Maintenance 5
Engine
4
4
5
5
t3921378
¾ Read off the filling level in filler neck.
• Min. marking is the edge (4) of the lower
step.
• Max. marking is the edge (5) of the
upper
step.
Difference in quantity between min. and max.:
approx. 0.75 l
Filling quantity in cooling system
without heating and air condition
ing: 9.0 l
with heating and air conditioning: 11.0 l
The frost protection should be sufficient for
temperatures down to -25°C. The mixture
ratio required here is 40% coolant additive and
60% drinking water.
Mixture ratio for lower temperatu
res:
Temperature
Coolant
additive
Drinking
water
-30°C 45% 55%
-35°C 50% 50%
-40°C 60% 40%
¾ Run mot
or until cooling system has been
bled.
¾ Check coolant level.
¾ Fit filler cap (2) and turn to tighten.
¾ Close the
bonnet.
Check coo
lant concentration
The coolin
g system has to be filled all year
round with
a mixture of water and phosphate-
free glyc
ol-based coolant additive with anti-
corrosio
n additives to prevent the deposit of
lime scal
e and damage caused by frost and
corrosio
n, and to raise the boiling tempera-
ture.
Operating Instructions – 393 807 1001 EN – 08/2008 125
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