Mercedes-Benz SL Roadster 2012 Owner's Manual page 261

Display messages
258
Engine
Display messages
+
Top up up coolant Top 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
See
cooling system. The engine will otherwise be damaged.
Top up the coolant, observing the warning notes before doing so
X
( page 565).
Y
If the coolant needs topping up more often than usual, have the
X
engine coolant system checked at a qualified specialist work-
shop.
The fan motor is faulty.
If the coolant temperature is below 120 †, you can continue
X
driving to the nearest qualified specialist workshop.
Avoid heavy loads on the engine as you do so, e.g. driving in
X
mountainous 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 traf-
X
fic conditions, and switch off the engine.
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 frozen slush.
Do not start the engine again until the display message goes out
X
and the coolant temperature is below 120 †. The engine may
otherwise 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 120 †.
page 175).
Y