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Advice
Changing a wheel
Fig. 131 Changing a wheel: loosen wheel
bolts with the socket at the end of the wheel
brace
Removing the wheel
●
Loosen the wheel bolts ››› page 175.
●
Jacking up the vehicle ››› page 177.
●
Using the hexagonal socket in the wheel
brace ››› Fig. 131
, unscrew the slackened
wheel
bo
lts and place them on a clean sur-
face.
●
Take off the wheel.
How to use the spare wheel or temporary
spare wheel
Check the direction of rotation of the tyre
››› page 167, Tyre code.
●
Place the spare wheel or temporary spare
wheel into position.
●
Replace the wheel bolts and tighten slight-
ly using the hexagonal socket on the end of
the wheel brace.
●
To tighten the anti-theft locking wheel bolts
use the corresponding adaptor.
●
Lower the car with the jack.
●
Tighten all of the wheel bolts clockwise
›››
. Tighten the bolts in diagonal pairs (not
in a circle).
●
Put the caps, trim or full hubcap back on
››› page 174
.
WARNING
If the wheel bolts are not treated suitably or
not tightened to the correct torque then this
could lead to loss of vehicle control and to a
serious accident.
●
All the wheel bolts and hub threads should
be clean and free of oil and grease. The wheel
bolts should be easily tightened to the cor-
rect torque.
●
The hexagonal socket in the wheel brace
should be used for turning wheel bolts only.
Do not use it to loosen or tighten the wheel
bolts.
After changing the wheel
●
Clean the vehicle tools, if necessary and
put them away in the luggage compartment
foam holder
›››
page 172
.
●
St
or
e the spare wheel, the temporary spare
wheel or the changed wheel securely in the
luggage compartment.
●
Have the tightening torque of the wheel
bolts checked as soon as possible with a tor-
que wrench ››› page 176.
●
Have the flat tyre replaced as quickly as
possible.
Tyre repair
TMS (Tyre Mobility System)*
The Anti-puncture kit* (Tyre Mobility System)
will reliably seal punctures caused by the
penetration of a foreign body of up to about
4 mm
in diameter.
Do not remove foreign ob-
j
ects, e.g. screws or nails, from the tyre.
After inserting the sealant residue in the tyre,
you must again check the tyre pressure about
10 minutes after starting the engine.
You should only use the tire mobility set if
the vehicle is parked in a safe place, you are
familiar with the procedure and you have the
necessary tire mobility set! Otherwise, you
should seek professional assistance.
The tyre sealant must not be used in the
following cases:
●
If the wheel rim has been damaged.
178
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