
&
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 Connec tthe batter ytoachargerrecommen‐
ded forM ercedes-Benz.
R Consult aqualified specialis tworks hop todis‐
connect theb attery St
arting assistanc eand chargin gthe star ter
battery #
Alwaysu sethej ump-s tart connection in the
engine compartmen tfor startin gassis tance
and when chargin gthe batter y.
* 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 231

&
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 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 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 The service lif eofabatterythat has been
th awe dmaybe reduced drastically
R The start-up behavior 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. When jump-s
tarting and chargin gthe batteries,
obser vethef ollowing points:
R Onlyuse undamaged jumper cables/ charging
cable swithas ufficient 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 The jumper cables/chargin gcable smustn ot
com eintoc ontact wi thanyp arts whic hmay
mo vewhen thee ngine is running
R Alwaysm akes uret 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: only use abatter ychar ger
th at has been tested and appr ovedby
Mercedes-Benza ndread theo perating
instruction sfor your charge rb efor echarging
th eb atteries 232
Breakdown assis tance

Obser
vethea dditional following point sduring
st artin gassistance:
R Startin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof12V
R The vehicles mus tnot to uche acho ther
R Vehicles with agasoline engine: only per‐
fo rm startin gassis tance when thee ngine and
ex haus tsyst em ar ecold #
Vehicles with abatter ymain switch: check
whe ther theb atter ymain switc hisinserted
( / pag e120) #
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 (/ page214). Example
:jump-s tart connection
% Right-hand driv
evehicle: thej ump-s tart
connection ma ybeonthe opposit eside. #
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/charging cable ,slide ther ed
pr otectiv ecap on jump-s tarting connection
1 bac kwithac lockwise turn. #
Connect theo ther positiv eterminal clam pto
th ep ositiv eterminal of jump-s tart connection
1. #
During starting assistance: star tt he engine
of thed onor vehicle and le titrun at idle
speed. #
Firs t, connect then egativ eterminal clam pof
th ej umper cable/charging cable tothen ega‐
tiv ep ole of thed onor batter y. #
Connec tthe other negativ eterminal clam pof
th ej umper cable/charging cable toag round
po int on your ow nv ehicle (a bar emetal part
in thee ngine compartment). #
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: #
Remo vethej umper cables/charging cables
in reve rseo rder:first then egativ eclam pfrom
th eg round point in thee ngine compartment,
th en then egativ eclam pfromt he donor bat‐
te ry.T he nt he positiv eclam pfromt he posi‐
tiv et erminal of jump-s tart connection 1,
th en thep ositiv eclam poft he donor batter y.
The redp rotectiv ecap springs bac ktoits ini‐
tial position when positiv eterminal clamp 2
is disconnected from jump-s tarting connec‐
tion 1.
Yo uc an obtain fur ther information 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. Breakdown assis
tance 233

Overvie
w.......................................... 19 9
Sound settings ................................. 201
Tr ans ferred vehicle dat a...................2 01
Animals Pets in thev ehicle .............................. 45
Anti-loc kbraking sy stem
see AB S(Anti-loc kBrakin gS ystem)
Anti-skid chains
see Sno wchains
Anti-thef tAlarms ystem
see ATA( Anti -Thef tAlarms ystem)
Anti-thef tprotection
Immobilizer ........................................ .61
Anti-thef tprotection
see ATA( Anti -Thef tAlarms ystem)
Apple CarPlay ®
.....................................1 98
Connecting an iPhone ®
............ 198, 19 9
Ending .............................................. 19 9
No tes. ............................................... 19 8
Overvie w.......................................... 19 8
Sound settings ................................. 19 9
Tr ans ferred vehicle dat a...................2 01
Asht rays
In thew indshield stowagec om‐
partment ............................................ 79
ASR (acceleration skid cont rol) .......... .147
Assistance graphic (on-boar dcom‐
puter) ..................................................... 178
ASS YSTP LUS ........................................ 214
Batter ydisconnection period s.......... 214
Displ aying thes ervice due dat e........ 214
Fu nction/no tes. ................................ 214
Re gular maintenance work ............... 214
Special service requirements ............ 214
ATA (Anti-Thef tAlarms ystem) .............. .61
Ac tivating/deactivating thei nterior
motion sensor .................................... 63
Fu nctio n.............................................. 61
Interior motion sensor function .......... 63
St opping thea larm. ............................ 62
Switching thet ow -awa ya larm
on/of f............................................... .62
To w- aw ay alar mfunction .................... 62
At tachments .......................................... .21
AT TENTION ASSI ST....................... 162, 16 3
Fu nctio n........................................... 16 2
Setting .............................................. 16 3
Sy stem limitations ............................1 62
Au thorized workshop
see Qualified specialis tworks hop Au
tomatic distanc econtrol
se eA ctiv eDista nce Assi stDISTRONIC
Au tomatic drivin glights ....................... .84
Au tomatic transmission
DIRECT SELEC Tleve r........................ 12 2
Engaging driv eposit ion. ................... 12 3
Engaging neutral ............................... 12 2
Engaging reve rseg ear ...................... 12 2
Kickdown .......................................... 124
Re stricting thes hiftrang e................ 124
Selecting pa rkposition .....................1 23
Tr ansmission position displa y........... 12 2
Tr ansmission position s..................... 12 2
Au xiliar yheating ..................................1 05
Fu nctio n........................................... 105
Axle load ................................................ 274 B
Bac ksuppo rt
see Lumbar suppor t(4-w ay)
BA S(Brak eAssis tSystem) .................. 14 6
Battery Charging ........................................... 231
Charging avehicle batter y................2 31
Disconnecting thea uxiliar ybattery
in thee ngine compartmen t.............. 236
Disconnecting thes tarter batter y.... 234
Jump -sta rting (vehicle )..................... .231
Ke y. .................................................... 47
No tes( vehicle) ................................. 230
Re moving or ins talling thes tarter
batter y............................................. 235
St arterb atter y................................. 233
Batter ymain switch
No tes. ............................................... 12 0
Switching po wersupp lyon/of f......... 121
Belt see Sea tbelt
Bel twarning
see Sea tbelt
Blind Spo tAssist .................................. 16 3
Ac tivating/deactivating .................... 16 4
Fu nctio n........................................... 16 3
Re ar Cross Traf ficA lert. ................... 16 5
Sy stem limitations ............................1 63
Blue tooth ®
............................................ 19 2
Ac tivating/deactivating .................... 19 2
Information .......................................1 92
Bottle holder .......................................... .78 Index
323

Wi
ndo ws(care) .................................... .224
Wi ndshield ..............................................95
Re placing thew iper blades ................95
Re placing thew iper blades (WET
WIPER SYSTEM) .................................. 96
Wi ndshield
see Windshield
Wi ndshield washer fluid
Information ...................................... 284
Wi ndshield washer fluid (no tes) ......... 283
Wi ndshield wipers
Re placing thew iper blades ................95
Re placing thew iper blades (WET
WIPER SYSTEM) .................................. 96
Switching on/o ff................................ 95
Wi nter driving (sno wchains) .............. 24 5
Wi nter tires ...........................................2 45
Wi per blades
Ca re ................................................. 224
Re placing (rear window) .....................97
Re placing (WET WIPER SYSTEM) ........ 96
Re placing (windshield) ........................ 95
Wire less central locking ........................24
Wire lesscharging
Fu nction/no tes. .................................82
Mobile phone .....................................82
Wo rkshop
see Qualified specialis tworks hop Index
343