Mercedes-Benz S-Sedan 2015 Owners Manual - Manual (Page 311)

Warning/
indicator
lamp
N N Signal type
Possible causes/consequences and M
M Solutions
! N The yellow ABS warning lamp is lit while the engine is running.
ABS (Anti-lock Braking System) is deactivated due to a malfunction. Therefore,
BAS (Brake Assist), BAS PLUS with Cross-Traffic Assist, COLLISION PREVEN-
TION ASSIST PLUS, ESP ® (Electronic Stability Program), PRE‑SAFE ® ,
PRE‑SAFE ® PLUS, PRE‑SAFE ® Brake, the HOLD function, Hill Start Assist,
Crosswind Assist, STEER CONTROL, Active Lane Keeping Assist and Active
Blind Spot Assist are also deactivated.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions
listed above. The wheels could therefore lock if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The
braking distance in an emergency braking situation can increase.
If ESP
® is not operational, ESP ® is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Visit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other systems,
such as the navigation system or the automatic transmission, will not be
available.
Warning and indicator lamps in the instrument cluster
309
On-bo
ard
computer
and
displays
Z