Lowering The Vehicle - Mercedes-Benz 2015 SLK Operator's Manual

Changing a wheel
336
Unscrew the uppermost wheel bolt com-
X
pletely.
Screw alignment bolt : into the thread
X
instead of the wheel bolt.
Unscrew the remaining wheel bolts fully.
X
Remove the wheel.
X
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 notes in the "Changing a wheel" sec-
tion ( page 332).
Y
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.
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 fin-
X
ger-tight.
Unscrew the alignment bolt.
X
Tighten the last wheel bolt until it is finger-
X
tight.
Vehicles with a collapsible spare wheel:
X
inflate the collapsible spare wheel
( page 342). Only then lower the vehicle.
Y

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.