Mercedes-Benz GLK 300 4MATIC 2012, Owner'S Manual

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Engine (4-button multifunction steering wheel)
Display messages Possible causes/consequences and M M Solutions
Top up Top up
coolant
coolant
The coolant level is too low.
X
Top up the coolant, observing the warning notes before doing
so (
Y
page 316).
X
If the coolant needs topping up more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop.
?
The fan motor is faulty.
X
If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X
Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic.
?
Stop vehicle Sw. Stop vehicle Sw.
eng. Off eng. Off
The coolant is too hot.
A warning tone also sounds.
G WARNING
Never drive with an overheated engine. Driving when your engine
is overheated can cause some fluids which may have leaked into
the engine compartment to catch fire.
Steam from an overheated engine can cause serious burns, which
can occur just by opening the bonnet.
There is a risk of injury.
X
Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X
Secure the vehicle against rolling away (
Y
page 164).
X
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X
Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X
Do not start the engine again until the display message goes out
and the coolant temperature is below 120 †. The engine may
otherwise be damaged.
X
Pay attention to the coolant temperature display.
X
If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †.
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Display messages
On-
boar
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