Mercedes-Benz S-Class Coupe Operator's Manual page 289

Warning and indicator lamps in the instrument cluster
Safety systems
Warning/
N Signal type
indicator
Possible causes/consequences and M Solutions
lamp
$J N $ (USA only) or J (Canada only): the red brake system warning lamp
is lit while the engine is running.
A warning tone also sounds.
G WARNING
The brake boosting effect is malfunctioning and the braking characteristics
may be affected.
There is a risk of an accident.
Pull over and stop the vehicle safely as soon as possible, paying attention to
X
road and traffic conditions. Do not continue driving under any circumstan-
ces.
Secure the vehicle against rolling away (
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
X
$J N $ (USA only) or J (Canada only): the red brake system warning lamp
is lit while the engine is running.
A warning tone also sounds.
There is not enough brake fluid in the brake fluid reservoir.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
Pull over and stop the vehicle safely as soon as possible, paying attention to
X
road and traffic conditions. Do not continue driving under any circumstan-
ces.
Secure the vehicle against rolling away (
X
Do not add brake fluid. Adding more will not remedy the malfunction.
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
X
$ N USA only: the red brake system warning lamp is lit while the engine is
running. The multifunction display also shows a display message with the
# symbol.
The brake pads/linings have reached their wear limit.
Visit a qualified specialist workshop.
X
page 170).
Y
page 170).
Y
287
Z