Mercedes-Benz S-Class 2013 Owner's Manual page 360

Warning and indicator lamps in the instrument cluster
Safety systems
Warning/ N N Signal type
indicator
Possible causes/consequences and M M Solutions
lamp
J
N The yellow brake system warning lamp lights up while the engine is running.
G WARNING
The brake system is malfunctioning and the braking characteristics may be
affected.
There is a risk of an accident.
If the multifunction display shows a display message, please observe this.
X
Drive on carefully.
X
Visit a qualified specialist workshop.
X
J
N 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
X
to road and traffic conditions. Do not continue driving under any circum-
stances.
Secure the vehicle to prevent it from rolling away (
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
X
J
N The red brake system warning lamp is lit while the engine is running. A
warning tone also sounds.
There is insufficient brake fluid in the brake fluid reservoir.
G
WARNING
Braking efficiency may be impaired.
There is a risk of an accident.
Pull over and stop the vehicle safely as soon as possible, paying attention
X
to road and traffic conditions. Do not continue driving under any circum-
stances.
Secure the vehicle against rolling away (
X
Do not top up the brake fluid. Topping up will not rectify the fault.
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
X
page 215).
Y
page 215).
Y
357
Z