Mercedes-Benz SL 2015 Owner's Manual page 232

Engine
Display messages
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Top up coolant See Top up coolant See
Owner's Manual Owner's Manual
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Coolant Stop vehi‐ Coolant Stop vehi‐
cle Switch engine cle Switch engine
off 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.
Top up the coolant, observing the warning notes before doing so
X
( page 279).
Y
If the coolant needs topping up more often than usual, have the
X
engine coolant system checked at a qualified specialist workshop.
The fan motor is faulty.
If the coolant temperature is below 120 †, you can continue driving
X
to the nearest qualified specialist workshop.
Avoid heavy loads on the engine as you do so, e.g. driving in moun-
X
tainous terrain and stop-start traffic.
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.
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, paying attention to road and traffic
X
conditions, and switch off the engine.
Safeguard the vehicle against rolling away (
X
Leave the vehicle and keep a safe distance from the vehicle until the
X
engine has cooled down.
Make sure that the air supply to the engine radiator is not blocked,
X
e.g. by frozen slush.
Do not start the engine again until the display message goes out and
X
the coolant temperature is below 120 †. The engine may otherwise
be damaged.
Pay attention to the coolant temperature gauge, observing the
X
warning notes ( page 279).
Y
If the temperature increases again, consult a qualified specialist
X
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †.
Display messages
page 153).
Y
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