524 Te
chnic aldata
Service prod uctsan dca pac ities
Th eco olan tis am ixtu re of water, anti-
fr eeze andco rrosion inh ibitor. Itpe rforms
the following tasks in the coolings ystem:
! Anti -corros ion prote ction
! Anti free ze protection
! Raising the bo ilin gp oint
! Always use a suitable coolant mixture, even
in co un tries wit hhigh temp eratur es.
Ot he rwise, thecooling system willno tbe suffi-
ci ent lyprotec ted from corrosion ,and the boiling
point will be toolow.
If an tifr eeze andco rros ion inh ibitor is
prese ntin the corre ctconcentration, the
bo ilin gp oint of theco olant willbe around
13 0° C.
Th eant ifre ez eand corros ion inh ibitorcon-
ce ntrati onintheco oling syst emshou ld:
! beatleas t50%. Thiswillpro tect the
co oling syste magai nstfreez ing do wn
to around –37° C.
! not exce ed 55%(anti free ze prot ection
down to –45°C ), oth erwise heat will
not bedissipat edso eff ective ly.
If the ve hicleis los ing coola nt, top it up
wi th equal amounts of wat erand an ti-
fr eeze andco rros ion inh ibitor. Mercede
s-Be nz rec om mendsa nantifreeze
and corros ion inh ibitor whic hhasbeen ap-
proved for Mer cede s-Be nz.
! Thec ooling sys tem con tains a supply
which must be renewed af ter1 5 years, or af ter
250,000 km at the la test.
Th ew arrant ywill only remain valid if youto pup
th e coolan twi th an antifre eze and corrosion in-
hi bitor that has been approved by
Me rced es-B enz. Your "Servi ceBooklet "provides
information about antifre eze and corrosion in-
hi bitors that have been approved by
Me rced es- Benz.
Ov eraperiod oftime, the brak efluid ab-
sorbs moistur efrom the air; this reduces
its boiling po int. i
There is usually a notic ein the eng inec om-
partment toremind youwh en the nex tbrak eflu-
id change is due.
Th ew ash erfluid reservoir holds approx i-
ma tely 6.5l itres.
Th eh eadlam pclea ning system an dthe
wind screen wa shersy stem have a co m-
mo nsu pply from the wash erfluid reser-
vo ir.
6 Fillthe wind screenw ashe rflui d re ser-
voi rwith a solution of wa ter and wind-
screen washer fluid concentra te.A dapt
the mixing ratio tothe outsid etem per-
atures. Brake fluid
G
Risk of accident If
the boiling point ofthe brak ef luid is too
lo w, vapour pocket s mayfor min th e brake
syst emwhen the brak es are applied ha rd
(e .g. when drivin gdo wn hill). This woul dim-
pa irbr ak ing eff icie nc y.
Ha ve thebr ak e fluid renew edevery
tw oy ears with abrake fluid approved by
Me rced es-Ben z. Win
dscreen washer syst em G
Risk of fire Wa
sher fl uid co ncentrate is hig hly flamma-
bl e. Fire ,na ked fl amesand sm okingar epro-
hi bite dwhen wa sher fluid concent rateis
be ing han dled. 216_R
E_2006-12a.book Seit e524 Montag, 2. Oktob er2006 12:06 12
