Mercedes-Benz E-Class Owner's Manual page 322

Warning and indicator lamps in the instrument cluster
320
Safety systems
Problem
J
The yellow brake sys-
tem warning lamp
lights up while the
engine is running.
J
The red brake system
warning lamp comes on
while the vehicle is
moving. A warning tone
also sounds.
J
The red brake system
warning lamp is lit while
the engine is running. A
warning tone also
sounds.
Possible causes/consequences and M Solutions
G
WARNING
The brake system is malfunctioning and the braking characteris-
tics may be affected.
There is a risk of an accident.
X
If the multifunction display shows a display message, please
observe this.
X
Drive on carefully.
X
Visit a qualified specialist workshop.
You are driving with the parking brake applied.
X
Release the parking brake.
The warning lamp goes out and the warning tone ceases.
G
WARNING
The brake boosting effect is malfunctioning and the braking char-
acteristics may be affected.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X
Secure the vehicle against rolling away (
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction
display.
Y page 199).