Coolants - Mercedes-Benz 300 TE 124 T 1988 Owner's Manual

Coolants

The engine c o o la n t is a m ix tu re of
w a te r and M B a n tic o rro s io n /a n ti­
freeze, w h ich p ro v id e s :
• c o rro s io n p ro te c tio n
• fre e ze p ro te c tio n
• boiling p ro te c tio n (by in crea sing
the b o ilin g po in t).
The co o lin g system w as fille d at the
fa c to ry w ith a c o o la n t p ro v id in g fre e ze
p ro te c tio n to ap p ro x. —30° C
( - 2 2 ° F) and c o rro s io n p ro te c tio n .
The red area o f the te m p e ra tu re
gaug e is m atche d to th e heating p ro ­
p e rtie s o f th is c o o la n t s o lu tio n .
The c o o la n t s o lu tio n m u s t be used
yea r ro u n d to p ro vid e th e ne cessa ry
c o rro s io n p ro te c tio n and in crea se in
the b o il-o v e r p ro te c tio n . Y ou should
have it rep la ced every 3 years.
To p ro vid e th e im p o rta n t c o rro s io n
p ro te c tio n , th e s o lu tio n m u s t be at
least 33 % a n tic o rro s io n /a n tifre e z e
(equals a fre e ze p ro te c tio n to ap pro x.
- 2 0 ° C [ - 4 ° F]). If you use a s o lu ­
tio n th a t is m ore than 55 °/o a n tic o rro ­
s io n /a n tifre e z e (freeze p ro te c tio n to
ap p ro x. —45° C [ — 49° F]), the
en gine te m p e ra tu re w ill in crea se due
to th e lo w e r heat tra n s fe r c a p a b ility of
the so lu tio n . T here fore, do n o t use
m ore than th is a m o u n t o f a n tic o rro ­
s io n /a n tifre e z e .
If th e c o o la n t level is low, w a te r and
M B a n tic o rro s io n /a n tifre e z e s ho uld
be use d to b rin g it up to th e p ro p e r
level (have c o o lin g s yste m c h e c k e d
fo r s ig n s o f leakage).
The w a te r in th e c o o lin g sy s te m m ust
m eet m in im um re q u ire m e n ts , w h ic h
are usu ally sa tis fie d by norm al d rin k ­
ing w a te r. If y ou are n o t su re a b o u t
the w a te r quality, c o n s u lt y o u r a u th o r­
ized M E R C E D E S -B E N Z dealer.
A n tic o rro s io n /a n tifre e z e
Y o u r v e h ic le c o n ta in s a n u m b e r o f
alum inium pa rts. The use o f a lu m i­
nium c o m p o n e n ts in m o to r v eh icle
en g in e s n e c e s s ita te s th a t a n tic o rro ­
s io n /a n tifre e z e c o o la n t use d in such
en g in e s be s p e c ific a lly fo rm u la te d to
p ro te c t th e alum inium pa rts. (Failure
to use su c h a n tic o rro s io n /a n tifre e z e
c o o la n t w ill re s u lt in a s ig n ific a n tly
s h o rte n e d se rvice life.)
T h e re fo re th e fo llo w in g p ro d u c t is
s tro n g ly re c o m m e n d e d fo r use in
y o u r c a r: M E R C E D E S -B E N Z A n tic o r­
ro s io n /A n tifre e z e A ge nt.
B e fo re th e s ta rt o f the w in te r season
(o r o n c e a year in th e h o t so u th e rn
re g io n s ), you s h o u ld have th e a n tic o r­
ro s io n /a n tifre e z e c o n c e n tra tio n
c h e c ke d . The c o o la n t is also reg ularly
c h e c k e d each tim e you b rin g y o u r
v e h ic le to y o u r a u th o riz e d
M E R C E D E S -B E N Z dealer fo r m a in te ­
nance service.
A p p ro x . Freeze A n tic o rro s io n /
p ro te c tio n antifre eze
( — 22° F) } 4.50 I (4.8 US qt)
( Z j f o F) } 5 50 1 (5.8 US qt)
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