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1.Drain the water from the
radiator, heater core and engine after unplugging the
radiator
drain plug and removing the radiator cap.
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![](../../../img/14/AC302106AC00ENG.png)
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2.Drain the water in the
water jacket by unplugging the drain plug of the cylinder
block. 3.Remove the radiator condenser tank and
drain the coolant. 4.Drain the coolant then clean
the path of the coolant by injecting water into the radiator
from the radiator cap area.
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![](../../../img/14/AC304677AE00ENG.png)
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5.Apply the designated
sealant to the screw area of the cylinder block drain plug,
and then
tighten to the standard
torque.
Specified sealant: 3M
Nut Locking Part No.4171
or equivalent Tightening torque: 44 ±
5 N·m
6.Securely tighten
the drain plug of the radiator. 7.Reinstall the
radiator condenser tank.
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![](../../../img/14/AC302096AC00ENG.png)
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8.
caution |
Do not use alcohol or methanol
anti-freeze or any engine coolants mixed
with alcohol or methanol anti-freeze. The use of
an improper anti-freeze can cause corrosion
of the aluminium components.
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By referring to the section on coolant, select an
appropriate concentration for safe operating
temperature within the range of 30 to 60%. Use special
tool LLC changer (MB991871)
to refill the coolant. A convenient mixture is a 50%
water and 50%
antifreeze
solution (freezing point:
-31°C).
Recommended
antifreeze: DIA QUEEN SUPER LONG
LIFE COOLANT or
equivalent Quantity:
<Without
rear heater>
8.0 L <With rear heater>
9.5 L
note |
For how to use special tool
MB991871, refer to its manufacturer’s
instructions.
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9.Reinstall the radiator
cap. 10.Start the engine and let it warm up until
the thermostat opens. 11.After repeatedly revving
the engine up to 3,000 r/min several times, then
stop the engine. 12.Remove the radiator cap after
the engine has become cold, and pour in coolant up to
the brim. Reinstall the cap. 13.
caution |
Do not overfill the radiator
condenser tank.
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Add coolant to the radiator condenser tank between
the "F" and "L" mark if necessary.
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