Clean thecontactsurfaces of thewheel and
thebrakedisc thoroughly every timeawheel
is rotated. Checkthe tirepressureand,ifnec-
essary, restartthe tirepressureloss warning
system or thetirepressuremonitor.
Direction of rotation
Tireswithaspecifieddirection of rotationhave
additional benefits, e.g.ifthere is ariskof
hydroplaning.Theseadvantages can only be
gained if thetires are installed corresponding
to thedirection of rotation.
An arrow on thesidewall of thetireindicates
its correct direction of rotation.
Storing wheels
Store wheelsthatare notbeingused in acool,
dry and preferably dark place. Protect thetires
from oil, grease, gasolineand diesel.
Mounting awheel
Preparingthe vehicle
X
Stop thevehicle on solid,non-slippery and
levelground.
X
Apply theelectric parking brakemanually.
X
Bring thefront wheelsintothe straight-
ahead position.
X
Shift thetransmission to position j.
X
Switch off theengine.
X
Vehicles without KEYLESS-GO: remove
theSmartKey from theignition lock.
X
Vehicles with KEYLESS-GO: open thedriv-
er'sdoor.
The vehicle electronics nowhave status 0.
This is thesame as theSmartKey having
been removed.
X
Vehicles with KEYLESS-GO: remove the
Start/Stopbuttonfromthe ignition lock
(Y page 118).
X
If included in thevehicle equipment, remove
thetire-changetoolkit from thevehicle.
X
Safeguardthe vehicle against rolling away.
i
Due to differences in vehicle equipment,
notall vehiclesare equipped withatire-
changetoolkit.For informationonwhich
tools are required to performawheel
changeonyour vehicle,consultanauthor-
izedMercedes-BenzCenter.
Necessary tire-changing tools can include,
for example:
R
Jack
R
Wheelchock
R
Lug wrench
Securing thevehicle to prevent it from
rolling away
If your vehicle is equipped withawheel chock,
it can be foundinthe tire-changetoolkit
(Y page 253).
The folding wheel chockisanadditional safety
measure to preventthe vehicle from rolling
away, for example when changing awheel.
X
Foldbothplates upwards :.
X
Foldout lower plate ;.
X
Guide thelugs on thelower platefully into
theopeningsinbase plate =.
X
Placechocksorother suitable items under
thefront and rear of thewheel that is diago-
nallyoppositethe wheel you wish to
change.
290
Changing awheel
Wheels and tires
