Mercedes-Benz C-Class Operator's Manual page 291

Warning and indicator lamps in the instrument cluster
Warning/
N Signal type
indicator
Possible causes/consequences and M Solutions
lamp
$J N $ (USA only), J (Canada only): the red brake system warning lamp is lit
while the engine is running.
PLUG-IN HYBRID vehicles: the red brake system warning lamp is shown in the
READY driving status.
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 road
X
and traffic conditions. Do not continue driving under any circumstances.
Secure the vehicle against rolling away (
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.
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
! N The yellow ABS warning lamp is lit while the engine is running.
PLUG-IN HYBRID vehicles: the yellow ABS warning lamp is shown in the READY
driving status.
ABS (anti-lock braking system) is malfunctioning.
If there is an additional warning tone, the EBD (electronic brake force distribution)
is malfunctioning.
Other driving systems and driving safety systems may also be faulty.
G
WARNING
The brake system continues to function normally, but without the functions listed
above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance in an emergency braking situation can increase.
®
If ESP
There is an increased risk of skidding and an accident.
Observe the additional display messages in the multifunction display.
X
Drive on carefully.
X
Visit a qualified specialist workshop immediately.
X
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.
is not operational, ESP
page 177).
Y
®
is unable to stabilize the vehicle.
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Z