Flat tyre
225Changing a wheel and fitting the spar
e
wheel * G
Risk of accident
The wheel dimensions and tyre size of the
emergency spare wheel* may differ from
those of the standard wheels.
Your vehicle's handling characteristics will
change when driving with a collapsibl e
emergency spare wheel*. Adapt your style
of driving accordingly.
The collapsible emergency spare wheel*
must only be used for a short time. Do not
exceed the maximum speed of 80 km/h
and do not deactivate ES P®
.
Never drive the vehicle with more than one
collapsible emergency spare wheel* fitted.G
Risk of accident
Have the collapsible emergency spare
wheel* replaced as soon as possible at a
qualified specialist workshop which has the
necessary specialist knowledge and tools
to carry out the work required. Mercedes-
Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety or on safety-related systems must be car-
ried out at a qualified specialist workshop.
Preparing the vehicle X
Prepare the vehicle as described
(Y page 218).
X Place the wheels in the straight-ahead posi-
tion.
X Take the following from the stowage well
beneath the boot floor:
R
the collapsible emergency spare wheel*
R the vehicle tool kit
R the wheel chock
R the jack
R the air pump
X Secure the vehicle to prevent it from rolling
away .
On level ground :place chocks or similar
under the front and rear of the wheel that
is diagonally opposite the wheel you wish
to change.
X On downhill gradients: place chocks or
similar under both wheels of the other axle. Raising the vehicle
1
Wheel wrenc h
X Using wheel wrench 1, loosen the bolts on
the wheel you wish to change by about one
full turn. Do not unscrew the bolts com -
pletely. G
Risk of accident
If you fail to position the jack correctly, the
vehicle may :
R slip off the jack
R injure you or others
R be damaged
It is thus important to ensure that the jack
is positioned correctly in the respective
jacking points. Before positioning the jack , Practical advice
* optional
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Flat tyre
226 remove any dirt that may have collected in
the jacking points
.
The jacking points for the jack are located
behind the wheel housings of the front wheels
and in front of the wheel housings of the rear
wheels. 1
Jacking point
2 Jack
3 Crank
X Position jack 2at jacking point 1. X
Make sure that the base of the jack is posi-
tioned directly under jacking point 1.
X Turn crank 3until the tyre is raised a max-
imum of 3 cm from the ground.
X Unscrew the uppermost wheel bolt com-
pletely. 1
Centring pin
X In place of the wheel bolt, screw centring
pin 1from the vehicle tool kit into the
thread.
X Unscrew the remaining wheel bolts fully.
! Do not place wheel bolts in sand or on a
dirty surface. This could cause damage to
the bolt and wheel hub threads.
X Remove the wheel.
Fitting a new wheel G
Risk of acciden
t
Replace damaged or corroded wheel bolts.
Never oil or grease wheel bolts. Practical advice
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