The coolant is a mixture of water and
anti-corrosion/antifreeze. In produc
tion, the cooling system is filled with an
anti-corrosion/antifreeze-water mixture
offering protection to approx. - 3 0 ° C /
-2 2 ° F .
The red mark on the tem pera
ture gauge in the instrum ent cluster is
matched to this anti-corrosion/anti-
freeze-water mixture (approx. boiling
point 125°C/257°F). The protection
against corrosion is also ensured by
this mixture making it unnecessary to
add a corrosion inhibitor.
The coolant remains in the cooling
system all year long and must be re
newed after 3 years at the latest.
If coolant is lost, replace missing quan
tity with water (potable w ater quality)
plus anti-corrosion/antifreeze of a re
commended brand.
For reasons of corrosion inhibition the
minimum proportion of anti-corrosion/
antifreeze must be 34% , which gives
anti-corrosion/antifreeze protection
down t o —2 0 ° C /-4 ° F .
If anti-corrosion/antifreeze is tem pora
rily not available, add a corrosion inhi
Coolants
bitor to the cooling water to ensure
proper protection against corrosion. To
treat the cooling water, do not use
more than 1 % (10 cm3/l) of a recom
mended corrosion inhibitor.
W ithout anti-corrosion/antifreeze in
the cooling system, the water already
starts boiling at approx. 118°C/224°F,
which means that the pointer of the
tem perature gauge in the instrument
cluster may still be below the red mark.
Driving the vehicle without anti-corro-
sion/antifreeze should be done only in
emergency situations. Add anti-corro
sion/antifreeze as soon as possible.
Anti-corrosion/antifreeze
Your vehicle contains a number of al
uminium parts. The use of aluminium
components in motor vehicle engines
necessitates that anti-corrosion/anti-
freeze/coolant used in such engines be
specifically formulated to protect the
aluminium parts. (Failure to use such
anti-corrosion/antifreeze/coolant may
result in a significantly shortened ser
vice life.)
W hile there may be a number of anti
corrosion/antifreeze/coolants available
which will provide the requisite protec
tion, all such products have not been
tested for MERCEDES-BENZ vehicles.
The following product, however, is re
commended for use in your car:
MERCEDES-BENZ Anti-Freeze and
Summer Coolant.
Prior to the onset of the cold season,
check the coolant for sufficient protec
tion to prevent freezing. Repeat this
check during the cold spell. Regular
testing of the anti-corrosion/antifreeze
concentration is carried out only at each
MERCEDES-BENZ maintenance ser
vice.
Protects up to
Anti-corrosion/
antifreeze
- 2 0 ° C \
- 4°F
J
3.00 I/3.2 US qt
—30°C
\
- 2 2 ° F
J
3.75 I/4.0 US qt
O
ll
o
o
O
O
I
I
4.50 I/4.8 US qt
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