Mercedes-Benz SL SERIES Operator's Manual page 275

Problem
!
The yellow ABS warning
lamp is lit while the
engine is running.
Possible causes/consequences and M Solutions
ABS is temporarily unavailable. BAS, BAS PLUS, ESP
tronic brake force distribution), PRE‑SAFE
HOLD function, hill start assist are therefore also deactivated, for
example.
Possible causes are:
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 if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
®
If ESP is not operational, ESP
There is a risk of an accident.
Carefully drive a suitable distance, making slight steering move-
X
ments at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
Observe the additional display messages in the multifunction
X
display.
Drive on carefully.
X
Visit a qualified specialist workshop.
X
Warning and indicator lamps
®
, PRE‑SAFE
®
is unable to stabilize the vehicle.
273
®
, EBD (elec-
®
Brake, the
Z