Mercedes-Benz GLC Owner's Manual page 390

Warning and indicator lamps in the instrument cluster
Tyres
Warning/
N N Signal type
indicator
Possible causes/consequences and M M Solutions
lamp
h N The yellow tyre pressure monitor warning lamp (pressure loss/malfunction)
is lit.
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 increase
R
the tyres may wear excessively and/or unevenly, which may greatly impair
R
tyre traction
the driving characteristics, as well as steering and braking, may be greatly
R
impaired
There is a risk of an accident.
Stop the vehicle without making any sudden steering or braking manoeu-
X
vres. Pay attention to the traffic conditions as you do so.
Safeguard the vehicle against rolling away (
X
Observe the additional display messages in the multifunction display.
X
Check the tyres and, if necessary, follow the instructions for a flat tyre
X
( page 433).
Y
Check the tyre pressure (
X
If necessary, correct the tyre pressure.
X
h N The yellow tyre pressure monitor warning lamp (pressure loss/malfunction)
flashes for approximately one minute and then remains lit.
The tyre pressure monitor is faulty.
G WARNING
The system is possibly unable to detect or register low tyre pressure.
There is a risk of an accident.
Observe the additional display messages in the multifunction display.
X
Consult a qualified specialist workshop immediately.
X
page 219).
Y
page 460).
Y
387
Z