Wheels and tyres, Changing a wheel – Mercedes-Benz 2013 GLS Class User Manual
Page 387
X
Unscrew the uppermost wheel bolt com-
pletely.
X
Screw centring pin : into the thread
instead of the wheel bolt.
X
Unscrew the remaining wheel bolts fully.
X
Remove the wheel.
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"
(
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.
!
AMG vehicle with ceramic brake
discs: during removal and repositioning of
the wheel, the wheel rim can strike the
ceramic-brake disc and damage it. There-
fore, take precautions and have a second
person assist you. Alternatively, you can
use a second centring pin.
Attaching a wheel (example: vehicle with emer-
gency spare wheel)
X
Clean the wheel and wheel hub contact
surfaces.
X
Slide the wheel to be mounted onto the
centring pin and push it on.
X
Tighten the wheel bolts until they are fin-
ger-tight.
X
Unscrew the centring pin.
X
Tighten the last wheel bolt until it is finger-
tight.
X
Vehicles with a collapsible emergency
spare wheel: inflate the collapsible emer-
Only 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.
!
Vehicles with a collapsible emergency
spare wheel: Inflate the collapsible emer-
gency spare wheel using the tyre inflation
compressor before lowering the vehicle.
The rim could otherwise be damaged.
Changing a wheel
385
Wheels and tyres
Z