Mercedes-Benz E-Class 2011 Owner's Manual page 266

Engine
Display messages
+
Top up coolant See
Owner's Manual
?
Coolant Stop vehi‐
cle, Switch engine
off
?
Possible causes/consequences and M Solutions
The coolant level is too low.
Top up the coolant, observing the warning notes when doing so
X
( page 324).
Y
If the coolant needs topping up more often than usual, have the
X
engine coolant system checked at a qualified specialist work-
shop.
The coolant is too hot.
A warning tone also sounds.
Stop the vehicle immediately, paying attention to road and traf-
X
fic conditions, and switch off the engine.
Make sure that the air supply to the engine radiator is not
X
blocked, e.g. by frozen slush.
Wait until the display message disappears before restarting the
X
engine. The engine may otherwise be damaged.
Pay attention to the coolant temperature display.
X
If the temperature increases again, visit a qualified specialist
X
workshop immediately.
The fan motor is faulty.
If the coolant temperature is less than 120 †, you can continue
X
driving to the nearest qualified specialist workshop.
Avoid heavy loads on the engine as you do so, e.g. driving on
X
mountain roads and stop-start traffic.
Display messages
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