&
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
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
Android
Auto ......................................... 24 0
Connecting amobile phon e............. .240
Ending ............................................... 241
No te ................................................. 24 0
Overvie w.......................................... 24 0
Sound settings .................................. 241
Tr ans ferred vehicle dat a.................... 241
Android Auto™
Control usin gthe applicationb ut‐
to ns .................................................. 241
Animals Pets in thev ehicle ...............................41
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 ........................................ 56
Anti- theftp rotection
see ATA( Anti -Thef tAlarms ystem)
Apple CarPlay™ .................................... 239
Connecting an iPhone ®
.................... 239
Control using thea pplication but‐
to ns .................................................. 24 0
Ending .............................................. 24 0
No tes. .............................................. 239
Overvie w.......................................... 239
Sound settings ................................. 239
Tr ans ferred vehicle dat a.................... 241
Asht rays
In thew indshield stowagec om‐
partment ............................................ 75
ASR (accele ratio ns kidc ontrol) .......... 13 8
Assistance graphic (on-boar dcom‐
puter) ..................................................... 16 9
ASS YSTP LUS ........................................ 264
Batter ydisconnectio nperiods .. ....... 264
Displaying thes ervice due dat e.......2 64
Fu nction/no tes. ............................... 264
Re gular maintenance work ............... 264
Specia lservice requirements .......... .264
ATA (Anti-Thef tAlarms ystem) .............. 57
Ac tivating/deactivating thei nterior
motion sensor .................................... 58
Fu nctio n............................................. 57
Interior motion sensor function .......... 58
St opping thea larm. ............................ 57
Switching thet ow -awa ya larm
on/of f............................................... .58To
w- aw ay alar mfunction .................... 57
At tachments .......................................... .20
AT TENTION ASSI ST....................... 152, 15 3
Fu nctio n........................................... 15 2
Setting .............................................. 15 3
Sy stem limitations ............................1 52
Au thorized workshop
see Qualified specialis tworks hop
Au tomatic distanc econtrol
se eA ctiv eDista nce Assi stDISTRONIC
Au tomatic drivin glights ....................... .80
Au tomatic transmission
DIRECT SELEC Tleve r........................ 11 6
Engaging driv eposit ion. .................... 11 8
Engaging neutral ............................... 11 7
Engaging reve rseg ear ....................... 11 7
Kickdown .......................................... 11 9
Re stricting thes hiftrang e................. 11 8
Selecting pa rkposition .....................1 17
Tr ansmission position displa y........... 11 6
Tr ansmission position s..................... .116
Au xiliar yheating ..................................1 00
Fu nctio n........................................... 100
Axle load .............................................. .323 B
Bac ksupport
see Lumbar suppor t(4-w ay)
BA S(Brak eAssis tSystem) .................. 13 8
Battery Charging ........................................... 281
Charging avehicle batter y................2 81
Disconnecting thea uxiliar ybattery
in thee ngine compartmen t.............. 286
Disconnecting thes tarter batter y.... 284
Jump -sta rting (vehicle )..................... .281
Ke y. .................................................... 43
No tes( vehicle) ................................. 280
Re moving or ins talling thes tarter
batter y............................................. 285
St arterb atter y................................. 283
Batter ymain switch
No tes. ............................................... 11 5
Switching thep owe rsupp lyon/of f... 11 5
Belt see Sea tbelt
Blind Spo tAssist .................................. 15 5
Ac tivating/deactivating .................... 15 6
Fu nctio n........................................... 15 5
Re ar Cross Traf ficA lert. ................... 15 6
Sy stem limitations ............................1 5537 0
Index
Ti
re and Loading In form atio nplac‐
ar d. .................................................. .302
Ti re pressur e(notes) ........................ 296
Ti re pressur emonitoring sy stem
(function) .......................................... 300
Ti re pressur etable .......................... .297
Ti re qu alitygrades ............................ 305
Tr action grade .................................. 305
Tr ead wear grade .............................. 305
Un usual drivin gcharacteristics ........ 294
Wi -Fi ...................................................... 200
Ad justing .......................................... 200
Overvie w.......................................... 200
Setting up ahotsp ot ......................... 201
Setting up an Interne tconnection .... 24 2
Wi ndo wcurtain airbag .......................... 33
Wi ndo ws
see Side window
Wi ndo ws(care) .................................... .274
Wi ndshield ..............................................90
Re placing thew iper blades ................90
Re placing thew iper blades (WET
WIPER SYSTEM) .................................. 90
Wi ndshield
see Windshield
Wi ndshield washer fluid
Information ...................................... 333
Wi ndshield washer fluid (no tes) ......... 332
Wi ndshield wipers
Re placing thew iper blades ................90
Re placing thew iper blades (WET
WIPER SYSTEM) .................................. 90
Switching on/o ff................................ 89
Wi nter driving (sno wchains) .............. 295
Wi nter tires ...........................................2 95
Wi per blades
Ca re .................................................. 274
Re placing (rear window) .....................91
Re placing (WET WIPER SYSTEM) ........ 90
Re placing (windshield) ........................ 90
Wire lesscharging
Fu nction/no tes. .................................78
Mobile phone .....................................79
Wo rkshop
see Qualified specialis tworks hop Index
393