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60
Cockpit
− Driver information system . . . . . . . . . . . . . . . . . . . . . . . . . . .
A
CHECK button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
A
Call-up button for service indicator . . . . . . . . . . . . . . . . . . . . . .
9
A
Reset button for trip recorder . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
Coolant temperature gauge
The coolant temperature gauge
switched on. In order to avoid engine damage, please read the following
notes for the different temperature ranges.
A
Cold temperature
A
If the needle is still on the left of the dial, this indicates that the engine has
not yet reached operating temperature. Avoid high revs and heavy accelera-
tion and do not make the engine work hard.
Fig. 38 Engine coolant
temperature gauge
⇒ fig. 38
only works when the ignition is
A
Normal temperature
B
71
64
In normal operations, the needle will settle somewhere in the centre of the
dial once the engine has reached running temperature. The temperature may
74
also rise when the engine is working hard, especially at high outside temper-
63
atures. This is no cause for concern, provided the warning lamp
light up in the instrument panel.
A
Warning temperature
C
If the symbol
flashes in the display, this means that either the coolant
temperature is too high or the coolant level is too low ⇒ page 77.
WARNING
•
Before opening the bonnet and checking the coolant level, observe the
warning information ⇒ page 213.
•
Never open the bonnet when steam or coolant is being released from it.
This could lead to burns. Wait until you can no longer see or hear escaping
steam or coolant.
Caution
Accessories in front of the air inlet reduce the cooling effect of the coolant. At
high outside temperatures and high engine loads, there is a risk of the
engine overheating.
does not
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