external force on the brake discs. This could
impair the level of comfort when braking.
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.
It is imperative to observe the instructions and
safety notes on "Changing a wheel"
(
Y
page 361).
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.
!
Mercedes AMG vehicles with ceramic-
brake disc: during removal and repositioning
of the wheel, the wheel rim can strike the
ceramic-brake disc and damage it. Therefore,
take precautions and have a second person
assist you. Alternatively, you can use a sec-
ond centring pin.
X
Clean the wheel and wheel hub contact sur-
faces.
X
Slide the wheel to be mounted onto the cen-
tring pin and push it on.
X
Tighten the wheel bolts until they are finger-
tight.
X
Unscrew the centring pin.
X
Tighten the last wheel bolt until it is finger-
tight.
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.
X
Turn the crank of the jack anti-clockwise until
the vehicle is once again standing firmly on
the ground.
X
Place the jack to one side.
Changing a wheel
365
Wheels
and
tyres
Z