The wear patterns on the front and rear tyres
differ depending on the operating conditions.
Interchange the wheels before a clear wear pat-
tern has formed on the tyres. Front tyres typi-
cally 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 that 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 warn-
ing 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 aqua-
planing. These advantages can only be gained if
the tyres are fitted corresponding to the direc-
tion of rotation.
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.
Fitting a wheel
Preparing the vehicle
X
Vehicles with an emergency spare wheel:
when fitting the emergency spare wheel in the
event of a flat tyre, observe the additional
notes on vehicle preparation under "Flat tyre"
(
Y
page 388).
X
Stop the vehicle on solid, non-slippery and
level ground.
X
Apply the electric parking brake manually.
X
Unload heavy luggage.
X
Move the front wheels to the straight-ahead
position.
X
Shift the transmission to position P.
X
Vehicles with the AIRMATIC package:
make sure that the normal vehicle level is
selected (
Y
page 222).
X
Vehicles with the Off-Road Engineering
package: make sure that the normal vehicle
level is selected (
Y
page 216).
X
Switch off the engine.
X
Vehicles without KEYLESS-GO: remove the
key from the ignition lock.
X
Vehicles with KEYLESS-GO: open the driv-
er's door.
The on-board electronics now have status 0.
This is the same as the key having been
removed.
X
Vehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock
(
Y
page 158).
X
If included in the vehicle equipment, remove
the tyre-change tool kit from the vehicle.
X
Safeguard the vehicle against rolling away.
i
Apart from certain country-specific varia-
tions, vehicles are not equipped 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 tyre-changing tools may include,
for example:
R
Jack
R
Wheel chock
R
Wheel wrench
Securing the vehicle against rolling
away
If your vehicle is equipped with a wheel chock, it
can be found in the tyre-change tool kit
(
Y
page 387).
414
Changing a wheel
Wheels
and
tyres
