Mercedes-Benz CLS-Class 2012 Owners Manual - Manual (Page 237)

Display messages Possible causes/consequences and M Solutions
Check Tire
Pressure Soon G Risk of accident
The tire pressure loss warning system has detected a significant
loss in pressure.
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 Check the tires and, if necessary, change the wheel
(
Y page 338).
X Check the tire pressures and, if necessary, set to the correct
tire pressure.
X Restart the tire pressure loss warning system when the tire
pressure is correct (
Y page 321).
Check Tire Pressure
Then Restart Run
Flat Indicator
The tire pressure loss warning system generated a display
message and has not been restarted since.
X Set the correct tire pressure in all four tires.
X Restart the tire pressure loss warning system ( Y page 321).
Run Flat Indicator
Inoperative The tire pressure loss warning system is defective.
X Visit a qualified specialist workshop.
Tire pressures
will be displayed
after driving a
few minutes
The tire pressure monitor is measuring the tire pressure.
X Drive on.
The tire pressures appear in the multifunction display after you
have been driving for a few minutes.
Tire Press. Monitor
Inoperative The tire pressure monitor is defective.
X Visit a qualified specialist workshop.
Tire Press. Monitor
Inoperative No
Wheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
X Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes.
Display messages
235
On-board computer and displays
Z