Mercedes-Benz 2009 GL320 BlueTEC Operator's Manual page 370

Practical hints
Vehicle status messages in the multifunction display
Tires
Display messages
Tire pressure(s)
H
Please Correct
Tire Pressure
H
Caution: Tire
Defect
Tire Pressure
H
Check Tires
G Warning!
Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the vehicle. Continued driving
with a flat tire will cause excessive heat build-up and possibly a fire.
G Warning!
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more
likely to fail from being overheated.
368
Possible cause/consequence
The tire pressure is too low in one or more
tires.
or
The tire pressure of the individual tires
differ from each other significantly.
One or more tires are deflating.
The tire pressure in one or more tires is
already below the minimum value.
Possible solution
X
Check and correct tire inflation pressure as
required ( Y page 281).
X
Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
X
If necessary, change the wheel (
X
Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
X
Check and adjust tire pressure as required.
X
If necessary, change the wheel (
Y page 397).
Y page 397).