jump start MERCEDES-BENZ S-CLASS 2020 Owner's Manual

&
WARNIN GRisk ofexplosion from hydro‐
ge ng asign iting
Ab atteryg ene ratesh ydr ogen gasd uring the
ch argin gp roce ss. Ifth er ei sas hortcircuit or
spar ksstar tt of orm, ther ei sad angerofthe
hy drog en gasigniting. #
Mak esuret hat thep ositiv eterminal of
th ec onnect edbatt eryd oes notc ome
int oc ontact with vehicle parts. #
Neverp lace me talo bje ctso rtools ona
batt ery. #
When connectin gand disconn ectingthe
batt ery, yo um usto bse rvet he descr i‐
bed order fort he batt eryc lam ps. #
When giving star tin ga ssis tance, alwa ys
mak esuret hat youo nly con nectbat‐
te ry term inals withident icalpolar ity. #
Dur ing star tin ga ssis tance, youm ust
obse rvet he descr ibedorder forc on‐
necting anddisconnecting thej um per
cables. #
Donotc onnect ordiscon necttheb at‐
te ry cla mp sw hile thee ngine isrunning . &
WARNIN GRisk ofexplosion during
ch argin gp roce ss and star tin ga ssis tance
Dur ing thec har ging process andstar tin g
assis tance, theb atterym ayrelease anexplo‐
siv eg asmix ture. #
Avoid fire ,o pen flames ,creating spar ks
and smoking. #
Mak esuret hat ther ei ss ufficie ntventi‐
la tio nd uringt he chargin gp roce ss and
dur ing star tin ga ssis tance. #
Donotlea no verab attery. &
WARNIN GRisk ofexplosion from afro‐
zen battery
Ad ischar gedb atterym ayfreeze attemp era‐
tur es slightl yabove orbelo wfreezing point.
Dur ing star tin ga ssis tance orbatter yc harg‐
ing, batteryg as ma ybereleased. #
Alw ayst hawaf roze nb atte ry out firs t
bef orec harging itor per form ing star t‐
ing assis tance. If
th ei ndicat or/warning lampsinthei nstrument
clus terd on otlight up atlowt em per atur es,itis
ve ry likelyt hat thed ischar gedb atteryh asfro‐
zen .Int his case youm ayneither jump-start the
ve hicle norcharge theb attery.
The service lifeo fab atteryt hat has been
th awe dmaybe dramaticall yshor tened .The
st ar tin gc har acteristics maybeimp aired, espe ‐
ciall yatlow temp eratur es.
It is recomme ndedthat youh ave athawe db at‐
te ry checkeda taq ualifiedspec ialistworks hop.
Plug-in hybrid: besur etoo bser vethen otes in
th eS upplement .Other wise, youm ayfailto rec‐
ogni zedangers.
Al lv ehic les
* NO
TEDama gecau sed bynum erou so r
ex tende dattem ptst os tart thee ngine Nu
me rous orextende dattem ptst os tart the
engine maydamag ethe cat alytic converter
due tonon-co mbusted fuel. #
Avoid numer ousand extende dattem pts
to star tt he engine. 43
4
Breakdo wnassis tance

Obser
vethef ollo wing points during star tin g
assis tance and when chargin gthe batt ery:
R Onlyuseundamag edjum per cables/c harg‐
ing cables withas ufficie ntcross -secti onand
insu late dt erminal clamps.
R Non-insulat edpar tsof thet erminal clamps
mus tnotcom eintoc ontac twitho ther me tal
par tswhile thej um per cable/c harging cable
is con nect edtotheb attery/jum p-start con‐
nectio npoint.
R The jumper cable/c harging cable mustnot
com eintoc ontac twitha nypar tswhic hmay
mo vewhen thee ngine isrunning .
R Alw aysm akes uret hat neither youn orthe
batt eryi se lect rostatic allyc harg ed.
R Keep away from fire and open flames .
R Donotlean overthe batt ery.
Obser vethea dditional follo wing pointswhen
ch argin gthe batt ery:
R Onlyusebatt eryc har gers tested and
appr oved forM ercedes-Benz.
R Read theb atteryc har ger's oper ating instruc‐
tions beforec har ging theb attery. Obser
vethea dditional follo wing pointsduring
st ar tin ga ssis tance:
R Startin ga ssis tance maybep erform ed using
onl ybatteries withan ominal voltag eo f12V .
R The vehicles mustnottouc h.
R Vehicl eswith agasoli neengi ne:Jump-
st ar tt he vehicle onlyw hen thee ngine and
ex haus tsyst em arec old. St
arting assistance andchargin gthe 12V
batt ery Re
quirement s:
R The vehicle issecur edwiththe electr icpar k‐
ing brak e.
R The transmission isin position 005D.
R The ignition andallelectr icalconsumer sare
switc hedoff.
R The hood isopen. #
Slide cover3 ofposi tivec lam p4 onthe
jum p-starting con nection point inthed irec‐
tion ofthea rrow . #
Con nect posi tivec lam p4 onyour vehicle to
th ep ositiv epole ofthed onor batteryu sing
th ej um per cable/c harging cable. Always
begin withp ositiv eclam p4 onyour ow n
ve hicle firs t. Br
ea kdo wnassist anc e435