Mercedes-Benz 2009 E-Class Operator's Manual page 311

Display messages
Tire Pres. Wheel Sensor
Monitor Missing
Tire Pressure Currently
Monitor Unavailable
Vehicle status messages in the multifunction display
Possible cause/consequence
Vehicles with Advanced TPMS (Canada
only):
One or more sensors are defect (e.g.
battery is empty).
The respective tire is indicated by – –
instead of the tire inflation pressure in the
multifunction display.
One or more wheels without appropriate
wheel sensors mounted (e.g. spare tire).
The respective tire is indicated by – –
instead of the tire inflation pressure in the
multifunction display.
The TPMS (USA only) or Advanced TPMS
(Canada only) is unable to monitor the tire
inflation pressure due to a nearby radio
interference source or insufficient power
supply.
Possible solution
X
Have the Advanced TPMS checked at an
authorized Mercedes-Benz Center.
X
Have the wheel sensors installed at an
authorized Mercedes-Benz Center.
X
Have the Advanced TPMS checked at an
authorized Mercedes-Benz Center.
X
Have the wheel sensors installed at an
authorized Mercedes-Benz Center.
As soon as the causes of the malfunction have
been removed, the TPMS or Advanced TPMS
becomes active again automatically after a few
minutes driving.
Practical hints
Z
309