Mercedes-Benz GL-Class 2009 Owners Manual - Manual (Page 347)

Vehicle status messages in the multifunction display
345
Display messages Possible cause/consequence Possible solution
Tire Pressure Check Tires The Run Flat Indicator indicates that the
pressure is too low in one or more tires. X Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
Observe the traffic situation around you.
X Check and adjust tire inflation pressure as
required (
Y page 281).
X If necessary, change the wheel ( Y page 397).
X Restart the Run Flat Indicator after adjusting
the tire inflation pressure values
(
Y page 282).
Tire Pressure
Monitor
Inoperative The TPMS is malfunctioning. X Have the TPMS checked at an authorized
Mercedes-Benz Center.
Tire Pressure
Monitor
Inoperative
No Wheel Sensors
There are wheels without appropriate
wheel sensors mounted (e.g. winter tires). X Have the TPMS checked at an authorized
Mercedes-Benz Center.
X Have the appropriate wheel sensors installed
at an authorized Mercedes-Benz Center.
Tire Pressure
Monitor
Currently
Unavailable
The TPMS is unable to monitor the tire
inflation pressure due to a nearby radio
interference source or insufficient power
supply. As soon as the causes of the malfunction have
been removed, the TPMS becomes active again
automatically after a few minutes driving.
Practical hints
Z