Mercedes-Benz GLC, Operator'S Manual

Page: 272 / 390

Safety systems
Warning/
indicator
lamp
N Signal type
Possible causes/consequences and M Solutions
$J N $ (USA only), 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.
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 (
Y
page 158).
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
$J N $ (USA only), J (Canada only): the red brake system warning lamp lights
up 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.
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 (
Y
page 158).
X
Do not add brake fluid. Adding more will not correct the malfunction.
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
$ 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.
X
Visit a qualified specialist workshop.
270
Warning and indicator lamps in the instrument cluster
On-board
computer
and
displays