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Changing a wheel
324
The wear patterns on the front and rear tyres
differ, depending on the operating conditions.
Interchange the wheels before a clear wear
pattern has formed on the tyres. Front tyres
typically wear more on the shoulders and the
rear tyres in the centre.
On vehicles that have the same size front and
rear wheels, you can interchange the wheels
every 5,000 to 10,000 km depending on the
degree of tyre wear. Ensure the direction of
rotation is maintained.
Clean the contact surfaces of the wheel and
the brake disc thoroughly every time a wheel
is interchanged. Check the tyre pressure and,
if necessary, restart the tyre pressure loss
warning system or the tyre pressure monitor.
Direction of rotation
Tyres with a specified direction of rotation
have additional benefits, e.g. if there is a risk
of aquaplaning. You will only gain these ben-
efits if the correct direction of rotation is
observed.
An arrow on the sidewall of the tyre indicates
its correct direction of rotation.
Storing wheels
Store wheels that are not being used in a cool,
dry and preferably dark place. Protect the
tyres against oil, grease, petrol and diesel.
Cleaning the wheels
G
WARNING
The water jet of circular-jet nozzles (dirt grind-
ers) can cause damage not visible from the
outside to tyres or chassis components. Com-
ponents damaged in this way can unexpect-
edly fail. There is a risk of an accident.
Do not use high-pressure cleaners with circu-
lar-jet nozzles to clean the vehicle. Have dam-
aged tyres or chassis components replaced
immediately.
Fitting a wheel
Preparing the vehicle
Stop the vehicle on solid, non-slippery and
X
level ground.
Apply the electric parking brake manually.
X
Move the front wheels to the straight-
X
ahead position.
Vehicles with manual transmission:
X
depress the clutch pedal fully and engage
first or reverse gear.
Vehicles with automatic transmission:
X
move the selector lever to P.
Switch off the engine.
X
Vehicles without KEYLESS-GO: remove
X
the key from the ignition lock.
Vehicles with KEYLESS-GO: open the
X
driver's door.
The on-board electronics now have status
0. This is the same as the key having been
removed.
Vehicles with KEYLESS-GO: remove the
X
Start/Stop button from the ignition lock
(
page 141).
Y
If included in the vehicle equipment,
X
remove the tyre-change tool kit from the
vehicle.
Secure the vehicle to prevent it from rolling
X
away.
i
Not all vehicles are fitted with a tyre-
change tool kit. For information on which
tools are required to perform a wheel
change on your vehicle, consult a
Mercedes-Benz Service Centre.
Necessary wheel-changing tools may
include, for example:
jack
R
wheel chock
R
wheel wrench
R
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