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& WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut threads or wheel hub/wheel mounting
bolt threads can cause the wheel bolts/
wheel nuts to come loose.
As a result, you could lose a wheel while driv‐
ing.
Never oil or grease the threads.
#
In the event of damage to the threads,
#
contact a qualified specialist workshop
immediately.
Have the damaged wheel bolts or dam‐
#
aged hub threads replaced.
Do not continue driving.
#
Observe the information on the choice of
#
tires (
page 381).
→
For tires with a specified direction of rotation, an
arrow on the side wall of the tire indicates the
correct direction of rotation. Observe the direc‐
tion of rotation when installing.
Slide the wheel to be mounted onto the cen‐
#
tering pin and push it on.
& WARNING Risk of injury from tightening
wheel bolts and nuts
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could tip.
Only tighten wheel bolts or wheel nuts
#
when the vehicle is on the ground.
For safety reasons, only use wheel bolts
#
which have been approved by Mercedes-
Benz and for the wheel in question.
* NOTE Damage to paintwork of the wheel
rim when screwing on the first wheel bolt
If the wheel has too much play when screw‐
ing in the first wheel bolt, the wheel rim paint
can be damaged.
Press the wheel firmly against the
#
wheel hub when screwing on the first
wheel bolt.
Wheels and tires 389
Tighten the wheel bolts until they are finger-
#
tight.
Unscrew the centering pin.
#
Tighten the last wheel bolt until it is finger-
#
tight.
Lower the vehicle (
page 389).
→
#
Lowering the vehicle after a wheel change
Requirements:
The new wheel has been installed
R
(
page 388).
→
Place the ratchet wrench onto the hexagon
#
nut of the jack so that the lettering "AB" is
visible.
To lower the vehicle: turn the ratchet
#
wrench of the jack counter-clockwise.
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