cooling MERCEDES-BENZ SLC 2020 User Guide

If
you need todo any work inside theengine
compartment:
R switch offthe ignition
R never reach intothearea where thereisa
risk ofdanger frommoving components,
such asthe fanrotation area
R remove jewelryandwatches
R keep items ofclothing andhair, forexam-
ple, awayfrom moving parts G
WARNING
The cooling systemispressu rized,particu-
larl yw hen themotor iswarm. Ifyou open
the cap, youcould bescalde difh ot coolant
spray sout. There isar isk ofinjury.
Let the engine cooldown before youopen
the cap. Wear protective glovesandprotec-
tive eyew earwhen opening. Openthecap
slow lyto relea sepressu re. Example
X Park thevehicle onalevel surface.
Only check thecoolant levelwhen thevehi-
cle ison alevel surface andtheengine has
cooled down.
X Turn theSmartKey topositio n0048 inthe igni-
tion lock (Ypage 118).
On vehicle swithKEYLESS- GO,press the
Start/St opbutton twice(Ypage 118).
X Check thecoolant temperature gageinthe
multifu nctiondisplay.
The coolant temperature mustbebelow
158 ‡(70 †).
X Turn theSmartKey topositio n0092
(Y page 118)inthe ignition lock. X
Slowl yturn cap 0043half aturn counter-clock-
wise toallow excess pressureto escape .
X Turn cap0043further <004600520058005100570048005500100046004F00520046004E005A004C0056
0048[ and
remove it.
If the coolant isat the level ofmarker bar
0087 inthe fillerneck when cold,there is
enough coolant incoolant expansion
tank 0044.
If the coolant levelisappro ximately 0.6in
(1.5 cm)above marker bar0087inthe filler
neck when warm, thereisenough coolant in
expansion tank0044.
X Ifnecessary ,add coolant thathasbeen tes-
ted and appro vedbyMercedes-Benz.
X Repl acecap 0043and turn itclockwise asfar
as itwil lgo.
Further information oncoolant (Ypage 303).
Windshie ldwashe rsystem G
WARNING
Certai ncomponents inthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhau stsystem, canbecome very
hot. Working inthe engine compartment
poses arisk ofinjury.
Where possible,let the engine cooldown
and touch onlythecomponents describedin
the follow ing. G
WARNING
If you open thehood when thedrive system
has overhea tedorduri ngafire inthe engine
compartment, youcould come intocontact
with hotgases orother escapi ngopera ting
flui ds. There isar isk ofburns.
Let the overhea tedcomponents cooldown
before opening thehood. Inthe event ofa
fire inthe engine compartment, keepthe
hood closed andcallthefire service. G
WARNING
Windshi eldwash erconcentrate ishighl y
flamma ble.Ifwindshi eldwash erconcentrate
gets onto hotcomponents ofthe engine or
the exhau stsystem, itcan ignite. Thereisa
risk offire and injury. 244
Eng
inecompar tmentMaintenanc eand care

Information
aboutappro vedbrake fluidcan be
obtained atany qualifiedspecia listworkshop
or on the Internet at
<004B005700570053001D00120012004500480059005200110050004800550046
00480047004800560010004500480051005D0011004600520050[ .
i Have
thebrake fluidregul arly repla cedata
qua lifiedspecia listworkshop andthe
repla cement confirmed inthe Maintenance
Booklet. Coo
lant
Important safetynotes G
WARNING
If antifreeze comesintocontact withhot
components inthe engine compartment, it
may ignite. Thereisar isk offire and injury.
Let the engine cooldown before youadd
antifreeze. Makesurethatantifreeze isnot
spil led next tothe fillerneck. Thorou ghly
clean theantifreeze fromcomponents
before starting theengine.
! Only
addcoolant thathasbeen premixed
with thedesire dantifreeze protection. You
could otherwise damagethe engine.
You canfind additional notes onthe coolant
in the follow ingplaces:
R in the Mercedes-Benz Specificationsfor
Service Products,MBBeVo 310.1
- on the Internet at
<004B005700570053001D00120012004500480059005200110050004800550046
00480047004800560010004500480051005D0011004600520050[
- on the Mercedes-Benz BeVoapp
R aq ualifie dspecia lizedworkshop
! Alway
suseasuita blecoolant mixture,
even incountries wherehightemperature s
prevai l.
Otherwise ,the engine cooling systemisnot
sufficie ntlyprotected fromcorrosion and
overhea ting.
i Have
thecoolant regularlyrepla cedata
qua lifiedspecia listworkshop andthe
repla cement confirmed inthe Maintenance
Booklet.
Compl ywiththe important safetynotesfor
service productswhen handli ngcoolant
(Y page 299). The
coolant isam ixture ofwater andanti-
freeze/corrosion inhibitor.Itis responsib lefor
the follow ing:
R anti-corrosion protection
R antifreeze protection
R raisi ngthe boiling point
If the coolant hasantifreeze protection down
to -35 ‡(-37 †), theboiling point ofthe cool-
ant duri ngopera tionisappro ximately 266‡
(130 †).
The <004400510057004C0049005500480048005D0048001200460052005500550052
0056004C00520051[ inhibitorconcentr a-
tion inthe engine cooling systemshould:
R be atlea st50% .This willprotect theengine
cooling systemagainst freezing downto
appro ximately -35‡(-37 †).
R not exceed 55%(antifreeze protectiondown
to -49 ‡[-45 †]). Otherwise ,heat willnot
be dissi pated aseffectively .
If the vehicle haslost coolant, addequa l
amou ntsofwater and<004400510057004C0049005500480048005D0048001200460052005500550052
0056004C00520051[
inhibi tor.
Mercedes-Benz recommendsanantifreeze/
corrosion inhibitorconcentr ateinaccordance
with MBSpecificatio nsfor Service Products
310.1.
i When
thevehicle isfirst delivered, itis fil-
led with acoolant mixture thatensures ade-
qua teantifreeze andanti-corrosion protec-
tion.
i The
coolant ischecked withevery mainte-
nance interval ataq ualifie dspecia listwork-
shop.
Fil ling capacitie s Missi
ngvalu eswere notavai lableat time of
going toprint. Model Capacity
SLC
300 Approx.
8.5USqt
(8.0 l) Mercede
s‑Benz
SLC 43AMG Approx.
8.2USqt
(7.8 l) Servic
eproducts andfilling capacitie s
303Techni caldata Z