
R
System react ionsin spec ialdrivin gsit uatio ns
(e. g.airbag deployment,int erve ntio nof sta‐
bilit ycon trol systems)
R Ambien tcon ditions (e.g.temp eratur e,rain
sen sor)
In addition toprov iding theactual control unit
func tion,th is dat aassis tsthemanuf acturerin
de tecting andrectify ingmal functi onsand opti‐
mizi ngvehicle functions. Themajority ofthis
dat ais temp orar yand isonl ypr ocessed inthe
ve hicle itself. Onlya small portion ofthedat ais
st or ed intheeve ntor fault mem ory.
When your vehicle isser viced, tech nica lda ta
fr om theve hicle canberead out byser vice net‐
wo rkem ployees (e.g. workshops, manufactur‐
er s) or third par ties (e.g. breakdo wnservice s).
Ser vice sinc lude repair services, maintenanc e
pr ocesses ,wa rrant yclaim sand qualit yassur ‐
anc emeas ures, forex am ple. Theread out isper‐
fo rm ed via theleg ally prescr ibed portfo rth e
diagnos ticsconnection intheve hicle. The
re spectiv eser vice networklocations orthird
par ties collec t,pr oces sand usethedat a.The y
documen tte ch nica lst atus esoftheve hicle, assis
tin findi ng ma lfunctio nsand improv ing
qu alit yand aretrans mittedto themanuf acturer,
if neces sary.Fu rther mor e,themanuf actureris
subject toproduct liability .Fo rth is, themanu‐
fa ctur errequ ires tech nica lda ta from vehicles.
Fa ult mem ories intheve hicle canberese tby a
ser vice outle tas par tof repair ormaint enanc e
wo rk.
Dep endingontheselect edequipment, youcan
im por tdat aint ove hicle convenie nce and info‐
ta inm ent func tionsyo urself .
This includes, forex am ple:
R Mult imed iadat asuc has music ,fi lms orpho‐
to sfo rpla yba ckinan integr ated multim edia
sy stem
R Address book datafo ruse inconnection with
an integr ated hands-fr eesystem oran inte‐
gr ated navig ation system
R Entere dna vig ation destinations
R Dat aabout theuse ofInt erne tser vices
This datacan besave dlocall yin theve hicle orit
is locat edon ade vice whichyo uha ve connect ed
to theve hicle (e.g.asmar tphone, USBflash dr
ive or MP3 player). Ifth is dat ais stor ed inthe
ve hicle, youcan deleteitat anytim e.This data
is sen tto third par ties onlyat your requ est,par‐
ticular lywhen youuse onlineser vices inacc ord‐
anc ewit hth ese ttings that youha ve select ed.
Yo ucan stor eor chang econ venie nce setting s/
ind ividu aliza tionin theve hicle atanytime.
Depending ontheeq uipment, this inc ludes, for
ex am ple:
R Setting sfo rth eseat andsteer ing wheel posi‐
tion s
R Suspension andclimat econ trol settings
R Cus tomizations suchas interior ligh ting
If yo ur vehicle isaccor dinglyeq uipped ,yo ucan
co nn ect your smar tphon eor ano ther mobile end
de vice totheve hicle. Youcan contro lth is by
means ofthecon trol element sint egr ated inthe
ve hicle. Imagesand audiofrom thesmar tphon e
can beoutput viathemultimedia system. Cer‐
ta in inf ormatio nis simult aneousl ytransf erredto
yo ur smar tphon e. Gen
eral no tes 31

R
The seat belttongu eis eng aged inthe
seat beltbuckleofthefront passeng er
seat andthefront passeng erseat is
unocc upied. #
Stow object sin asuit able place. #
Onlyone person should useeachseat
belt atanyone time. Depending
onthede tected acci dent situation,
th ewindo wcur tain airbag onthefront
passeng erside maydeplo y.The airbag is
deplo yedre ga rdless ofwhe ther thefront
passeng erseat isoccupied.
Inf ormat iononthecush ionbag inthere clin‐
ing rear seat
The cushi onbag offers addit ionalocc upant pro‐
te ction intheeve ntoffront alimpacts. When
acti vated, thecushionbag deploysund erthe
seat cushion. Thishelps preve nttheve hicle
occupant from slipping offth eseat cushion.
If yo uins talla ch ild restra int system onthe
re cli ning rear seat ,alw aysobser vetheadditional
no tes(/ page52). Pr
otection bytheair bags Dep
endingontheacciden tsituation ,an airbag
ma ysupplement thepr otect ion offere dby acor ‐
re ctly fastened seatbelt. &
WARNIN GRisk ofinju ryor deat hdue to
inc orrect sea tpos ition
If yo ude viat efrom thecor rect sea tpos ition,
th eairbag cannotper form itsintended pro‐
te ctiv efuncti onand deployme ntma yev en
cause further injur ies.
In order toavo idrisk s, eac hve hicle occupant
mus talw aysmak esur eof thefo llo wing:
R Fasten seat belts correctly .Pr egna nt
wo men mustta ke par ticular careto
ensur eth at thelap belt neverlie sacr oss
th eabdomen.
R Adoptth ecor rect sea tpos ition and keep
as faraw ay as poss iblefrom theairbags.
R Obser vethefo llo wing informatio n. #
Alw aysmak esur eth at ther ear eno
objec tsbetween theairbag andvehicle
occupant. To
avo idtherisk sre sulting from thedeplo yment
of an airbag, eachve hicle occupant must
obser vethefo llo wing informatio nin par ticular :
R Beforest ar tin gyo ur jour ne y,adjus tyo ur seat
co rrect ly;th edr iver's seat andfront
passeng erseat should bemo vedas farbac k
as possi ble.
When doingso,alwaysobser vetheinf orma‐
tion onthecor rect driver's seatpos ition
(/ page 101).
R Onlyhold thesteer ing wheel bythesteer ing
wheel rim. This allow sth eairbag tobe fully
deplo yed.
R Alw ayslean agains tth eseat backres twhen
th eve hicle isin mo tion. Donotlean forw ards
or agains tth edoor orside windo w.Youma y
ot her wise beinthedeplo yment area ofthe
airbag s.
R Alw ayske ep your feet on thefloor .Do not
put your feet on thecoc kpit, forex am ple. Oc
cupan tsaf ety 43

Pr
oblems withKEYLESS-GO Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Yo ucan nolongerloc kor unloc kth e
ve hicle using KEYLES S-GO. Po
ssible causes:
R The Smar tKey functions have been deactiv ated (/ page70).
R The Smar tKey batt eryis we ak ordisc harged.
R Ther eis int erfere nce from apo we rful radio signal source.
R The Smar tKey isfaulty . #
Activateth eSmar tKey functions (/page70). #
Che ckthebatt eryusing theindicat orlam pand replace ifnec essar y(/ page71 ). #
Use theemer gency keyto unlo ckorloc kth eve hicle (/page71 ). #
Have theve hicle andSmar tKey checkedat aqu alif ied spec ialistwo rkshop. Ac
tiv atin g/deac tivatin gthe automati clo ck ‐
ing featur e The
vehicle isloc kedaut omatic allywhen the
ignit ionisswitc hedonand thewheels aretur n‐
ing faster than walkin gpace. 76
Opening andclosing

No
teson thecor rect driver' sseat position &
WARNIN GRisk ofinju rythro ugh adjust‐
ing vehicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the
st eer ing wheel orthemir rorand fasten
yo ur seat belt. En
sur eth efo llo wing when youar eadj ustin g
st eer ing wheel 1,seat belt2and driver's seat
3:
R Youar esit tin gas faraw ay from thedr iver's
airbag aspossible, taking thefo llo wing
point sint ocon sidera tion.
R Youar esit tin gin an upr ight position
R Your thighs areslight lysuppor tedby theseat
cushion R
Your legs areno tfull yex tende dand youcan
depr essthepedals proper ly
R The backof your head issuppo rted ateye
le ve lby thecent erofthehead restra int
R Youcan hold thesteer ing wheel withyo ur
ar ms sligh tly ben t
R Youcan moveyour legs freel y
R Youcan seeallthedispla yson theins tru‐
ment clusterclea rly
R Youha ve agood overvie wof thetra ffic con ‐
dition s
R Your seat beltsitssn ug lyag ains tyo ur body
and pass esacr oss thecent erofyour sho ul‐
der and across your hips inthepelvic area Seats
Ad
jus tingthe fron tse at &
WARNIN GRisk ofbeco ming trap ped if
th eseats areadjus tedby childr en
Childr encould becom etrapped ifth ey adjus t
th eseats, particular lywhen unattende d. Sea
tsand stow ing 10
1

#
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. The
seats canbeadjus tedwhen theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofinju rythro ugh adjust‐
ing vehicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the
st eer ing wheel orthemir rorand fasten
yo ur seat belt. &
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Childr
eninpar ticular couldacciden tally
pr ess theelectr icalseat adjus tmentbutt ons
and become trapped. #
While moving theseats, makesur eth at
han dsorother body partsdo notget
und ertheleve rasse mbly oftheseat
adjus tmentsy stem. &
WARNIN GRisk ofinju rydue tohead
re stra int swhic har eno tins talled orare
adjus tedincor rectl y
If hea dre stra int sar eno tins talled orare
adjus tedincor rectly ,th ehead restra int scan ‐
no tpr ov ide protect ion asintended.
Ther eis an incr eased risk ofinjur yin the
head andneckar ea, e.g. intheeve ntofan
acci dent or wh en braki ng. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. 10
2
Sea tsand stow ing

#
Pull one ofrelease loops 1. #
Foldthere ar seat backres tfo rw ards. #
Beforest ar tin gth ejour ney,mak esur eth at
th ere ar seat backres tand there ar ben ch
seat areeng aged. Head
restra ints Ad
jus tingthe fron tse at head restra ints
mec hanica lly &
WARNIN GRisk ofinju rythro ugh adjust‐
ing vehicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the st
eer ing wheel orthemir rorand fasten
yo ur seat belt. &
WARNIN GRisk ofinju rydue tohead
re stra int swhic har eno tins talled orare
adjus tedincor rectl y
If hea dre stra int sar eno tins talled orare
adjus tedincor rectly ,th ehead restra int scan ‐
no tpr ov ide protect ion asintended.
Ther eis an incr eased risk ofinjur yin the
head andneckar ea, e.g. intheeve ntofan
acci dent or wh en braki ng. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y. Ad
jus tth ehead restra int fore -and -aftpo sitio nso
th at itis as clo seasposs ibletothebac kof your
head. #
Toraise: pullthehead restra int up. #
Tolowe r:press release knob 1 inthedir ec‐
tion ofthear row and push thehead restra int
do wn. Seat
sand stow ing 111

re
stra int and push press studs 2intoth e
cou nter pieces . #
Toremo vethead dit ional cushion:release
pr ess studs 2and remo veaddit ionalcus h‐
ion 1. Conf
iguringtheseat settings Multi
media system:
4 © 5
Comfort 5
Seat Comfort
Ad jus tingthe backres tco ntou rin the lumb ar
re gion oftheseat backres t(lum bar) #
Sele ctLumbar . #
Sele ctthese ttings Z forth edesir edseat. #
Adjus tth eair cushions .
Ad jus tingthe backres tsi de bolste rs #
Select SideBol sters . #
Adjus tth eair cushion forth edesir edseat.
Se tting theseat heatingbala nce #
Sele ctSeat HeatingBalan ce. #
Adjus tth eheat distribution forth edesir ed
seat. Se
tting automat icseat adjustm ent &
WARNIN GRisk ofbeco ming trap ped
du ring adjus tment ofthedr iver's seat
af te rcall ing upadr iver profile
Selecting apr ofile ma ytrigg eran adju stment
of thedr iver's seat totheposition save d
und erthepr ofile. Youor other vehicle occu‐
pants couldbeinjur edinthepr ocess. #
Mak esur eth at when theposition of
dr iver's seat isbeing adjustedusing the
multime diasystem, nopeople orbody
par tsarein theseat's rang eof mo ve‐
ment.
If th er eis arisk ofsomeone becoming trap‐
ped, stop theadjus tmentpr ocess immedi‐
at ely: #
a)Tapth ewa rning mess ageon the
media display. or
#
b)Press amemor yposition buttonora
seat adjus tmentswitc hon thedr iver's
door .
The adjus tmentpr ocess isstopped. Re
quirement s
R Adaptin gth edr iver's seat andsteer ing wheel
position tothebody size:automatic seat
adjus tmenthas been switchedon.
Multimedia system:
4 © 5
Set ting s5
Vehicle
5 Auto. SeatAdjustmen t
Switc hingautomat icseat adjustm ent on/of f
When theactiv euser profile isch ang edwhile
th eve hicle isstatio nary,thedr iver's seat, steer‐
ing wheel, outside mirrors and seat contour are
aut omat icallyadap tedto thedr iver . #
Select OnorOff. Seats
andstow ing 11
5

%
This setting isavailable onlyforindivi dual
user profile s. Fo rth egues tpr ofile, auto‐
matic seatadjus tmentcann otbe switc hed
on oroff.Fu rther information aboutuser
pr ofiles (/ page348).
Ad jus tingdr iver' sse at and steer ing wheel
posit iontobody size
The vehicle calculat esasuit able driver's seat
and steer ing wheel position onthebasis ofthe
dr iver's body sizeandsets this dir ect ly. #
Tosetth eunit ofmea surement :selec tcm
or ft/in. #
Setth esize using thescale. #
Select Start Position ing.
The driver's seat andsteer ing wheel position
is adjus tedto thebody sizethat has been
se t.
% Ifth edr iver's seat andsteer ing wheel posi‐
tion calculat edbytheve hicle isno tpr actical
or comf ortable, itcan bemanuall ych ang ed
at anytim evia thecon trol butt ons.
The outside mirrors areno tse tvia this func ‐
tion .Ins tead, they have tobe setmanually
via theswitc hes. %
Youcan also maketh ese settings viathe
Mer cedes meportalfo ryo ur user profile. By
syn chronizi ngthepr ofiles intheve hicle and
th eMer cedes meconnect profiles, youcan
car ryove rth ese settings foryo ur vehicle.
Fu rther information aboutsynchronizing user
pr ofiles (/ page35 1).
Se tting theeasy entryand exitfeatur e #
Select Steering Wheel& Seat ,Steering
Whee lOnly orOff.
% Ifyo uuse anind ivid ual user profile and have
se tyo ur body size,this inf ormatio nis car ried
ove rfo rth eeasy entryand exitfeatur e.This
caus esthedr iver's seat andsteer ing wheel
to aut omat icallymo veintoth ecor rect pos i‐
tion (/page 350). Sel
ecting thema ssag epr og ram forthe fron t
se ats Mu
ltimed iasystem:
4 © 5
Comfort 5
Massage #
Select amassag epr ogr am . #
Startth epr ogr am forth edesir edseat 0065. #
Tosetth ema ssag eint ensit y:switc hHigh
Inten sityonoroff.
% Forth ere ar seat s,themassag epr og ram can
be sele cted on thefo llo wing device s(if avail‐
able):
R Onthere ar displa ys
The selection canbemade forth ere ar
seat son thesecon dand third row sof
seats.
R OntheMBUX rear table t
The select ionismade inthesame wayas
on there ar displa ysforth ere ar seat son
th esecon dro w of seat s. Re
setting seat settings Multimedia
system:
4 © 5
Comfort 5
Seat Comfort #
Select Reset. #
Select 00D1forth edesir edseat.
The settings forth eselect edseat arere se t. 11
6
Sea tsand stow ing