Mercedes-Benz 2013 GLS Class - Manual (Page 299)

Problem Possible causes/consequences and M Solutions
!
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds. EBD is unavailable due to a malfunction. Therefore, ABS, BAS, BAS
PLUS, ESP
® , PRE-SAFE ® , PRE-SAFE ® Brake, the HOLD function,
hill start assist, ESP ® trailer stabilisation and the adaptive brake
lights, for example, are not available either.
ATTENTION ASSIST is deactivated.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock, for example, if you brake hard.
The steerability and braking characteristics may be severely affec-
ted. The braking distance may increase in an emergency braking
situation.
If ESP
® is not operational, ESP ® is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
J ֌!
The red brake warning
lamp, the yellow ESP
®
and ESP ® OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running.
ABS and ESP ® are unavailable due to a fault. Therefore, BAS, BAS
PLUS, EBD, PRE-SAFE ® , PRE-SAFE ® Brake, the HOLD function, hill
start assist, ESP ® trailer stabilisation and the adaptive brake
lights, for example, are not available either.
ATTENTION ASSIST is deactivated.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock, for example, if you brake hard.
The steerability and braking characteristics may be severely affec-
ted. The braking distance may increase in an emergency braking
situation.
If ESP
® is not operational, ESP ® is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster
297
On-board computer and displays
Z