Mercedes-Benz 2008 C-Class Operator's Manual page 405

Practical hints
What to do if ...?
Display
•
Coolant Low
Stop Vehicle!
Turn Engine Off
•
404
Possible cause/consequence
The cooling fan for the coolant is malfunc-
tioning.
Possible solution
Restart the engine.
If this message disappears from the multi-
function display:
Drive immediately to the nearest autho-
rized Mercedes-Benz Center.
If this message does not disappear from the
multifunction display:
Call Roadside Assistance.
Observe the coolant temperature gauge in
the instrument cluster ( page 26).
Have the fan replaced as soon as possible.