If a tyre inflation pressure check is
required
Message
A symbol with a Check Control message is
shown on the Control Display.
Symbol Possible cause
The tyre was not inflated properly,
for example insufficient air was
added or there was a natural, even
loss of tyre inflation pressure.
Action
Check the tyre inflation pressure and adjust as
necessary.
If the tyre inflation pressure is
insufficient
Message
A yellow warning lamp is illuminated in
the instrument cluster.
In addition, a symbol with a Check Control mes‐
sage is shown on the Control Display.
Symbol Possible cause
There has been a loss of tyre infla‐
tion pressure.
Action
1.
Reduce speed. Do not exceed a speed of
130 km/h, 80 mph.
2. At the next opportunity, for example at a filling
station, check the tyre inflation pressure in all
four tyres and correct if necessary.
If there is a significant loss of tyre
inflation pressure
Message
A yellow warning lamp is illuminated in
the instrument cluster.
In addition, a symbol with the affected tyre is
shown in a Check Control message on the Con‐
trol Display.
Symbol Possible cause
There is a flat tyre or substantial loss
of tyre inflation pressure.
Action
1.
Reduce your speed and carefully stop the ve‐
hicle. Avoid heavy braking and sudden steer‐
ing manoeuvres.
2. Check whether the vehicle is equipped with
standard tyres or run-flat tyres.
The symbol identifying run-flat tyres is a cir‐
cle with the letters RSC on the tyre sidewall.
Run-flat tyres, see page 373.
3. Follow the description of what to do when the
vehicle gets a flat tyre.
What to do in the event of a flat tyre, see
page 384.
Messages: in the case of tyres
with special approval
General
Dynamic Stability Control DSC will be activated if
necessary as soon as a message for low tyre in‐
flation pressure appears.
Seite 382
MOBILITY
Wheels and tyres
382
Online Edition for Part no. 01405A1EA53 - X/20