X
Make sure the foot of the jack is directly
beneath the jacking point.
X
Turn ratchet wrench
?
until jack
=
sits
completely on jacking point
;
and the base
of the jack lies evenly on the ground.
X
Turn ratchet wrench
?
until the tire is raised
a maximum of 1.2 in (3 cm) off the ground.
Removing a wheel
!
Do not place wheel bolts in sand or on a dirty
surface. The bolt and wheel hub threads could
otherwise be damaged when you screw them
in.
X
Unscrew the uppermost wheel bolt com-
pletely.
X
Screw alignment bolt
:
into the thread
instead of the wheel bolt.
X
Unscrew the remaining wheel bolts fully.
X
Remove the wheel.
Mounting 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 notes in the "Changing a wheel" section
(
Y
page 369).
Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety rea-
sons, Mercedes-Benz recommends that you
only use wheel bolts which have been approved
for Mercedes-Benz vehicles and the respective
wheel.
!
To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
X
Clean the wheel and wheel hub contact sur-
faces.
X
Slide the wheel to be mounted onto the align-
ment bolt and push it on.
X
Tighten the wheel bolts until they are finger-
tight.
X
Unscrew the alignment bolt.
X
Tighten the last wheel bolt until it is finger-
tight.
372
Changing a wheel
Wheels
and
tires
Summary of Contents for GLC
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