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Flat tyre
Preparing the vehicle
Your vehicle may be equipped with:
tyres with run-flat characteristics
R
(MOExtended tyres) (
Vehicle preparation is not necessary on vehi-
cles with MOExtended tyres.
a TIREFIT kit (
page 288)
R
Y
an emergency spare wheel (certain countries
R
only) (
page 318)
Y
Vehicles with MOExtended tyres are not equip-
ped with a TIREFIT kit at the factory. It is there-
fore recommended that you additionally equip
your vehicle with a TIREFIT kit if you fit tyres that
do not feature run-flat characteristics, e.g. win-
ter tyres. A TIREFIT kit can be obtained from a
qualified specialist workshop.
Information on changing and fitting a wheel
(
page 312).
Y
Stop the vehicle as far away as possible from
X
traffic on solid, non-slippery and level ground.
Switch on the hazard warning lamps.
X
Safeguard the vehicle against rolling away
X
(
page 153).
Y
If possible, bring the front wheels into the
X
straight-ahead position.
Switch off the engine.
X
Vehicles without KEYLESS-GO: remove the
X
key from the ignition lock.
Vehicles with KEYLESS-GO: open the driv-
X
er'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 132).
Y
Make sure that the passengers are not endan-
X
gered as they do so. Make sure that no one is
near the danger area while a wheel is being
changed. Anyone who is not directly assisting
in the wheel change should, for example,
stand behind the barrier.
Get out of the vehicle. Pay attention to traffic
X
conditions when doing so.
Close the driver's door.
X
Place the warning triangle at a suitable dis-
X
tance (
page 287). Observe legal require-
Y
ments.
page 289)
Y
MOExtended tyres (tyres with run-flat
characteristics)
General notes
With MOExtended tyres (tyres with run-flat char-
acteristics), you can continue to drive your vehi-
cle even if there is a total loss of pressure in one
or more tyres. The affected tyre must not show
any clearly visible damage.
You can recognise MOExtended tyres by the
MOExtended marking which appears on the tyre
wall. You will find this marking next to the tyre
size designation, the load-bearing capacity and
the speed index.
MOExtended tyres may only be used in conjunc-
tion with an activated tyre pressure loss warning
system or tyre pressure monitor.
If a pressure loss warning message appears
in the multifunction display:
observe the instructions in the display mes-
R
sages (
page 237)
Y
check the tyre for damage
R
if driving on, observe the following notes
R
The driving distance possible in run-flat mode is
approximately 80 km when the vehicle is parti-
ally laden and approximately 30 km when the
vehicle is fully laden.
In addition to the vehicle load, the driving dis-
tance possible depends upon:
vehicle speed
R
road condition
R
outside temperature
R
The driving distance possible in run-flat mode
may be reduced by extreme driving conditions/
manoeuvres, or it can be increased through a
moderate style of driving.
The driving distance possible in run-flat mode is
counted from the moment the tyre pressure loss
warning appears in the multifunction display.
You must not exceed a maximum speed of
80 km/h.
When replacing one or all tyres, observe the fol-
lowing specifications for your vehicle's tyres:
size
R
type and
R
the "MOExtended" mark
R
If a tyre has gone flat and cannot be replaced
with an MOExtended tyre, a standard tyre may
be used as a temporary measure. Make sure
Flat tyre
289
Z
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