Mercedes-Benz GL-Class 2012 Owners Manual - Manual (Page 267)

Driving systems
Problem Possible causes/consequences and M Solutions
·
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds. G Risk of accident
The warning is issued if you approach a stationary vehicle or a
vehicle driving ahead of you at too high a speed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
More information about DISTRONIC ( Y page 182) and the distance
warning signal ( Y page 72).
Tires
Problem Possible causes/consequences and M Solutions
h
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit. G
Risk of accident
The tire pressure monitor has detected a loss of pressure in at
least one of the tires.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Observe the additional display messages in the multifunction
display.
X Check the tire pressure. If necessary, correct the tire pressure
(
Y page 347).
X If necessary, change a wheel ( Y page 362).
h
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) flashes for
60 seconds and then
remains lit. The tire pressure monitor is defective.
X Observe the additional display messages in the multifunction
display.
X Visit a qualified specialist workshop.
G WARNING
Each tire, including the spare (if provided), should be checked every other week when cold and
inflated to the inflation pressure recommended by the vehicle manufacturer on the Tire and
Loading Information placard on the driver's door B-pillar or, if available, the tire inflation pressure
label on the inside of the fuel filler flap. If your vehicle has tires of a different size than the size
Warning and indicator lamps in the instrument cluster
265
On-board computer and displays
Z