#
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