front and rear crossbars tighten
screws 4. Observe a tightening
torque of 4 lb-ft (6 Nm).
Warning!
Have the tightening torque checked after
mounting the crossbars. The screws could
come loose if they are not tightened to a
torque of 4 lb-ft (6 Nm).
Attach cover caps ( page 298) and
lock them.
Store key and Allen wrench back into
the storage well ( page 490).
Adjusting the clamping widths of the
crossbars
Warning!
Only install the crossbars at the exact loca-
tions designated on the roof rails. The desig-
nated locations for the front crossbars are
between the markings engraved on the in-
side of the roof rails ( page 298). The des-
ignated locations for the rear crossbars are
between the gaps on the roof rails
( page 298).
G
Otherwise, the crossbars ( page 298),
mounted accessories and the objects at-
tached to them could come loose from the
vehicle causing an accident, thereby injuring
you and other persons and/or causing dam-
age to property, including damage to your
vehicle.
Controls in detail
The clamping widths of the crossbars are
factory set for your vehicle. These clamp-
ing widths are solely intended for the des-
ignated positions.
Only install the crossbars at the designat-
ed locations and pay attention to the
G
stickers 3 FRONT and REAR
( page 298).
4 Screw for clamping claw
5 Clamping claw
b Screws for adjusting clamping width
(2 in total for each side)
c Cover strip
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299

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