Problem
Possible causes/consequences and
M
Solutions
!
The yellow ABS warning
lamp is lit while the
engine is running.
G
Risk of accident
ABS is temporarily unavailable. Therefore, BAS, BAS PLUS, ESP
®
,
EBD (electronic brake force distribution), PRE-SAFE
®
,
PRE-SAFE
®
Brake, the HOLD function, hill start assist, the adaptive
brake lights and ESP
®
trailer stabilisation, for example, are also
deactivated.
Self-diagnosis is not yet complete or the on-board voltage may be
insufficient, for example.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST is deactivated.
X
Carefully drive on a suitable stretch of road, making slight steer-
ing movements, at a speed above 20 km/h.
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X
Observe the additional display messages in the multifunction
display.
X
Drive on carefully.
X
Visit a qualified specialist workshop.
!
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds.
G
Risk of accident
EBD is faulty. Therefore, ABS, BAS, BAS PLUS, ESP
®
, PRE-SAFE
®
,
PRE-SAFE
®
Brake, the HOLD function, hill start assist, the adaptive
brake lights and ESP
®
trailer stabilisation, for example, are not
available either.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST is deactivated.
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
287
On-board
compu
te
ra
nd
disp
lay
s
Z
