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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 310).
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
Place the new wheel on the wheel hub and
push it on.
X
Tighten the wheel bolts until they are 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
Place the ratchet wrench onto the hexagon
nut of the jack so that the letters AB are visi-
ble.
X
Turn the ratchet wrench until the vehicle is
once again standing firmly on the ground.
X
Place the jack to one side.
X
Tighten the wheel bolts evenly in a crosswise
pattern in the sequence indicated (: to A).
The specified tightening torque is 96 lb-ft
(130 Nm).
X
Turn the jack back to its initial position.
X
Stow the jack and the rest of the vehicle tools
in the vehicle again.
X
Mercedes-AMG vehicles and vehicles
with AMG Line: use the cover of the outer sill.
X
Check the tire pressure of the newly mounted
wheel and adjust it if necessary.
Observe the recommended tire pressure
(Y page 293).
Canada only: as long as you are driving with the
emergency spare wheel mounted, the tire pres-
sure loss warning system cannot function relia-
bly. Only restart the tire pressure loss warning
system when the defective wheel has been
replaced with a new wheel.
Vehicles with tire pressure monitor (USA
only): all mounted wheels must be equipped
with functioning sensors.
314
Changing a wheel
Wheels and tires
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