Mercedes-Benz 280 C, Owner'S Manual

Page: 263 / 337

Problem Possible cause/consequence Suggested solutions
3
The red brake system
warning lamp lights up
while you are driving and
a warning tone sounds. You are driving with the parking
brake on.
E
Release the parking brake ( e page 111).
The warning lamp goes out and the warning tone ceases.
3
The red brake system
warning lamp lights up
while the engine is run-
ning.
You will also hear a
warning tone.
G
Risk of accident
There is insufficient brake fluid
in the fluid reservoir.
E
Do not continue driving under any circumstances.
E
Consult a qualified specialist workshop immediately.
E
Observe the additional messages in the multi-function display
(
e
page 224).
E
Under no circumstances should you top up the brake fluid.
This will not rectify the fault.
D
The red coolant warning
lamp lights up while the
engine is running. There is insufficient coolant in
the reservoir.
The coolant is too hot and the
engine is no longer being cooled
sufficiently.
E
Stop the vehicle as soon as possible. Pay attention to the traf-
fic conditions as you do so.
E
Allow the engine and coolant to cool.
E
Check the coolant level. Observe the warning notes
(
e
page 198). Top up the coolant if necessary.
E
Have the coolant system checked at a qualified specialist
workshop if the coolant needs topping up more often than
usual.
D
The red coolant warning
lamp lights up while the
engine is running. If the coolant level is correct,
the radiator fan may be faulty.
The coolant is too hot and the
engine is no longer being cooled
sufficiently.
E
If the coolant temperature is less than 120 °C you can contin-
ue driving to the nearest qualified specialist workshop.
E
In doing so, avoid heavy loads on the engine (e.g. driving in
mountainous terrain) and stop-and-go driving.
Practical advice
Troubleshooting
261
ee
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