Mercedes-Benz AMG GT Operator's Manual page 197

Warnin and indicator lam s in the instrument cluster
Warnin
N Si nal ty e
indicator
Possible causes conse uences and M Solutions
lam
? N The red coolant warning lamp comes on while the engine is running.
The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator may be blocked or
the electric engine radiator fan may be malfunctioning.
The coolant is too hot and the engine is no longer being cooled sufficiently.
Observe the additional display messages in the multifunction display.
X
Pull over and stop the vehicle safely and switch off the engine, paying attention
X
to road and traffic conditions.
Secure the vehicle against rolling away (
X
Leave the vehicle and keep a safe distance from the vehicle until the engine has
X
cooled down.
Check the coolant level and add coolant, observing the warning notes
X
( page 230).
Y
If you need to add coolant more often than usual, have the engine coolant sys-
X
tem checked.
Make sure that the air supply to the engine radiator is not blocked, e.g. by snow,
X
slush or ice.
Do not start the engine again until the coolant temperature is below 2 8
X
(120
Drive to the nearest qualified specialist workshop.
X
Avoid sub ecting the engine to heavy loads, e.g. driving in mountainous terrain,
X
and stop-and-go traffic.
? N The red coolant warning lamp comes on while the engine is running. A warning
tone also sounds.
The coolant temperature has exceeded 2 8
radiator may be blocked or the coolant level may be too low.
G
WARNING
The engine is not being cooled sufficiently and may be damaged.
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
ust by opening the hood.
There is a risk of in ury.
Observe the additional display messages in the multifunction display.
X
Pull over and stop the vehicle safely and switch off the engine, paying attention
X
to road and traffic conditions.
Secure the vehicle against rolling away (
X
Leave the vehicle and keep a safe distance from the vehicle until the engine has
X
cooled down.
Check the coolant level and add coolant, observing the warning notes
X
( page 230).
Y
If you need to add coolant more often than usual, have the engine coolant sys-
X
tem checked.
). Otherwise, the engine could be damaged.
page 118).
Y
(120 ). The airflow to the engine
page 118).
Y