Lowering The Vehicle - Mercedes-Benz S-Class Operator's Manual

Changing a wheel
412
Always pay attention to the instructions and
safety notes in the "Changing a wheel"
section ( page 407).
Y
Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety
reasons, Mercedes-Benz recommends that
you only use wheel bolts which have been
approved for Mercedes-Benz vehicles and the
respective wheel.
! AMG vehicles: during removal and
repositioning of the wheel, the wheel rim
can strike the ceramic-brake disc and
damage it. Therefore, take precautions and
get a second person to assist you.
Alternatively, you can use a second
alignment bolt.
! To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
Clean the wheel and wheel hub contact
X
surfaces.
Slide the wheel to be mounted onto the
X
alignment bolt and push it on.
Tighten the wheel bolts until they are
X
finger-tight.
Unscrew the alignment bolt.
X
Tighten the last wheel bolt until it is finger-
X
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.
Place the ratchet wrench onto the hexagon
X
nut of the jack so that the letters AB are
visible.
Turn the ratchet wrench until the vehicle is
X
once again standing firmly on the ground.
Place the jack to one side.
X
Tighten the wheel bolts evenly in a
X
crosswise pattern in the sequence
indicated (: to A). The tightening torque
must be 110 lb-ft(150 Nm).
Turn the jack back to its initial position.
X
Stow the jack and the rest of the vehicle
X
tools in the trunk again.
AMG vehicles and vehicles with AMG
X
equipment: insert the cover into the outer
sill.
Check the tire pressure of the newly
X
mounted wheel and adjust it if necessary.
Observe the recommended tire pressure
( page 387).
Y
i
All mounted wheels must be equipped
with functioning sensors for the tire
pressure monitor.