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MOBILITY
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Possible cause
There is a flat tire or a major tire
pressure loss.
No reset was performed for the sys-
tem. The system issues a warning
based on the tire inflation pressures
stored during the last reset.
Measure
1.
Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu-
vers.
2.
Check whether the vehicle is fitted with
standard tires or runflat tires.
Runflat tires are labeled with a circular icon
containing the letters RSC marked on the
tire sidewall.
Runflat tires, refer to page 299.
3.
Read the description on what to do in case
of a flat tire.
Actions in the event of a flat tire, refer to
page 310.
Actions in the event of a flat tire
Standard tires
1.
Identify the damaged tire.
Check the tire pressure in all four tires,
for instance using the tire pressure display
from a tire repair set.
For tires with special approval: when the
tire pressure in all four tires is correct, the
Tire Pressure Monitor may not have been
reset. In this case, perform the reset.
If tire damage cannot be found, contact an
authorized service center or another quali-
fied service center or repair shop.
2.
Repair the flat tire, for instance with a tire
repair set or by changing the wheel.
Use of sealing compound, for instance from
the flat tire kit, may damage the wheel elec-
310
Wheels and tires
Online Edition for Part no. 01405A5F6E0 - VI/22
tronics. Have the electronics replaced at the
next opportunity.
Runflat tires
Safety information
Warning
The vehicle handles differently when a runflat
tire has insufficient or no tire pressure; for
instance, reduced directional stability when
braking, braking distances are longer and the
self-steering properties will change. There is
a risk of accident. Drive moderately and do
not exceed a speed of 50 mph/80 km/h.
Maximum speed
You may continue driving with a damaged tire
at speeds up to 50 mph/80 km/h.
Continued driving with a flat tire
Follow the following when continuing to drive
with a damaged tire:
1.
Avoid sudden braking and steering maneu-
vers.
2.
Do not exceed a speed of
50 mph/80 km/h.
3.
Check the tire inflation pressure in all four
tires at the next opportunity.
Possible distance traveled with a
depressurized tire
The possible distance which may be safely
traveled varies depending on how the vehicle
is loaded and used, e.g., speed, road condi-
tions, outside temperature. The distance trav-
eled may be less but may also be more if an
economical driving style is used.
If the vehicle is loaded with an average
weight and used under favorable conditions,
the possible distance traveled may be up to
50 miles/80 km.
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