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Operation
Warning area. When the engine is w
ork
-
ing hard, especially at high outside tem-
peratures, the needle may move into the
warning area.
The coolant temperature gauge only works
when the ignition is switched on.
Control and warning lamp
It lights up red
Engine coolant system faulty.
Do not continue driving. Seek specialist assis-
tance
.
It lights up red
Indicator in the normal ar
ea
B
Insufficient engine coolant level.
Check the engine coolant when the engine has
cool
ed and, if it is low, refill with engine coolant
›››
page 324.
Even if the coolant level is correct, there is a fault.
C
It lights up red
Indicator in the w
arning zone
C
Excessive engine coolant temperature.
Stop the v
ehicle! Stop the vehicle safely as soon
as possible. Switch off the engine and wait for it to
cool down and for the needle to return to the normal
area. Check the engine coolant level
›››
page 324.
Flashes red
Engine coolant system faulty.
Seek specialist assistance
.
CAUTION
●
To ensur
e a long useful life for the engine,
avoid high revs, driving at high speed and
making the engine work hard for approxi-
mately the first 15 minutes when the engine
is cold. The phase until the engine is warm
also depends on the outside temperature. If
necessary, use the engine oil temperature*
›››
page 73 as a guide.
●
Additional lights and other accessories in
front of the air inlet reduce the cooling ef-
fect of the coolant. At high outside temper-
atur
es and high engine loads, there is a risk
of the engine overheating.
●
The front spoiler also ensures proper dis-
tribution of the cooling air when the vehicle
is moving. If the spoiler is damaged this can
reduce the cooling effect, which could
cause the engine to overheat. Seek spe-
cialist assistance.
82
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