Mercedes-Benz SL 550 BlueEFFICIENCY, Operator'S Manual

Page: 553 / 572

=
Jacking points
?
Jack
A
Crank
X
Position jack
?
at jacking point
=
.
Example
X
Make sure the foot of the jack is directly
beneath the jacking point.
X
Turn crank
A
clockwise until jack
?
sits
completely on jacking point
=
and the
base of the jack lies evenly on the ground.
X
Turn crank
A
until the tire is raised a
maximum of 1.2 in (3 cm) off the ground.
Removing a 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.
! Do not place wheel bolts in sand or on a
dirty surface. The bolt and wheel hub
threads could otherwise be damaged when
you screw them in.
X
Unscrew the uppermost wheel bolt
completely.
X
Screw alignment bolt
:
into the thread
instead of the wheel bolt.
X
Unscrew the remaining wheel bolts fully.
X
Remove the wheel.
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 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 notices in "Changing a wheel"
(
Y
page 547).
Changing a wheel
551
Wheels and tires
Z