Mercedes-Benz M-Class 2012 Owners Manual - Manual (Page 266)

Display messages Possible causes/consequences and M Solutions
Check
Tires
G Risk of accident
The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Correct the tire pressure (
Y
page 359).
X If necessary, change a wheel (
Y
page 374).
Caution:
Tire Malfunction G Risk of accident
The tire pressure in one or more tires has dropped suddenly. The
wheel position is displayed in the multifunction display.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X If necessary, change a wheel (
Y
page 374).
Correct
Tire Pressure The tire pressure is too low in at least one of the tires or the tire
pressure difference between the wheels is too great.
X Check the tire pressures at the next opportunity. If necessary,
correct the tire pressure (
Y
page 359).
X Restart the tire pressure monitor (
Y
page 361).
Tire Press.
Sensor(s) Missing There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
X Have the defective tire pressure sensor replaced at a qualified
specialist workshop.
Tire Press. Monitor
Currently Unavail. Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
X Drive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved.
h
Tire Press.
Warning Caution
Tire Malfunction
G Risk of accident
The tire pressure in one or more tires has dropped suddenly.
A warning tone also sounds.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X If necessary, change a wheel (
Y
page 374).
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Display messages
On-board
comput
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and
displays