Securing the vehicle on slight downhill gradients
(example: Saloon)
X
On downhill gradients: place chocks or
othe rsuitable items in fron tofthe wheels
of the front and rear axle.
Raising the vehicle G
WARNING
The jack is intended only for lifting the vehicle
briefly for wheel changes.
The vehicle must be placed on stands if you
intend to work under it.
Make sure that the jack is placed on a firm,
non-slip, level surface. Do not use wooden
blocks or similar objects as a jack underlay.
The vehicle could otherwise slip off the jack
and seriously injure you.
Do not start the engine at any time while the
wheel is being changed.
Do not lie under the vehicle when it is being
supported by the jack. If you do not raise the
vehicle as described, it could slip off the jack
(e.g. if the engine is started or a door or the
boot lid/tailgate is opened or closed) and
seriously injure you. G
WARNING
If you fail to position the jack correctly, the
vehicle may:
R slip off the jack
R injure you or others
R be damaged.
Therefore, make sure that the jack is posi-
tioned correctly in the respective jacking points. Before positioning the jack, remove
any dirt that may have collected in the jacking
points. Please note that you must position the
jack in the opening of the jacking point.
X
Using wheel wrench :, loosen the bolts on
the wheel you wish to change by about one
full turn. Do not unscrew the bolts com-
pletely.
The jacking points are located just behind the
front wheel arches and just in front of the rear
wheel arches (arrows). Jacking points (example: Saloon)
X
Position jack =at jacking point ;. Flat tyre
343Breakdown assistance Z
X
Make sure that the base of the jack is posi-
tioned directly under the jacking point.
X Turn crank ?clockwise until jack =sits
completely on jacking point ;and the
base of the jack lies evenly on the ground.
X Turn crank ?until the tyre is raised a max-
imum of 3 cm from the ground.
Removing awheel X
Unscrew the wheel bolts.
! Do not place wheel bolts in sand or dirt.
The threads of the wheel bolts and wheel
hubs could otherwise be damaged when
the bolts are tightened.
X Remove the wheel.
Fitting anew wheel G
WARNING
Replace damaged or corroded wheel bolts.
Never oil or grease wheel bolts. This could
cause the bolts to loose ninthe wheel hub. G
WARNING
If a wheel hub thread is damaged, you must
not drive the vehicle any further. Consult a
qualified specialist workshop which has the
necessary specialist knowledge and tools to
carry out the work required. Mercedes-Benz
recommends that you use aMercedes-Benz
Service Centre or Service 24h for this pur-
pose. In particular, work relevant to safety or
on safety-related systems must be carried out
at a qualified specialist workshop. G
WARNING
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. Other wheel bolts could
work loose or damage the brake system.
Do not tighten the wheel bolts completely
while the vehicle is still jacked up. The vehicle
could topple off the jack.
X Clean the wheel and wheel hub contact
surfaces. X
Slide the emergency spare wheel/spare
wheel onto the wheel hub and push it on.
X Tighten the wheel bolts until they are fin-
ger-tight.
Lowering the vehicle X
Turn the crank of the jack anti-clockwise
until the vehicle is once again standing
firmly on the ground.
X Place the jack to one side. 344
Flat tyreBreakdown assistance