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MOBILITY
Icon
Possible cause
Inflation was not carried out according
to specifications, for instance when the
tire has not been sufficiently inflated or
in the case of a natural steady tire pres‐
sure loss.
Measure
Check the tire pressure and correct as needed.
If the tire inflation pressure is too
low
Message
A yellow warning light is illuminated in
the instrument cluster.
In addition, an icon with a Check Control mes‐
sage appears on the Control Display.
Icon
Possible cause
There is a tire pressure loss.
Measure
1.
Reduce the vehicle speed. Do not exceed a
speed of 80 mph/130 km/h.
2.
At the next opportunity, for instance at a filling
station, check the tire inflation pressure in all
four tires and correct if necessary.
If there is a significant tire pressure
loss
Message
A yellow warning light is illuminated in
the instrument cluster.
In addition, an icon with the affected tire appears
in a Check Control message on the Control Dis‐
play.
332
Wheels and tires
Online Edition for Part no. 01405A38D29 - VI/21
Icon
Possible cause
There is a flat tire or a major tire pres‐
sure loss.
Measure
1.
Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu‐
vers.
2.
Check whether the vehicle is fitted with nor‐
mal tires or run-flat tires.
Run-flat tires are labeled with a circular icon
containing the letters RSC marked on the tire
sidewall.
Run-flat tires, refer to page 323.
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 334.
Messages: for tires with special
approval
General information
A low tire inflation pressure may cause the DSC
Dynamic Stability Control to be switched on.
Safety information
Warning
A damaged regular tire with low or missing tire
inflation pressure impacts handling, such as
steering and braking response. Run-flat tires
can maintain limited stability. There is a risk of
accident. Do not continue driving if the vehicle
is equipped with normal tires. Follow the infor‐
mation on run-flat tires and continued driving
with these tires.
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