Page 305 of 422

&
WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros tatic charge can cause spa rksw hich
ma yignit ethe highly flammable gasm ixture
in theb atter y. #
Todischar geanye lectrostatic charge
th at ma yhave built up, touc ht he me tal
ve hicle body befor ehandling theb at‐
te ry. The highly
flammable gasm ixtur eisc reated while
th eb atter yisc harging and when jump-s tarting. &
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. #
Immedia tely rinse batter yacido ffthor‐
oughly wit hplenty of clean waterand
seek medica lattention immediately. +
ENVIRONMENTAL
NOTEEnvironmental
damag ecaused byimproper disposal of
batteries Bat
teries contain pollutants. It is
illegal todispose of them wit hthe household
ru bbish. #
Dispose of batteries in an
environmen tallyr esponsibl emanner.
Ta ke dischar gedb atteries toaq ualified
specialis tworks hop or toac ollection
poin tfor used batteries. If
th e12Vb atteryhastobe connected, con tact a
qu alified specialis tworks hop.
Obser vethes afet yn otes and pr otectiv emeas‐
ures when handling batteries. Risk of
explosion Fire, open
flames and smokin gare
prohibited when handlin gthe batter y.
Av oid creating spar ks. Electrolyte
or batteryacid is cor ro‐
sive. Avoid contact wit hthe skin, eyes
and clo thing. Wear suitable pr otective
clo thing, in particular glove s, an apron
and asafet ym ask. Immedia tely rinse
electrolyt eacids plashes of fwith
clea nwater .Ifn ecessar y,seek medi‐
cal advice. We
areyep rotection. Ke
ep children at asafed ista nce. Obser
vethese Operating Instructions.
If yo udon otuse thev ehicle foral ong period or
driv eshor tdista nces regular ly:
R connect theb atter ytoac hargerrecommen‐
ded forM ercedes-Benz.
R consult aqualified specialis tworks hop todis‐
connect theb attery St
arting assistanc eand chargin gthe 12 V
battery #
Alwaysu sethej ump-s tart connection point in
th ee ngine compartmen twhen chargin gthe
batter yand jump-s tarting.
* NO
TEDamaging theb atter ythrough
ove rvoltage When
chargin gusingab atterycharger with‐
out amaximu mcharging voltage, theb attery
or thev ehicle electronics ma ybedamaged. #
Onlyuse batter ycharger switham axi‐
mum chargin gvoltag eof1 4.8V. Breakdown assis
tance 281
Page 306 of 422

&
WARNING Risk ofexplosion from hydro‐
ge ng as igniting
Ab atter ygenerates hydrogen gasd uring the
ch argin gprocess. If ther eisas hortcircuit or
spar ksstar ttof orm, ther eisad anger of the
hy drogen gasigniting. #
Mak esuret hat thep ositiv eterminal of
th ec onnected batter ydoes no tcome
int oc ontact wit hvehicle parts. #
Neverp lace me talo bject sort ools on a
batter y. #
When connectin gand disconnectin gthe
batter y,yo um usto bse rvet he described
order fort he batter yclamps. #
When giving startin gassistance, alw ays
mak esuret hat youo nly connec tbattery
te rm inals wit hidentical polarity. #
During startin gassis tance, youm ust
obse rvet he described order forc on‐
necting and disconnecting thej umper
cables. #
Do no tconnect or disconnect theb at‐
te ry cla mp sw hile thee ngine is running. &
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 hat ther eiss ufficient venti‐
lation du ring thec harging process and
during startin gassis tance. #
Do no tlea no verab atter y. &
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 ma ybereleased. #
Alwayst hawaf roze nb atter youtfirst
befor echarging it or per form ing starting
assis tance. If
th ew arning /indicator lamps do no tlight up in
th ei nstrument displa yaround or belo wfreezing point, it is
very likel ythat thed ischarged battery
has frozen.
In this case, obser vethef ollowing points:
R do no tgivet he vehicle startin gassis tance or
ch arge theb attery
R thes ervice lif eofabatterythat has been
th awe dmaybe reduced drastically
R thes tart-u pb ehavior ma ydeteriorate, partic‐
ularly at lo wtemperatures
R it is recommended that youh ave athawed
batter ychec kedataq ualified specialis twork‐
shop
* 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. Obser
vethef ollowing points during starting
assis tance and when chargin gthe battery:
R onlyuse undamaged jumper cables/charging
cables wit hasufficient cross-sectio nand
insula tedt erminal clamps
R non-insulated parts of thet erminal clamps
mus tnotcom eintoc ontact wi thother me tal
parts while thej umper cables/charging
cables ar econnected totheb attery/jump-
st ar tc onnectio npoint
R thej umper cables/charging cable mus tnot
come int ocontact wit hanyparts whic hmay
mo vewhen thee ngine is running
R alwa ys mak esuret hat neither youn orthe
batter yiselectros tatically charged
R alwaysk eep away from fire and open flames
R do no tlean overab attery
R when charging: onlyuseab atter ychar ger
th at has been tested and appr ovedby
Mercedes-Benza ndread theo perating
instruction sfor your charge rb efor echarging
th eb atter y.
Obser vethea dditional following point sduring
st artin gassis tance:
R startin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof12V
R thev ehicles mus tnot to uche acho ther 282
Breakdown assis tance
Page 307 of 422

R
vehicles with agasoline engine: onlyper‐
fo rm startin gassis tance when thee ngine and
ex haus tsystema recold #
Vehicles with abatter ymain switch: check
whe ther theb atter ymain switc hisswitched
on (/ page115). #
Secur ethe vehicle using thep arking brake. #
Vehicles with automatic transmission:
shif tthe transmission toposition 005D. #
Switc hoffthei gnition and all electrical con‐
sumers. #
Open theh ood (/ page264). Example: jump-s
tart connection point
% Right-hand-driv
evehicles: thej ump-s tart
connection points ma ybeonthe opposite
side. #
Remo vethec ove rfromt he positiv eterminal
on thed onor batter y. #
First,c onnec tthe positiv eterminal clam pof
th ej umper cables/charging cables tothe
positiv eterminal of theo ther vehicle's bat‐
te ry. #
With positiv eterminal clamp 2ofthe
jumper cable ,slide ther ed pr otectiv ecap on
jump-s tart connection point 1back witha
clockwis eturn. #
Connect thep ositiv eterminal clam ptothe
positiv eterminal of jump-s tart connection
point 1. #
During starting assistance: star tt he engine
of thed onor vehicle and le titrun at idle
speed. #
Connect then egativ eterminal of thed onor
batter ytothe ground point of your ow nv ehi‐ cle wit
hthe jumper cable/charging cable.
Begin wit hthe donor batter y. #
During starting assistance: star tt he engine
on your ow nv ehicle. #
When charging: star tt he chargin gprocess. #
During starting assistance: lett he engine
ru nf or afew minutes. #
During starting assistance: beforediscon‐
necting thej umper cable, switc honanelec‐
trical consumer on your ow nv ehicle, e.g. the
re ar wind owheater or lighting.
When thes tartin ga ssis tance/charging proces sis
comple te: #
First,r emo vethej umper cables/charging
cables from theg round point and negative
te rm inal of theo ther vehicle's batter y,then
from thep ositiv eterminal of jump-s tart con‐
nectio npoint 1and thep ositiv eterminal of
th eo ther vehicle's batter y.Eac htime ,begin
at thec ontacts on your ow nv ehicle.
The redp rotectiv ecap springs bac ktoits ini‐
tial position when positiv eterminal clamp 2
is disconnected from jump-s tartconnection
point 1.
Fu rther information can be obtained at aqualified
specialis tworks hop. Installing/removing
thef loor co vering (vehi‐
cles with rear wheel drive) &
WARNING Risk of accident du eto
object sinthe driver's foot we ll
Object sinthe driver's foot we ll ma yimp ede
pedal tr avel or bloc kadepressed pedal.
This jeopardizes theo perating and road
saf etyoft hevehicle. #
Stow all object sinthevehicle securely
so that they canno tget intot he driver's
fo ot we ll. #
Ensur efloor mats and carpets cannot
slip and pr ovide suf ficient room fort he
pedals. #
Do no tlay multiple floor mats or carpets
on topofo ne ano ther. Breakdown assis
tance 283
Page 308 of 422

#
Switc hoffalle lectrica lconsumers. #
Toremo ve: unscr ewscrews 3and remo ve
trim 2. #
Remo vefloor co vering 1. #
Toinstall: insertfloor co vering 1 and align
it at theb ase of thed rive r's seat and at the
door sill. #
Put trim 2in place and scr ewscrews 3
bac kin. Disconnecting
thes tar terb attery *
NO
TEDama getothee lectrical assembly By disconnectin
gthe star terb atter ybefore
th ee ngine is switched of fand thek eyis
re mo vedf romt he ignition loc k,electrical
assemblies could be damaged. #
Switc hoffthee ngine and remo vethe
ke yf romt he ignition loc k.Then, release
th eb atter yclamps of thes tarter bat‐
te ry. #
Alwaysd isconnect thes tarterb atter yin
th eb atter ycase in thel eftf ootwell firs t.
Otherwise, electrica lassemblies, e.g.
th ea lternator ,could be damaged. *
NO
TEDama getothev ehicle's electron‐
ics If
yo udon otdisconnec tthe batter yasdescri‐
bed here, thev ehicle's electronics could be
damaged. #
Alwaysd isconnect thes tarterb atter yin
fo llowing thes equence, and do not
re ve rset he batter yterminals under any circums
tances. Otherwise, thev ehicle's
electronics could be damaged. Ve
hicles wit hrear wheel drive
If th ev ehicle is expected tobe par keduporo ut
of use foro verthree weeks, disconnect theb at‐
te ries. This will pr event batter ydisch arge caused
by quiescent cur rent consumers. #
Vehicles with abatter ymain switch:
switc hoffthem ain switc hofthe batter y. #
Vehicles without abatter ymain switch:
switc hoffall electrical consumers. #
Switc hoffthee ngine and thep ower suppl y. #
Remo vethef loor co vering (/ page 283). #
Remo vescr ews 1and slide batter ycover
2 inthed irection of thea rrow.
The scr ewsm ustp rotrud eoverthe lar ger
re cesses. #
Remo vebatter ycover 2upwards. 284
Breakdown assi stance
Page 309 of 422

#
Firstloosen and remo vethen egativ eterminal
clam pont he batter ysothatthec lam pisno
longer in contact wit hthe term inal. #
Remo vethep ositiv eterminal clam pcover. #
Loose nthe positiv eterminal clam pand fold it
up tothes ide, toge ther wit hthe prefuse box. Re
moving/installin gthe star terb attery Ve
hicles with rear wheel drive: removing the
st ar terb attery #
Disconnect thes tarter batter y(/ pag e284). #
Remo vebreather hose 1withthe connector
brac ketfromt he connection on thed egassing
co ver. #
Pull out and remo vescr ews 2of brac ket3
up wa rds. #
Slide thes tarter batter yfromi ts anchorag ein
th ed irection of tr avel. #
Foldtheb arsoft hestar terb atter yupwards
and remo vethes tarter batter yfromt he bat‐
te ry box.
Ve hicles with rear wheel drive: installin gthe
st ar terb attery #
Whe nreconnecting thes tarter batter y,
obser vethes afet ym easures and pr otection
no tes( /pag e281). #
Inser tthe star terb atter yintot he batter ybox. #
Fold down theb arsoft hestar terb atter y. #
Slide thes tarter batter yintoi ts anchorag ein
th eo pposit edirection tothed irection of
tra vel. #
Inser tbrack et 3 . #
Tighten scr ews2on brac ket3whic hholds
th eb atter yinp lace. #
Attach breather hose 1withthe connector
brac kettot he connection of thev entilation
co ver. #
Reconnect thes tarter batter y(/pag e284).
Mercedes-Benz recommends that youh ave the
st ar terb atter yreplaced at aqualified specialist
wo rkshop, e.g. an authorized Mercedes-Benz
Center.
If yo uw ant toreplace thes tarter batter yyourself,
obser vethef ollowing no tes:
R Alwaysr eplace adefectiv estarter battery
wit has tarter batter ywhichm eets thes pe‐
cific requirements of thev ehicle.
R Carryover de tach able parts suc hasthevent
hose, elbo wfittin gort erminal co verfromt he
st ar terb atter ytober eplaced.
R Mak esuret hat thev ent hose is alw aysc on‐
nected toits original openin gonthe battery
side.
Ins tallth ee xisting or newly supplied stop
plugs. Breakdown assis
tance 285
Page 310 of 422

Otherwise,
gases or batter yacid could
escape.
R Mak esuret hat thed etachable parts ar econ‐
nec tedint he same wayasb efore. Disconnecting
thea uxiliar ybattery inthe
engine compa rtment *
NO
TEDama getothee lectrical assembly By disconnectin
gthe star terb atter ybefore
th ee ngine is switched of fand thek eyis
re mo vedf romt he ignition loc k,electrical
assemblies could be damaged. #
Switc hoffthee ngine and remo vethe
ke yf romt he ignition loc k.Then, release
th eb atter yclamps of thes tarter bat‐
te ry. #
Alwaysd isconnect thes tarterb atter yin
th eb atter ycase in thel eftf ootwell firs t.
Otherwise, electrica lassemblies, e.g.
th ea lternator ,could be damaged. *
NO
TEDama getothev ehicle's electron‐
ics Incor
rectly disconnecting thea uxiliar ybattery
can cause damag etothevehicle's electron‐
ics. #
Alwaysd isconnect thea uxiliar ybattery
as described in thef ollowing sequence.
Do no treve rset he batter yterminals
under an ycircums tances. #
Obser vethes afet ym easures and pr otection
notices when disconnectin gthe auxiliar ybat‐
te ry ( / pag e281). #
Switc hoffall electrical consumers. #
Switc hoffthee ngine and thep ower suppl y. #
Open theh ood (/ page264). #
Firstloosen and remo vethen egativ eterminal
clam pont he auxiliar ybatter ysot hatthe
cla mp is no longer in con tact wi th thetermi‐
nal. #
Remo vethep ositiv eterminal clam pcover. #
Loose nand remo vethep ositiv eterminal
clamp. To
wing or tow- starting Overvie
wofpermissible towing me thods In
thee vent of abreak down, Mercedes-Benz rec‐
ommends that youh ave thev ehicle transpor ted
ins tead of towe d.
* NO
TEDama getothev ehicle due to tow‐
ing away incor rectly #
Obser vethei nstruction sand no teson
to wing away. %
Ve
hicles with automatic transmission
and rear wheel drive: ifth er eisam alfunc‐
tion, thea utomatic transmission ma ybe
loc kedinp osition 005D.
If th ea utomatic transmission cann otbe shif‐
te dtop osition 005C,transpor tthe vehicle
(/ page289). Atow ing vehicle wit hlifting
equipment is requ ired forv ehicle transport. 286
Breakdown assis tance
Page 311 of 422

Pe
rm issible towing me thods Bo
th axle sont he
gr ound Fr
ont axle raised Re
ar axle raised
Ve hicles wit hauto‐
matic transmission and
re ar wheel drive Ye
s, no fur ther than
31 miles (50 km) at
31 mp h(50 km/h) Ye
s, no fur ther than
31 miles (50 km) at
31 mp h(50 km/h) Ye
s, if thes teering
wheel is fixe dint he
center position wit ha
st eering wheel lock
Ve hicles wit hall-wheel
drive Ye
s, no fur ther than
31 miles (50 km) at
31 mp h(50 km/h) No
NoTo
wing wit haraisedaxle: towing should be
per form ed byatow ing compan y. To
wing away thev ehicle wit hbotha xleson
th eg round #
Obser vethen otes on permissible towing
me thods (/ page286). #
Mak esuret hat theb atter yisc onnected and
ch arge d.
When theb atter yisd ischar ged, thef ollowing sit‐
uations occur:
R The engine canno tbestarted.
R It is no tpossible torelease or appl ythe elec‐
tric parking brake.
R Vehicles with automatic transmission: the
automatic transmission canno tbeshiftedto
position 005Cor005D.
* NO
TEDama gedue to to wing away at
exc essivel yhigh speeds or overlong dis‐
ta nces The driv
etra in could be damaged when towing
at exc essively high speeds or over long dis‐
ta nces. #
Atow ing speed of 30 mph(50 km/h)
mus tnotbe exc eeded. #
Atow ing distanc eof30miles (50 km)
mus tnotbe exc eeded. %
Ve
hicles with automatic transmission
and rear wheel drive: ifth er eisam alfunc‐
tion, thea utomatic transmission ma ybe
loc kedinp osition 005D. If
th ea utomatic transmission cann otbe shif‐
te dtop osition 005C,transpor tthe vehicle
(/ page289). Atow ing vehicle wit hlifting
equipment is requ ired forv ehicle transport. &
WARNING Risk of accident whe ntow ing
av ehicle whic histoo heavy
If th ev ehicle being tow- star tedort owed
aw ay is heavier than thep ermissible gross
mass of your vehicle, thef ollowing situations
can occur:
R The towing eyem aybecome de tach ed.
R The vehicle/trailer combination may
swer veoreve noverturn. #
If ano ther vehicle is tow- star tedor
to we da way,its weight mus tnotexc eed
th ep ermissible gross mass of your own
ve hicle. If
av ehicle needs tobe towe dort ow st arted, its
we ight should no tbegreater that thep ermissible
gross mass of thet ow ing vehicle. #
Information on thev ehicle's permissible gross
mass can be found on thev ehicle identifica‐
tion plat e. #
Vehicles with automatic transmission: do
no to pen thed rive r's or front-passen gerd oor,
as thea utomatic transmission will automati‐
cally shif ttoposition 005D. #
Installth et ow ing eye( /pag e289). #
Secur ethe towing device. Breakdown assis
tance 287
Page 312 of 422

*
NO
TEDama gedue toincor rect connec‐
tion #
Only connect thet ow ro pe or towb arto
th et ow ing eyes. %
Yo
uc an also secur ethe towing devic etothe
trailer hitch.
* NO
TEDama geand risk of accident when
to wing wit hatow ro pe Ther
eisar isk of an accident if youdon ot
obse rves afet ya nd pr otectiv emeasures when
to wing using atow ro pe.
Obser vethef ollowing points when towing
wit hat ow ro pe: #
Secur ethe towr ope on thes ame side
on bo thvehicles, if possible. #
Mak esuret he towr ope does not
exc eed thel egally prescribed length. #
Mar kthe towr ope in them iddle, e.g.
wit haw hitec loth (30 x30c m). This
makes other road user sawarethat a
ve hicle is being towe d. #
Obser vetheb rake lamps of thet ow ing
ve hicle while driving. Alw aysm aintain a
dis tance that ensures thet ow ro pe does
no ts ag. #
Do no tuse steel cables or chains to tow
yo ur vehicle. Otherwise, youc oul dd am‐
ag et he vehicle. #
Deactivat eautomatic locking (/ page46). #
Do no tactivat ethe HOLD function. #
Deactivat ethe tow- aw ay alar m(/pag e58). #
Deactivat eActiv eBrake Assi st (/ pag e142). #
Vehicles with automatic transmission:
shif tthe automatic transmission toposition
005C. #
Release thep arking brake. &
WARNING Risk of accident du etolimi‐
te ds afet y-re lated function sduring the
to wing process
Saf ety-re lated function sarelimited or no lon‐
ge ra vailable in thef ollowing situations:
R thei gnition is switched off.
R theb rake system or po wersteering sys‐
te mism alfunctioning. R
thee nergy suppl yorthe on-boar delectri‐
cal sy stem is malfunctioning.
When your vehicle is then towe da way,signifi‐
cantly mor eeffor tm aybe requ ired tosteer
and brak ethan is normally required. #
Use atow bar. #
Mak esuret hat thes teering wheel can
mo vefreely ,befor etow ing thev ehicle
aw ay. *
NO
TEDama gedue toexc essiv etractive
po wer If
yo up ullaway sharpl y,thet ractiv epower
ma ybet oo high and thev ehicles could be
damaged. #
Pull away slowl yand smoo thly. To
wing avehicle wit hthe front or rear axle
ra ised *
NO
TEDama gewhen thei gnition is
switched on If
yo ul eave thei gnition switched on when
to wing thev ehicle wit hthe front or rear axle
ra ised, ESP ®
actuation can damag ethe brake
sy stem. #
The ignition mus tbeswitched off. *
NO
TEDama gedue toincor rect remo val
or ins tallation of thep ropeller shafts When ins
talling thep ropeller shafts, they can
be damaged if youdon otuse ne wscrew s.
Alw aysu se ne wscrew sw hen ins talling the
propeller shafts.
Onl yhave thep ropeller shafts ins talled or
re mo vedbyq ualified, skilled personnel. %
If
th ef ront axle is damaged, raise thev ehicle
at thef ront axle and if ther ear axle is dam‐
aged, raise thev ehicle at ther ear axle.
% Ve
hicles with automatic transmission
and rear wheel drive: ifth er eisam alfunc‐
tion, thea utomatic transmission ma ybe
loc kedinp osition 005D.
If th ea utomatic transmission cann otbe shif‐
te dtop osition 005C,transpor tthe vehicle
(/ page289). Atow ing vehicle wit hlifting
equipment is requ ired forv ehicle transport. 288
Breakdown assis tance