Mercedes-Benz 2013 CLA Owner's Manual page 259

Warning and indicator lamps in the instrument cluster
Problem
!
The yellow ABS warning
lamp is lit while the
engine is running.
Possible causes/consequences and M Solutions
ABS is temporarily unavailable. Therefore, BAS, COLLISION PRE-
VENTION ASSIST, COLLISION PREVENTION ASSIST PLUS, ESP
EBD (electronic brake force distribution), PRE-SAFE
function, hill start assist, the adaptive brake lights and ESP
stabilisation, for example, are also deactivated.
Possible causes:
self-diagnosis is not yet complete.
R
the on-board voltage may be insufficient.
R
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 a risk of an accident.
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.
®
is unable to stabilise the vehicle.
257
®
,
®
, the HOLD
®
trailer
Z