Mercedes-Benz A Series 2015 Owner's Manual page 307

Warning and indicator lamps in the instrument cluster
304
Tyres
Problem
h
The yellow tyre pres-
sure monitor warning
lamp (pressure loss/
malfunction) is lit.
h
The yellow tyre pres-
sure monitor warning
lamp (pressure loss/
malfunction) flashes for
approximately one
minute and then
remains lit.
Possible causes/consequences and M M Solutions
The tyre pressure monitor has detected a loss of pressure in at
least one of the tyres.
G WARNING
Underinflated tyres pose the following risks:
the tyres may burst, especially as the load and vehicle speed
R
increase
the tyres may wear excessively and/or unevenly, which may
R
greatly impair tyre traction
the driving characteristics, as well as steering and braking, may
R
be greatly impaired
There is a risk of an accident.
Stop the vehicle without making any sudden steering or braking
X
manoeuvres. Pay attention to the traffic conditions as you do so.
Secure the vehicle against rolling away (
X
Observe the additional display messages in the multifunction
X
display.
Check the tyres and, if necessary, follow the instructions for a
X
flat tyre ( page 340).
Y
Check the tyre pressure (
X
If necessary, correct the tyre pressure.
X
The tyre pressure monitor is faulty.
G WARNING
The system is possibly unable to detect or register low tyre pres-
sure.
There is a risk of an accident.
Observe the additional display messages in the multifunction
X
display.
Consult a qualified specialist workshop immediately.
X
page 184).
Y
page 364).
Y