Problem Possible causes/consequences and M Solutions
J
The red brake system
warning lamp comes on
while the engine is
running. A warning
tone also sounds.
There is insufficient brake fluid in the brake fluid reservoir.
G
WARNING
The braking efficiency may be impaired.
There is a risk of an accident.
X
Vehicles with a colour display: observe
the
additional display
messages.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to
road and traffic conditions. Do not continue driv-
ing under any circumstances.
X
Secure the vehicle against rolling away (Y page 107).
X
Do not top up the brake fluid. Topping up will not rectify the
fault.
X
Consult a qualified specialist workshop.
J
The red brake system
warning lamp comes on
while the engine is
running. A warning
tone also sounds.
EBD (electronic brake force distribution) is malfunctioning. This
means that ABS, esp
®
, crosswind assist and hill start assist, for
example, are also unavailable.
Further driving systems could be switched off automatically.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock early if
you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The
braking distance in an emergency braking situation
can increase.
If esp
®
is not operational, esp
®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to
road and traffic conditions. Do not continue driv-
ing under any circumstances.
X
Secure the vehicle against rolling away (Y page 107).
X
Consult a qualified specialist workshop.
154
Warning and indicator lamps in the instrument cluster
>> On-board computer and displays.
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