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 quali-
fied 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 observe the instructions and safety
notes on "Changing a wheel"
(Y page 297).
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.
! On vehicles equipped with a tire pressure
monitor, electronic components are located
in the wheel.
Tire-mounting tools should not be used near
the valve. This could damage the electronic
components.
Only have tires changed at a qualified spe-
cialist workshop. X
Clean the wheel and wheel hub contact sur-
faces.
X Slide the new wheel onto the wheel hub and
push it on.
X Screw in the wheel bolts and tighten them
lightly.
Lowering the vehicle G
WARNING
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened to the
prescribed tightening torque. There is a risk
of an accident.
Ensure that the wheel bolts or wheel nuts
are tightened to the prescribed tightening
torque.
If you are not sure, do not move the vehicle.
Contact a qualified specialist workshop and
have the tightening torque checked immedi-
ately. :—A
Wheel bolts
X Place the adapter and the ratchet on the
hexagon head nut of the jack such that the
lettering AB/DOWN is visible.
X Turn the ratchet in the AB/DOWN direction
until the vehicle is once again standing
firmly on the ground.
X Put the jack aside.
X Tighten the wheel bolts evenly in a cross-
wise pattern in the sequence indicated (:
to A).
Tighten the wheel bolts to the following
tightening torques:
R Steel wheel 147 lb-ft (200 Nm)
R Alloy wheel 133 lb-ft (180 Nm)300
Changing wheels
Wheels and tires
