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ert lateral forces on the vehicle or pull abruptly
on the vehicle. Have a stuck wheel removed by
a dealer’s service center or another qualified
service center or repair shop.
Securing the vehicle against
rolling
General information
The vehicle manufacturer recommends to addi‐
tionally 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 down‐
hill grade, place chocks and other suitable ob‐
jects, for instance a rock, under the wheels of
both the front and rear axles against the rolling
direction.
Lug bolt lock
Concept
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 onboard
vehicle tool kit or in a storage compartment close
to the onboard vehicle tool kit.
▷ Lug bolt, arrow 1.
▷ Adapter, arrow 2.
Unscrewing
1.
Attach the adapter to the lug bolt.
2. Unscrew the lug bolt.
3. Remove the adapter after unscrewing the lug
bolt.
Screwing on
1.
Attach the adapter to the lug bolt. If neces‐
sary, turn the adapter until it fits on the lug
bolt.
2. Screw on the lug bolt. The tightening torque
is 140 Nm.
3. Remove the adapter and stow it after screw‐
ing on the lug bolt.
Preparing the vehicle
▷ Park the vehicle on solid and non-slip ground
at a safe distance from traffic.
Seite 375
Wheels and tires
MOBILITY
375
Online Edition for Part no. 01402667244 - VI/19
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