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NOTICE
Using an impact wrench to loosen or tighten
the wheel lock bolt can damage the wheel
lock bolt. There is a risk of damage to prop-
erty. Only use a lug wrench to loosen and
tighten the wheel lock bolt.
Securing the vehicle against rolling
away
General information
The vehicle manufacturer recommends to ad-
ditionally secure the vehicle against rolling
away when changing a wheel.
On a level surface
Place wheel chocks or other suitable objects in
front and behind the wheel that is diagonal to
the wheel to be changed.
On a slight downhill gradient
If you need to change a wheel on a slight
downhill grade, place chocks and other suit-
Online Edition for Part no. 01405A89334 - VI/23
Wheels and tires
able objects, for instance rocks, under the
proper side of the wheels of both the front and
rear axles to block the car from rolling downhill.
Lug bolt lock
Principle
The wheel lug bolts have a special coding. The
lug bolts can only be released with the adapter
which matches the coding.
Overview
The adapter of the lug bolt lock is in the on-
board vehicle tool kit or in a storage compart-
ment close to the onboard vehicle tool kit.
▷
Lug lock bolt, arrow 1.
▷
Adapter, arrow 2.
Unscrewing
1.
Attach the adapter to the lug lock bolt.
2.
Unscrew the lug lock bolt.
3.
Remove the adapter after unscrewing the
lug bolt.
Screwing on
1.
Attach the adapter to the lug lock bolt. If
necessary, turn the adapter until it fits on
the lug lock bolt.
2.
Screw on the lug lock bolt. The tightening
torque is 101 lbs ft/140 Nm.
3.
Remove the adapter and stow it after
screwing on the lug bolt.
MOBILITY
297
OwnersManuals2.com
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