2021 MERCEDES-BENZ METRIS jump start

Ke
ep children at asafed ista nce. Obser
vethese Operating Instructions.
Obser vethef ollowing no tes:
R Recharge theb atter ymoref requ entl yint he
fo llowing cases:
- Youp redominantl ydrive shor tdista nces.
- Youp redominantl ydrive at lo woutside
te mp eratures.
- Youl eave thev ehicle par kedf or alengt hy
period.
In order fort he batteries toachie vetheir max‐
imum possible service life, they mus talways
be suf ficiently charge d.
R Consult aqualified specialis tworks hop if you
wish tolea veyour vehicle par kedupf or a
long period of time.
R When youp arkt he vehicle, remo vethek eyif
yo udon otrequ irea nyelect rical consumers.
The vehicle will then use very little energy,
th us conservin gbatte ry powe r.
R Ifyo ur vehicle requ ires jump-s tarting, or if you
wish toprov ide jump-s tarting assis tance to
ano ther vehicle, only use thej ump-s tart con‐
nectio npoint in thee ngine compartment
(/ page191).
Installa tionlocations
Yo ur vehicle ma ybeequipped wit hthe following
th re eb atteries, depending on thee quipment ver‐
sion:
R Starterb atter yint he seat base of ther ight-
hand front seat
R Suppor tbatter yint he seat base of ther ight-
hand front seat
R Auxilia rybatter yinthe seat base of thel eft-
hand front seat St
arting assistanc eand chargin gthe 12 V
battery &
WARNING Risk ofexplosion from afro‐
zen battery
Ad ischar gedb atter ymayfreeze at temp era‐
tures slightl yabove or belo wfreezing point.
During startin gassis tance or batter ycharg‐
ing, batter ygas can be released. #
Alwaysa llowab atterytot hawb efore
ch argin gitorp erform ing startin gassis‐
ta nce. If
th ew arning/indicator lamps do no tlight up in
th ei nstrument clus teratt emperatures around or
belo wfreezing, it is highl yprobable that thed is‐
ch arge db atter yhas frozen.
In this case, obser vethef ollowing points:
R Do no tgivet he vehicle startin gassis tance or
ch arge theb attery
R The service lif eofabatterythat has been
th awe dmaybe reduced drastically
R The startin gbehavior ma ydeteriorate, partic‐
ularly at lo wtemperatures
R It is recommended that youh ave athawed
batter ychec kedataq ualified specialis twork‐
shop &
WARNING Risk ofexplosion during
ch argin gprocess and startin gassis tance
During thec harging process and starting
assis tance, theb atter ymayrelease an explo‐
siv eg as mixture. #
Avoid fire ,o pen flames ,creating spar ks
and smoking. #
Mak esuret her eiss ufficient ventilation. #
Do no tlea no verab atter y. &
WARNING Danger of chemical burns
from theb atter yacid
Batter yacid is caustic. #
Avoid contact wit hthe skin, eyes or
clo thing. #
Do no tlean overthe batter y. #
Do no tinhal ebattery gases. #
Keep children away from theb atter y. Breakdown assis
tance 191

#
Immedia tely rinse batter yacido ffthor‐
oughly wit hplenty of clean waterand
seek medica lattention immediately. St
arting assistance
* NO
TEDama gecaused bynume rous or
ex tende dattempts tostar tt he engine Numerous or
extende dattempts tostar tt he
engine ma ydamag ethe catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extende dattem pts
to star tt he engine. Do no
tuse arapid chargin gdevicetos tart the
ve hicle. If your vehicle's batter yisdischar ged,
th ee ngine can be jump-s tarted from ano ther
ve hicle or from adonor batter yusing jumper
cables. Forthis purpose, thev ehicle has ajump-
st ar tc onnectio npointint he engine compart‐
ment.
When jump-s tarting, obser vethef ollowing points:
R The batter yisnotaccessible in all vehicles. If
th eo ther vehicle's batter yisnotaccessible,
st artin gassis tance is tobe pr ovided using a
dono rbatter yoras tartin ga ssis tance device.
R Youm ayonly jump-s tart thev ehicle when the
engine and exhaus tsystema recold.
R Do no tstart thee ngine if theb atter yisfro‐
zen.L ettheb atter ythawf irst.
R Startin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof12V.
R Onlyuse jumper cables that ha veas ufficient
cross-sectio nand insula tedt erminal clamps.
R Ifth eb atter yisfully dischar ged, attac hthe
donor batter yfor afew minutes before
attem pting tostart. This charge st he dis‐
ch arge db atter yalittle.
R Mak esuret hat thet wo vehicles do no ttouch.
Jumper cables and fur ther information rega rding
st artin gassis tance can be obtained at an yquali‐
fi ed specialis tworks hop.
Ensur ethe following befor econnectin gthe
jumper cables:
R The jumper cables are no tdamaged.
R Partsoft heterm inal clamps whic harenot
insulated do no tcom eintoc ontact wi thother me
talp arts while thej umper cables ar econ‐
nected totheb atter y.
R The jumper cables do no ttouc hm ovingp arts
when thee ngine is star teda nd while it is run‐
ning ,suc hast heV-belt pulle yorthefan. #
Apply thep arking brake. #
Shif tthe transmission toposition 005D. #
Switc hoffall electrical consumers, e.g. audio
device, blo wer. #
Switc hoffthei gnition immediately and
re mo vethek ey. #
Open theh ood (/ page176).
Connec tinga nd disconnecting the jumper
cables Example: jump-s
tart connection point #
Push contact pr otection co ver1ofthe
jump-s tart connection point towa rdst he rear
of thev ehicle agains tthe spring pressur eas
fa rasitw illg o.
The jump-s tart connection point is visible. 19 2
Breakdown assis tance

Te
rm inal connection diagram #
Remo vethec ove rfromp ositiv eterminal 3
of thed onor batter y. #
Connec tthe positiv eterminal clam pofthe
jumper cable topositiv eterminal 3ofthe
donor batter y,and then topositiv eterminal
5 ofthej ump-s tart connection point. #
Connect then egativ eterminal clam pofthe
jumper cable tonegati ve terminal 2ofthe
donor batter y,and then toground cont act4
of your ow nv ehicle. #
Startt he engine of thed onor vehicle and run
it at idling speed. #
Inser tthe keyintot he ignition loc k,star tt he
engine and le titrunfors eve ralm inutes. #
Befor edisconnecting thej umper cables,
switc honane lectrical consumer in your own
ve hicle, e.g. ther ear windo wheater or the
lighting. #
Disconnect then egativ eterminal clam pof
th ej umper cable from ground contact 4and
th en from negativ eterminal 2ofthed onor
batter y. #
Disconnect thep ositiv eterminal clam pofthe
jumper cable from positiv eterminal 5on
th ej ump-s tart connection point, and then
from positiv eterminal 3ofthed onor bat‐
te ry.
Con tact pr otection co ver1is automatically
re turned forw ards toits original position by
th es pring forc ea nd thej ump-s tart connec‐
tion point is closed. #
Position thec ove ronp ositiveterminal 3of
th ed onor batter y. #
Have theb atter ychec kedataq ualified spe‐
cialis tworks hop. Charging
the12Vb attery
* NO
TEDama getothee lectronics caused
by non-app rove dc harging devices Charging an ins
talled batter ywithab attery
ch arge rw hichh as no tbeen appro vedby
Mercedes-Benzc an damagethe on-board
electronics. #
Onlyuseab atter ycharger whic hhas
been appro vedbyM ercedes-Benza nd
whic hpermits chargin gthe battery
when it is ins talled in thev ehicle. #
Onlycharg ethe batter yusing thej ump-
st ar tc onnectio npoint. Ab
atter ychar gers pecially adapte dfor
Mercedes-Ben zvehicles and tested and appr oved
fo rM ercedes-Benz is available as an accesso ry.
Fu rther information is available from any
Mercedes-Ben zCommercial VanC enter.Re ad the
operating instructions fory our charge rb efore
ch argin gthe batter y.
Re charge theb atter ymoref requ entl yify ou use
th ev ehicle mainl yfor shor ttrips and/or driv eat
lo wo utsid etemperatures. #
Connec tthe batter ychar gertot he positive
te rm inal and ground con tact in thes ame
order as when connectin gthe donor battery
in thej ump-s tarting procedure.
% If
ab atter yisn otins talled and no tinservice,
yo us houl dcharg eite very thre em onths. This
helps tocounteract self-discharging and pre‐
ve nt damag etothe batter y.
12 Vb atter ycare
* NO
TEBatter ydisch arging du etoleakage
cur rent Dirty batter
yclamp sand batter ysurfaces
cause lea kage cur rent. Thi scan lead tothe
batter ydischarging. #
Keep theb atter yterminals and battery
sur faces clea nand dr y. *
NO
TEDama getotheb atter yhousing
due toimproper cleaning If
yo uu se cleanin gagentsc ontainin gfuel,
th ese can damag ethe batter yhousing. #
Do no tuse cleaning agentsc ontaining
fuel. Breakdown assis
tance 19 3