Mercedes-Benz C-Class Operator's Manual page 232

Display messages
230
Engine
Display messages
+
Check Coolant Check Coolant
Level See Level See
Operator's Manual Operator's Manual
?
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Coolant Too Hot Coolant Too Hot
Stop Vehicle Turn Stop Vehicle Turn
Engine Off Engine Off
Possible causes/consequences and M M Solutions
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.
Add coolant, observing the warning notes before doing so
X
( page 290).
Y
If coolant needs to be added more often than usual, have the
X
engine coolant system checked at a qualified specialist
workshop.
The fan motor is faulty.
At coolant temperatures below 248 ‡ (120 †), drive to the
X
nearest qualified specialist workshop.
Avoid subjecting the engine to heavy loads, e.g. driving in
X
mountainous terrain, and stop-and-go traffic.
The coolant is too hot.
A warning tone also sounds.
G WARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
Pull over and stop the vehicle safely and switch off the engine,
X
paying attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Leave the vehicle and keep a safe distance from the vehicle until
X
the engine has cooled down.
Make sure that the air supply to the engine radiator is not
X
blocked, e.g. by snow, slush or ice.
Do not start the engine again until the display message goes out
X
and the coolant temperature is below 248 ‡ (120 †).
Otherwise, the engine could be damaged.
Pay attention to the coolant temperature display.
X
If the temperature increases again, visit a qualified specialist
X
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †).
I n f o r ma t i o n P r o v i d e d b y :
page 158).
Y