Page 385 of 533

#
Driv etot he neares tqualified specialis twork‐
shop and ha vethet yre, tyr esealant bottle
and filling hose replaced there. Batte
ry(vehicle) Note
sont he12Vb attery &
WARNING Risk of an accident du eto
wo rkcar ried out incor rectly on theb at‐
te ry
Wo rkcar ried out incor rectl yont he battery
can, fore xamp le, lead toas hor tcircuit .This
can lead tofunction restrictions in saf ety-re l‐
eva nt sy stems, e.g. thel ighting sy stem, ABS
(anti-loc kbraking sy stem) or ESP ®
(Elec‐
tronic Stabilit yProgram). The ope rating
saf etyofy ourvehicle ma yberestricted.
Yo uc ould lose cont roloft hevehicle in the
fo llowing situations:
R when braking
R inthee vent of ab rupt steering manoeu‐
vres and/or when thev ehicle's speed is
no ta dap tedtot heroad conditions #
Inthee vent of ashortcircui tora simi‐
la ri ncident, contact aqualified special‐
is tw orks hop immediately. #
Do no tcontinue driving. #
Alw aysh ave workon theb atter ycarried
out at aqualified specialis tworks hop. R
Further information on ABS (→ page171 )
R Further information on ESP ®
(→ pag e172)
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nly use bat teries whic hhave been tes‐
te da nd appr ovedfor your vehicle byMercedes-
Benz.T hese batteries pr ovide inc reased impact
pr otection topreve ntvehicle occupants from
suf fering aci dburns should theb atter ybed am‐
aged in thee vent of an accident. Al
lv ehicles exceptv ehicles wit halithium-
ion battery &
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 lectros tatic 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 theb atter yisc harging and during starting
assis tance. &
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. 382
Breakdown assis tance
Page 386 of 533

#
Do no tinhal ebattery gases. #
Keep children away from theb atter y. #
Immedia tely rinse batter yacido ffthor‐
oughl ywithp lenty of clean waterand
seek medica lattention immediately. All
vehicles
+ ENVIRONMENTAL
NOTEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
in 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
yo uh ave toconnect the12v olt batter y,con‐
ta ct aq ualified specialis tworks hop.
Compl ywiths afet yn otes and take protective
measures when handling batteries. Risk of
explosion Fire, naked
flames and smokin gare
prohibi tedw hen handling theb atter y.
Av oid creating spar ks. Electrolyte
or batteryacid is cor ro‐
sive. Avoid contact wit hthe skin, eyes
or clo thing. Wear suitable pr otective
clo thing, in particular glove s, an
apron and aface mask .Immedia tely
ri nse electrolyte or acid splashes off
wit hc lean water.Consult adoctorif
necessar y. We
ar saf etyg lasses. Ke
ep children away. Obser
vethis Owner's Manual.
If yo udon otinten dtou sethev ehicle overan
ex tende dperio doft ime:
R Activat estandb ymode ,or
R Connec tthe batter ytoabatte ry charger
appr ovedbyM ercedes-Benz, or
R Consult aqualified specialis tworks hop to
disconnec tthe battery Breakdown assis
tance 383
Page 387 of 533

St
arting assi stance and chargin gthe 12 V
battery Ve
hicles with alithium-ion battery #
When chargin gthe batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
* NO
TEDama getotheb atter yfromo ver‐
vo ltage When
chargin gusingab atte ry charge rw ith‐
out amaximu mcharging voltage, theb attery
or theo n-boar delectronics ma ybedamaged. #
Onlyuse batter ycharger switham axi‐
mum chargin gvoltag eof1 4.4V. *
NO
TEShor tening thes ervice lif eofthe
batter ybycharging theb atter yatl ow
te mp eratures Chargin
gthe batter yatveryl ow temp era‐
tures ma yshor tent he service lif eofthe bat‐
te ry and ha vean egativ eeffect on starting. #
Do no tcharg ethe batter yatveryl ow
te mp eratures. All
other vehicles #
When chargin gthe batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
* NO
TEDamaging theb atter ythrough
ove rvoltage When using
abatter ychar gerw ithout amaxi‐
mum chargin gvoltage, theb atter yort he
ve hicle electronics ma ybedamaged. #
Onlyuse batter ycharger switham axi‐
mum chargin gvoltag eof1 4.8V. &
WARNING Risk ofexplosion from hydro‐
ge ng as igniting
Ab atter ygene ratesh ydrogen 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 wi thvehicle 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 descri‐
bed order fort he batter yclamps. #
When giving startin gassis tance, al ways
mak esuret hat youo nly connec tbat‐
te ry term inals wit hidentical polarity. #
During startin gassis tance, youm ust
obse rvet he described order forc on‐
necting and disconnecting thej ump
lead. #
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. 384
Breakdown assis tance
Page 388 of 533

#
Avoid fire ,n aked flames ,creating
spar ksand smoking. #
Mak esuret hat ther eiss ufficient venti‐
latio ndurin gthe chargin gprocess and
during startin gassis tance. #
Do no tlea no verab atter y. If
th ei ndicator/warning lamps in thei nstrument
clus terdon otlight up at lo wtemperatures, it is
ve ry likel ythat thed ischar gedb atter yhas fro‐
zen. &
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. #
Alw ayst hawaf roze nb atte ry out first
befor echarging it or per form ing start‐
ing assis tance. The service li
feof ab atter ythat has been
th awe dmaybe dramaticall yshor tened. It is
recommended that youh ave athawe db at‐
te ry checkedataq ualified specialis tworks hop.
All vehicles
* NO
TEDama gecaused bynumerou sor
ex tende dattem ptstos tart thee ngine Nume
rous or extende dattem ptstos tart the
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 jum plead/charging
cables wit hasufficient cross-section and
insula tedt erminal clamps.
R Non- insulated parts of thet erminal clamps
mus tnotcom eintoc ontac twitho ther me tal
parts while thej um plead/charging cable is
connected totheb attery/jump-s tart connec‐
tion point. R
The jum plead/c harging cable mus tnot
come int ocontact wi thanyp arts whic hmay
mo vewhen thee ngine is running.
R Alw aysm akes uret hat neither youn orthe
batter yiselectrost aticall ychar ged.
R Keep away from fire and naked flames.
R Do no tlean overthe batter y.
R When charging: only use batter ychargers
te sted and appr ovedbyM ercedes-Benz, and
please read theb atter ychar ger's operating
instructions befor echarging theb 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 eof
12 V.
R The vehicles mus tnottouch.
R Petrol engine: only acceptstartin gassis‐
ta nce if thee ngine and exhaus tsystema re
cold. #
Secur ethe vehicle byapplying thee lectric
parking brake. Breakdown assis
tance 385
Page 389 of 533

#
Automatic transmission: shiftthet ransmis‐
sion toposition B. #
Mak esuret hat thei gnition and all electrical
consumer sareswitched off. #
Open thee ngine bonn et.
% Right-hand-driv evehicles: thej ump-s tart‐
ing connection point smaybe on theo ppo‐
sit es ide. #
Vehicles with ear th point co ver:turn
sc rews 2 from ear thpoint co ver1anti-
clockwise and remo veear thpoint co ver1. #
Slide co ver3of positiv eclamp 4onthe
jump-s tarting connection point in thed irec‐
tion of thea rrow. #
Connect positiv eclamp 4onyour vehicle to
positiv epole of thed onor batter yusing the
jum plead/ charging cable .Alway sb egin with
positiv eclamp 4onyour ow nv ehicle firs t. #
During thes tarting assistance proce‐
du re: star tt he engine of thed onor vehicle
and runati dles peed. #
Connect then egativ epole of thed onor bat‐
te ry and ear thpoint 5ofyour ow nv ehicle
by usin gthe jum plead/charging cable. Begin
wit hthe donor batter yfirst. #
During starting assi stance: star tt he
engine of your ow nv ehicle. #
During thec hargin gproce ss: star tt he
ch argin gprocess. #
During starting assi stance: lett he engines
ru nf or se veralm inutes. #
During starting assi stance: beforediscon‐
necting thej um plead, switc honanelectrical
consumer in your ow nv ehicle, e.g. ther ear
windo wheater or lighting.
When thes tartin ga ssis tance/charging process
is compl ete: #
First,r emo vethej um plead/charging cable
from ear thpoint 5and negativ epole of the
donor batter y,then from positiv eclamp 4
and positiv epole of thed onor batter y.Begin 386
Breakdown assis tance
Page 390 of 533
eac
htime wit hthe contacts on your own
ve hicle firs t. #
Afterr emoving thej um plead/charging
cable, close co ver3of positiv eclamp 4. #
Vehicles with ear th point co ver:replace
ear thpoint co ver1and tur nscrews 2
clockwise. Yo
uc an obtain fur ther information on starting
assis tance at an yqualified specialis tworks hop. To
w- starting or towing away Pe
rm itted towing me thods Mercedes-Ben
zrecommends transportin gyour
ve hicle in thec ase of abreakdown, rath er than
to wing it away. *
NO
TEDama getothev ehicle due to tow‐
ing away incor rectly #
Obser vethei nstruction sand no teson
to wing away. Pe
rm itted towing me thods Ve
hicl eequipment/ towing
me thod Bo
th axle sont heground Fr
ont axle raised Re
ar axle raised
Ve hicles wit hautomatic transmis‐
sion Ye
s, maximum 50 km at 50 km/h No Yes, if thes teering wheel is fixe din
th ec ent reposition wit hasteering
wheel loc k.
4MATIC vehicles Yes, maximum 50 km at 50 km/h No No Breakdown assis
tance 387
Page 391 of 533

To
wing wit haraisedaxle: towing should be
per form ed byatow ing compan y. To
wing thev ehicle wit hbotha xlesont he
gr ound #
Obser vethen otes on thep ermitted towing
me thods (→ page387)(→ pag e388). #
Mak esuret hat theb atter yisc onnected and
ch arge d.
When theb atter yisd ischar ged:
R thee ngine cann otbe star ted.
R thee lectric parking brak ecann otbe released
or applied.
R vehicles with automatic transmission: the
automatic transmission canno tbeshiftedto
position iorj.
% vehicles with automatic transmission: if
th ea utomatic transmission cann otbe shif‐
te dtop osition i,ort he multifunction dis‐
pla yint he instrument clus terd oes no tshow
anything, ha vethev ehicle transpor ted
aw ay( →pag e391).At ow ing vehicle wit hlift‐ ing equipment is
requiredforv ehicle trans‐
por tation.
* NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances. #
Atow ing speed of 50 km/h mus tnot
be exc eeded. #
Atow ing dis tance of 50 km mu stnotbe
exc eeded. &
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, thef ollowing situations can occur:
R thet ow ing eyem aybecome de tach ed.
R thec ar/t railer combination ma yswe rve
or eve 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 mus tbetow-sta rted or towe da way,
its weight mus tnotexc eed thep ermissible gross
mass of thet ow ing vehicle. #
Information on thep ermissible gross weight
of thev ehicle can be found on thev ehicle
identification plat e. #
Vehicles with automatic transmission: do
no to pen thed rive r's door or front passenger
door ,otherwise thea utomatic transmission
automaticall yshifts toposition j. #
Fitthet ow ing eye( →pag e393). #
Attach thet ow bar.
* NO
TEDama gedue toincor rect connec‐
tion #
Onlyconnect thet ow ro pe or towb arto
th et ow ing eyes. 388
Breakdown assis tance
Page 392 of 533

#
Deactivat ethe automatic locking mechanism
(→ pag e70). #
Do no tactivat ethe HOLD function. #
Deactivat ethe tow- aw ay protection
(→ pag e86). #
Deactivat eActiv eBrake Assi st (→pag e180). #
Vehicles with automatic transmission:
shif tthe automatic transmission toposition
i. #
Release thee lectric parking 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 supply or theo n-boar delectri‐
cal sy stem is malfunctioning. When
your vehicle is then towe da way,signif‐
icantly mor eeffor tm aybe requ ired tosteer
and brak ethan is normall yrequired. #
Use atow bar. #
Mak esuret hat thes teering wheel can
mo vefreely ,befor etow ing thev ehicle
aw ay. *
NO
TEDama gedue toexcessiv etracti ve
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. Loading the
vehicl efor transport #
Obser vethen otes on towing away
( → pag e388). #
Connec tthe towb arto thet ow ing eyeto
load thev ehicle. #
Shif tthe automatic transmission toposition
i.
% The automatic transmission ma ybelocked
in position jinthee vent of dama getothe
electrics. Toshif tto i,provide theo n-
boar delectrical sy stem wit hpower
( → pag e384). #
Load thev ehicle ont othe transpor ter. #
Shif tthe automatic transmission toposition
j. #
Onlysecur ethe vehicle bythew heels.
Ve hicles with ADSP LUS(Ad aptiv eDamping
Sy stem PLUS) &
WARNING Risk of an accident when
transporting vehicles wit hAdaptive
Damping Sy stem PLUS
The reduced damping forc es on thev ehicle
being transpor tedc an cause thev ehicle/
trailer combinatio ntostart to swing.
As aresult, when transporting vehicles with
th eA daptiv eDampin gSystemP LUS,the Breakdown assis
tance 389