248 If and when
Note
Please observe legal requirements when doing so.
Changing a wheel
Change the wheel as described below.
– Remove the wheel cover.
– Loosen the wheel bolts ⇒ page 249.
– Raise the vehicle with the jack ⇒ page 250.
– Take off the wheel with the flat tyre and then put on the spare
wheel ⇒ page 251.
– Lower the vehicle.
– Tighten the wheel bolts firmly in diagonal sequence with the
box spanner ⇒ page 249.
– Replace the cover.
After changing a wheel
After changing the wheel, there are still tasks to complete.
– Place the wheel with the defective tyre in the spare wheel well
and secure it.
– Put the tools and jack back in the luggage compartment.
– The inflation pressure of the newly fitted spare tyre must be
checked as soon as possible.
– Have the tightening torque of the wheel bolts checked as soon
as possible with a torque wrench. It must be 120 Nm (always
when cold)
– Have the flat tyre replaced as quickly as possible.
Note
● If you notice that the wheel bolts are rusty and difficult to turn when
changing a wheel, they must be replaced before having the tightening tor-
que checked.
● For safety reasons, drive at moderate speeds until the wheel bolt tight-
ening torque has been checked.
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