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Display messages
?
Coolant Stop vehi‐
Coolant Stop vehi‐
cle Switch engine
cle Switch engine
off
off
?
+
Check coolant level
Check coolant level
¸
Replace air cleaner
Replace air cleaner
Possible causes/consequences and M M Solutions
A warning tone also sounds. The coolant is too hot.
G
WARNING
Never drive with an overheated engine. Driving when the engine is
overheated can cause fluids which may have leaked into the engine
compartment to catch fire.
In addition, steam from an overheated engine can cause serious
burns, which can occur just by opening the bonnet.
There is a risk of injury.
Stop the vehicle immediately, in accordance with the traffic condi-
X
tions, and switch off the engine.
Secure the vehicle against rolling away (
X
Wait until the engine has cooled down.
X
Make sure that the air supply to the engine radiator is not obstruc-
X
ted – by frozen slush, for example.
Do not start the engine again until the display message goes out and
X
the coolant temperature is below 120 †. The engine could other-
wise be damaged.
Monitor the coolant temperature gauge ? in the instrument
X
cluster.
If the temperature increases again, consult a qualified specialist
X
workshop immediately.
Under normal driving conditions and with the correct coolant level, the
display ? may rise to 120 †.
The fan motor is faulty.
Check the coolant temperature gauge ? in the instrument clus-
X
ter.
If the coolant temperature is below 120 †, you can drive on to the
nearest qualified specialist workshop.
Avoid heavy engine loads, e.g. driving in mountainous terrain, and
stop-and-go traffic.
The coolant level is too low.
!
Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
Top up the coolant, making sure to observe the warning notes
X
(
page 193).
Y
If you have to top up the coolant more frequently, have the engine
X
cooling system checked at a qualified specialist workshop.
The engine air filter is dirty and must be replaced.
Consult a qualified specialist workshop.
X
Display messages
page 104).
Y
239
Z
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