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hubs could otherwise be damaged when
the bolts are tightened.
Unscrew the uppermost wheel bolt com-
X
pletely.
Screw centring pin : into the thread
X
instead of the wheel bolt.
Unscrew the remaining wheel bolts fully.
X
Remove the wheel.
X
Fitting a new wheel
G
WARNING
Oiled or greased wheel bolts or damaged
wheel bolts/hub threads can cause the wheel
bolts to come loose. As a result, you could
lose a wheel while driving. There is a risk of
accident.
Never oil or grease wheel bolts. In the event of
damage to the threads, contact a qualified
specialist workshop immediately. Have the
damaged wheel bolts or hub threads
replaced/renewed. Do not continue driving.
G
WARNING
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could tip
over. There is a risk of injury.
Only tighten the wheel bolts or wheel nuts
when the vehicle is on the ground.
Always pay attention to the instructions and
safety notices in "Changing a wheel"
(
page 605).
Y
Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety rea-
Changing a wheel
sons, Mercedes-Benz recommends that you
only use wheel bolts which have been
approved for Mercedes-Benz vehicles and the
respective wheel.
! AMG vehicles: during removal and repo-
sitioning of the wheel, the wheel rim can
strike the ceramic-brake disc and damage
it. Therefore, take precautions and get a
second person to assist you. Alternatively,
you can use a second centring pin.
Clean the wheel and wheel hub contact
X
surfaces.
Slide the wheel to be mounted onto the
X
centring pin and push it on.
Tighten the wheel bolts until they are fin-
X
ger-tight.
Unscrew the centring pin.
X
Tighten the last wheel bolt until it is finger-
X
tight.
Vehicles with a collapsible emergency
X
spare wheel: inflate the collapsible emer-
gency spare wheel (
then lower the vehicle.
Lowering the vehicle
G
WARNING
The wheels could work loose if the wheel nuts
and bolts are not tightened to the specified
tightening torque. There is a risk of accident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed.
page 615). Only
Y
Z
609
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