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Warning and indicator lamps
254
Problem
!
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds.
J ÷ å !
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.
Possible causes/consequences and M M Solutions
EBD is unavailable due to a malfunction. Therefore, ABS, BAS, BAS
®
PLUS, ESP
, PRE‑SAFE
hill start assist and the adaptive brake lights, for example, are also
unavailable.
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
There is an increased danger of skidding and risk of an accident.
Observe the additional display messages in the multifunction
X
display.
Drive on carefully.
X
Visit a qualified specialist workshop.
X
®
ABS and ESP
are unavailable due to a fault. Therefore, BAS, BAS
PLUS, EBD, PRE‑SAFE
start assist and the adaptive brake lights, for example, are also
®
unavailable.
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
There is an increased danger of skidding and risk of an accident.
Observe the additional display messages in the multifunction
X
display.
Drive on carefully.
X
Visit a qualified specialist workshop.
X
®
®
, PRE‑SAFE
Brake, the HOLD function,
®
is unable to stabilise the vehicle.
®
®
, PRE‑SAFE
Brake, the HOLD function, hill
®
is unable to stabilise the vehicle.
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