Mounting A New Wheel - Mercedes-Benz GLC Operator's Manual

Changing a wheel
372
Make sure the foot of the jack is directly
X
beneath the jacking point.
Turn ratchet wrench ? until jack = sits
X
completely on jacking point ; and the base
of the jack lies evenly on the ground.
Turn ratchet wrench ? until the tire is raised
X
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.
Unscrew the uppermost wheel bolt com-
X
pletely.
Screw alignment bolt : into the thread
X
instead of the wheel bolt.
Unscrew the remaining wheel bolts fully.
X
Remove the wheel.
X

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
( page 369).
Y
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.
Clean the wheel and wheel hub contact sur-
X
faces.
Slide the wheel to be mounted onto the align-
X
ment bolt and push it on.
Tighten the wheel bolts until they are finger-
X
tight.
Unscrew the alignment bolt.
X
Tighten the last wheel bolt until it is finger-
X
tight.