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Flat tire
Preparing the vehicle
Your vehicle may be equipped with:
R
MOExtended tires (tires with run-flat proper-
ties) (Y page 315)
Vehicle preparation is not necessary on vehi-
cles with MOExtended tires.
R
a TIREFIT kit (Y page 314)
Vehicles equipped with MOExtended tires are
not equipped with a TIREFIT kit at the factory. It
is therefore recommended that you additionally
equip your vehicle with a TIREFIT kit if you mount
tires that do not feature run-flat characteristics,
e.g. winter tires. A TIREFIT kit may be obtained
from a qualified specialist workshop.
Vehicles with a Mercedes-Benz emergency call
system which are not equipped with a TIREFIT
kit: in the event of a flat tire, contact the Cus-
tomer Assistance Center for the Mercedes-Benz
emergency call system (Y page 294).
Information on changing and mounting wheels
(Y page 351).
X
Stop the vehicle on solid, non-slippery and
level ground, as far away as possible from
traffic.
X
Switch on the hazard warning lamps.
X
Secure the vehicle against rolling away
(Y page 152).
X
If possible, bring the front wheels into the
straight-ahead position.
X
Switch off the engine.
X
Remove the SmartKey from the ignition lock.
or, in vehicles with KEYLESS-GO start-function
or KEYLESS‑GO
X
Open the driver's door.
The vehicle electronics are now in position
u. which is the same as the SmartKey having
been removed.
X
Remove the Start/Stop button from the igni-
tion lock (Y page 132).
X
Make sure that the engine cannot be started
via your smartphone (Y page 134).
X
Make sure that the passengers are not endan-
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.
X
Get out of the vehicle. Pay attention to traffic
conditions when doing so.
X
Close the driver's door.
Vehicles with MOExtended tires (tires
with run-flat characteristics)
General notes
With MOExtended tires (tires 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 tires. The affected tire must not show
any clearly visible damage.
You can recognize a MOExtended tire by the
MOExtended marking which appears on the
sidewall of the tire. You will find this marking
next to the tire size designation, the load-bear-
ing capacity and the speed index (Y page 345).
MOExtended tires may only be used in conjunc-
tion with an active tire pressure loss warning
system or with an active tire pressure monitor.
If a pressure loss warning message appears
in the multifunction display:
R
observe the instructions in the display mes-
sages (Y page 250)
R
check the tire for damage
R
if driving on, observe the following notes
The driving distance possible in run-flat mode is
approximately 50 miles (80 km) when the vehi-
cle is partially laden. When the vehicle is fully
laden it is approximately 19 miles (30 km).
In addition to the vehicle load, the driving dis-
tance possible depends upon:
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vehicle speed
R
road condition
R
outside temperature
The driving distance possible in run-flat mode
may be reduced by extreme driving conditions
or maneuvers, 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 tire pressure loss
warning appears in the multifunction display.
You must not exceed a maximum permissible
speed of 50 mph (80 km/h).
Flat tire
315
Breakdown assistance
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