Problem
Possible
causes/co nsequences and0050 0050
Solutions The
PASS ENGER AIR
BAG OFFindicator lamp
lights upand remains lit,
even though thefront -
passenger seatisoccu-
pied byan adult oraper-
son ofastature corre-
sponding tothat ofan
adult. The
classification ofthe person onthe front -passenger seatisincor-
rect.
X Make surethecondition sfor acorrect classification ofthe person
on the front -passenger seataremet (Ypage 48).
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains lit,the front -
passenger seatmaynotbeused.
X Have OCScheck edassoon aspossible atan authorized Mercedes-
Benz Center. The
PASS ENGER AIR
BAG OFFindicator lamp
does notlight upand/or
does notstay on.
The front -passenger seat
is:
R unoccupied
R occupied bythe
weight ofachild upto
twelve monthsold ina
child restraint system OCS
ismalfunctionin g.
X Make surethere isnothin gbetween theseat cushion andthechild
seat.
X Make surethattheentire baseofthe child restraint systemrestson
the seat cushion ofthe front -passenger seat.Thebackrest ofthe
forward-facing childrestraint systemmustlieasflat aspossible
against thebackrest ofthe front -passenger seat.Ifnecessary,
adjust theposition ofthe front -passenger seat.
X Make surethattheseat cushion lengthisfully retract ed.
X When installing thechild restraint system,makesurethattheseat
belt istight. Donot pull theseat belttight using thefront -passenger
seat adjustment .This could result inthe seat beltandthechild
restraint systembeingpulled tootightly.
X Check forcorrect installation ofthe child restraint system.
Make surethatthehead restraint doesnotapply aload tothe child
restraint system.Ifnecessary, adjustthehead restraint accord-
ingly.
X Make surethatnoobject sare apply ingadditional weightontothe
seat.
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains offand/or
the PASS ENGER AIRBAG ONindicator lamplights up,donot install
a child restraint systemonthe front -passenger seat.Itis recom-
mended thatyouinstall thechild restraint systemonasuitable rear
seat.
X Have OCScheck edassoon aspossible atan authorized Mercedes-
Benz Center. Deployment
ofEmergency Tensioning
Devic esand airbags
Import antsafety notes G
WARNING
The airbag parts arehot after anair bag has
been deploye d.There isarisk ofinjury.
Do not touch theairbag parts. Havea
deploye dair bag replaced ataquali fiedspe-
cialist workshop assoon aspossible. G
WARNING
A deploye dair bag nolonger offersanypro-
tect ionand cannot provide theinten dedpro-
tect ioninan accident. Thereisan increased
risk ofinjury.
Have thevehicle towedtoaquali fiedspecial-
ist workshop inorder tohave adeploye dair
bag replaced.
It is important foryour safety andthat ofyour
passenger tohave deploye dair bags replaced 52
Occ
upantsafetySafety
sive
roleinthe deploy mentofan air bag. Nordo
they provide anindication ofair bag deploy -
ment.
The vehicle canbedeformed considerably, with-
out anair bag being deploy ed.This isthe case if
only parts which arerelatively easilydeformed
are affected andtherate ofdeceleration isnot
high. Conversely, airbags maybedeploy edeven
though thevehicle suffersonlyminor deforma-
tion. Thisisthe case if,for example, veryrigid
vehicle partssuchaslongitudinal bodymem-
bers arehit,and sufficient deceleration occurs
as aresult.
If the restraint systemcontrolunit detects aside
impact orifthe vehicle rollsover, theappli cable
component sof the restraint systemare
deploy edindependently ofeach other depend-
ing onthe appa renttype ofaccident.
R Side impact airbags onthe side where the
impact takesplace, independently ofthe
Emergenc yTensioning Deviceandtheuse of
the seat beltonthe driver's seatandouter
seats inthe second row
The side impact airbag onthe front -
passenger sidedeploy sunder thefollowi ng
conditions:
- the OCS system detects thatthefront -
passenger seatisoccupied or
- the seat beltbuckle tongue isengaged in
the belt buckle ofthe front -passenger seat
R Window curtainairbag onthe side ofimpact,
independently ofthe use ofthe seat beltand
independently ofwhether thefront -
passenger seatisoccupied
R Emergenc yTensioning Devices,ifthe system
determines thatdeploy mentcanoffer addi-
tional protection inthis situation
R Window curtainairbags onthe driver's and
front -passenger sideincertain situations
when thevehicle rollsover, ifthe system
determines thatdeploy mentcanoffer addi-
tional protection tothat provided bythe seat
belt
i Not
allair bags aredeploy edinan accident.
The different airbag systems workindepend-
ently ofeach other. How
theairbag system worksisdetermined
by the severity ofthe accident detected,
especial lythe vehicle deceleration oraccel-
eration andtheappa renttype ofaccident:
R Head-on collision
R Side impact
R Roll over Automatic
measuresafteranacci-
dent
Immediately afteranaccident, thefollowi ng
measures areimplemented, dependingonthe
type andseverity ofthe impact:
R the hazard warning lampsareswitched on
R the emergency lightingisactivated
R the vehicle doorsareunlocked
R the front sidewindows arelowered
R the engine isswitched offand thefuel supply
is cut off
R vehicles withMercedes meconn ect:auto-
matic emergency call Children
inthe vehicl e Importa
ntsafety notes
Acc ident statistics showthatchildren secured
in the rear seats aresafer thanchildren secured
in the front -passenger seat.Forthis reason,
Mercedes-Benz stronglyadvisesthatyouinstall
a child restraint systemonarear seat. Children
are generally betterprotected there.
If achild younger thantwelve yearsoldand
under 5ft (1.50 m)inheight istraveling inthe
vehicle:
R alwa yssecure thechild inachild restraint
system suitable forMercedes-Benz vehicles.
The child restraint systemmustbeappropri-
ate tothe age, weight andsize ofthe child.
R be sure toobserve theinstruct ionsandsafety
notes inthis section inaddition tothe child
restraint systemmanufacturer's installation
instruct ions.
R alwa ysobserve theinstruct ionsandsafety
notes onthe "Occupant classification system
(OCS)". (Ypage 47) 54
Children
inthe vehicl eSafety
Child
restraint system
The useofseat beltsand child res traint systems
is requi redbylaw in:
R all 50 state s
R theU. S. territo ries
R theDis trict ofColumb ia
R all Canad ianprovinces
If you install arear ward- facing child res traint
syst emonthecen terrear seat,th erear armrest
must befold edback asfar asposs ible.
You canobtain further inform ationabout the
cor rectch ild res traint systemfrom any auth or-
ize dMer cedes-Ben zCen ter. G
WAR
NING
If th ech ild res traint systemisins tall edincor-
rec tlyon asuit able seat,it can notpro tect as
int ended. Thechild can notth en be res traine d
in theeve ntofan acc iden t,heav ybrak ingor
sudde nch ang esofdire ction .Ther eis an
inc reas edriskof injury, poss iblyevenfat al.
Mak esure that you obse rveth ech ild res traint
syst emman ufacturer'sins tall atio nins truc-
tio ns and theno teson use. Pleas een sure ,
th at thebase ofthech ild res traint systemis
always restingcom pletelyontheseat cush-
ion .Nev erplac eobj ect s,e.g .cus hion s,unde r
or behin dth ech ild res traint system. Onlyuse
ch ild res traint systems withth eorig inal cover
desig nedfor them. Onlyrepl ace damag ed
cov ers withgen uine covers. G
WAR
NING
If th ech ild res traint systemisins tall edincor-
rec tlyorisno tsec ured, itcan com eloos ein
th eeve ntofan acc iden t,heav ybrak ingora
sudde nch ang ein dire ction .The child
res traint systemcoul dbe thrown about ,st rik -
ing vehicle occupant s.Ther eis an increas ed
ris kof injury, poss iblyevenfat al.
Always install child res traint systems prop-
erly, evenif th ey are notbein gused. Make
sure that you obse rveth ech ild res traint sys-
te m man ufacturer'sins tall atio nins truct ions.
You willfindfur ther inform ationon stowin g
obj ect s,luggag eor loads under"Load ingguide-
lin es" (Ypage 239). G
WAR
NING
Child restraint systems ortheir sec urin gsys-
te ms whic hhave been damag edorsubj ected
to aload inan acc iden tcan nolon ger protect
as intended. Thechild can notth en be
res traine din theeve ntofan acc iden t,heav y
brak ingorsudde nch ang esofdire ction .Ther e
is an increas edriskof injury, poss iblyeven
fat al.
Replac ech ild res traint systems whichhave
been damag edorsubj ectedtoaload inan
acc iden tas soon asposs ible. Haveth esec ur-
ing syst ems onthech ild res traint system
ch eck edataqualif iedspec ialist workshop,
bef ore you install ach ild res traint system
again .
The securin gsyst ems ofchild res traint systems
are:
R theseat beltsystem
R theLA TCH- type (ISOF IX) sec urin grin gs
R theTop Tether anchorages
If it is absol utelyne ces sary tocar ryach ild on
th efron t-pass enger seat ,be sure toobse rveth e
inf orm ationon the"Oc cupan tClassi ficatio n
Sys tem (OCS )"(Y page 47).Ther eyou willalso
fin dinf orm ationon deac tivatin gth efron t-
pass enger fron tair bag.
All child res traint systems must meetth efol-
lowin gst and ards :
R U.S. Fed eral MotorVeh icle SafetySt and ards
21 3and 225
R Canad ianMot orVeh icle SafetySt and ards
21 3and 210.2
Con firmat ionthat thech ild res traint systemcor-
res pon dstothest and ards canbefoun don an
ins truct ion label onthech ild res traint system.
This confirmat ioncan also befoun din theins tal-
lati on instruct ionsth at are included withth e
ch ild res traint system.
Obse rveth ewarn inglabels intheveh icle inte-
rior and onthech ild res traint system. 56
Child
reninthevehi cleSafety
You
canthus avoid therisksthat could ariseas
a result of:
R an inc orre ctly cat egoriz edperson inthe fron t-
passen gerseat
R the unin tention aldeact ivationof the fron t-
passen gerfron tair bag
R the unsuit ableposit ioningof the child
rest raint syste m,e.g. tooclose tothe dash-
board
Rear ward -facing child restraint syst em If
it is absolute lynec essary toinst allarearward -
facin gchild restraint syste mon the fron t-
passen gerseat, always makesurethatthe
fron t-passen gerfron tair bag isdeact ivated.
Only ifthe PAS SENGER AIRBAGOFF indic ator
lamp isperman entlylit (Y page 41)isthe fron t-
passen gerfron tair bag deact ivated.
Always observethe child restraint syste mman-
ufact urer's installation andoperat inginst ruc-
tion s.
Forwar d-facing childrestraint syst em If
it is absolute lynec essary toinst allaforwar d-
facin gchild restraint syste mon the fron t-
passen gerseat, always movethefron t-
passen gerseat asfar back aspossible. Fully
ret ract theseat cushio nlengt h.The entirebase
of the child restraint syste mmust always reston
the seat cushio nof the fron t-passen gerseat.
The back restofthe child restraint syste mmust
lie asflat aspossible againsttheback restofthe
fron t-passen gerseat. Thechild restraint syste m
must nottouc hthe roof orbe subjec tedtoaload
by the head restraint .Adj ust the angle ofthe
seat backrestandthehead restraint position
acco rdingly. Always makesurethattheshoul-
der belt strap iscor rectlyrout edfrom thevehi-
cle belt outlet tothe shoulder beltguide onthe
child restraint syste m.The shoulder beltstrap
must berout edforwar dand down fromthevehi-
cle belt outlet .If nec essary, adjustthevehic le
belt outlet andthefron t-passen gerseat acco rd-
ingly.
Always observethe child restraint syste mman-
ufact urer's installation andoperat inginst ruc-
tion s. Child-
proof locks
Imp ortant safet ynotes G
WARN
ING
If childr enare traveling inthe vehic le,the y
could:
R open doors ,thus endan geringoth erpeople
or road users
R exit thevehic leand becaught byonc omin g
tr affic
R operat evehic leequipmen tand becom e
tr apped
There isarisk ofan accid entand injury.
Always activate thechild- proof locksand
over ridefeatureifchildr enare traveling inthe
vehic le.When leaving thevehic le,always take
the key with youand lock thevehic le.Never
leave childrenunat tended inthe vehic le.
Over ridefeature for:
R the rear doors (Ypage 60)
R the rear side windows (Ypage 60) G
WARN
ING
If you leave childrenunsuper visedinthe vehi-
cle, theycould setitin mot ionby,forexamp le:
R release thepark ingbrak e.
R shift theautomat ictransm ission outofthe
park ingposit ionP.
R star tthe engin e.
In addition ,the ymay operat evehic leequip-
men tand becom etrapped. Thereisarisk of
an accid entand injury.
When leaving thevehic le,always takethe
Smar tKey with youand lock thevehic le.Never
leave childrenunsuper visedinthe vehic le. G
WARN
ING
If person s,part icularly childrenare subjec ted
to prolon gedexpos uretoext reme heator
cold, thereisarisk ofinjury, possibly even
fatal. Never leavechildrenunat tended inthe
vehic le. Childr
eninthevehicle
59Safety Z
Corr
ectdriver 'sseat position G
WAR
NING
You coul dlose control of your vehicle ifyou do
th efoll owin gwhile driving:
R adj ust thedriv er'sseat ,head restraint ,
st eer ing wheel ormir rors
R fast entheseat belt
Ther eis aris kof an acc iden t.
Adj ust thedriv er'sseat ,head restraint ,st eer -
ing wheel andmirror and fastenyour seatbelt
bef ore start ing theen gin e. Obse
rveth efoll owin gwhen adjust ing steer ing
wheel 0043,seat belt0044and driver'sseat 0087:
R you areasfar away from thedriv er'sair bag as
poss ible
R you aresittin gin ano rm aluprig htposi tion
R your thighs aresligh tlysuppo rted bytheseat
cus hion
R your legsarenoten tirely stret ched and you
can depr essthepedals properl y
R theback ofyour head issuppo rted ateye leve l
by thecen terof thehead restraint
R you can hold thest eer ing wheel withyour
arm ssligh tlyben t
R you can mov eyour legsfreely
R you can seeallthedispl aysintheins trumen t
clus tercle arly R
you should have agood overview oftraff ic
con dition s
R theseat beltispulled snugly again stthebody
and isrout edacr oss thecen terof your shoul-
der and across your hipsinthepelv icarea
i Further relat edsubj ects:
R Ad jus tingth eseat sman ually
(Y page 93)
R Ad jus tingth eseat selec tricall y
(Y page 93)
R Ad jus tingth est eer ing wheel manually
(Y page 96)
R Fas tenin gth eseat beltcorrectly
(Y page 44)
R Ad jus tingth erear -view mirror and exterior
mir rors(Y page 97)
R Veh icles withamem oryfunct ion: saving
th eseat ,st eer ing wheel andexterior mirror
set tings usin gth emem oryfunction
(Y page 100) Seat
s Imp
ortant safety notes G
WAR
NING
Childr encoul dbec ome trapped ifth ey adj ust
th eseat s,part icular lywhen unattende d.
Ther eis aris kof injury.
When leavingtheveh icle,always taketh e
Sm artKey withyou and lockth eveh icle.This
also applies fortheDig ital Veh icle Key ifth e
"Dig italVeh icle Key" function isact ivat edvia
Mer cedesme connect.Nev erleave childre n
uns uperv isedintheveh icle.
The seat scan still be adj ust edwhen there isno
Sm artKey intheign ition lock. G
WAR
NING
When youadjust aseat ,you orother vehicle
occ upan tscoul dbec ome trapped, e.g.on the
seat guide rail.Ther eis aris kof injury.
Mak esure when adjust ing aseat that no one
has any body partsin thesweep oftheseat . Seat
s
91Seat s,steerin gwheel andmirro rs Z
Rear
seat head restraints Adjus
tingtherear seat head restrain t
hei ght X
To rais e:pullthe headres trai ntup tothe
des iredpos ition.
X To lowe r:pre ssrelease catch 0043and push
the headres trai ntdow nunti lit is in the
des iredpos ition. Adjus
tingthe4-waylumb arsuppo rt
Yo ucan adjust thecontou rof the front seat
ba ckrests individu ally to pro videopti mum sup-
por tfor your back. 0043
Raise sthe backrest contou r
0044 Softens thebackrest contou r
0087 Low ersthe backrest contou r
0085 Hard ensthebackrest contou r AMG
Performan ceSeat
Vehi cles with elec tric allyadjustab leseats:
to adjust thecontou rof the seatand for
imp rove dlatera lsu pp ort, youcan individu ally
ad just thefront seats. Adjus
tingtheside bolsters ofthe seat cus h-
io n
X To
setthe side bolsters ofthe seat cus h-
io n narro wer:pre ssbutton 0043.
X To
setthe side bolsters ofthe seat cus h-
io n wi der: pressbutton 0044.
Adjus tingtheside bolsters ofthe seat bac k-
res t
X To
setthe side bolsters ofthe seat bac k-
res tnarro wer:pre ssbutton 0087.
X To
setthe side bolsters ofthe seat bac k-
res twi der: pressbutton 0085. Sw
itchin gthe seat heati ngon/o ff
Sw itchin gon /o ff G
WARNI
NG
Re pea tedl yswi tching onthe seathea ting can
cau sethe seatcus hionand backrest pads to
bec ome veryhot.Thehealthofper sons with
li mite dtemp erature sensitivity oralimite d
ab ility torea ctto hig htemp erature smay be
aff ected orthey mayevensu ffer burn-li ke
inju ries.The reisaris kof inju ry.
The refo re,donot switch the seathea ting on
rep eatedl y.
! Whe
nthe seathea ting isswi tched on,the
sea tsu rfa ce can bedamag edasares ultof
obje ctsbeing place don the seats,for exa m-
pl e, sea tcus hions, childsea tsand protectiv e
cove rsnot appro ved byMer cedes-Be nz.
Ensur ethat there arenoobje ctsonthe seat
su rfa ce wh en the seathea ting isswi tched on. Se
ats
95Seats, steering wheeland mirrors Z
The
three redindicator lampsinthe button indi-
cate theheating levelyouhave selected.
The system automatically switchesdownfrom
level 3to level 2after approximately eight
minutes. The
system automatically switchesdownfrom
level 2to level 1after approximately ten
minutes.
The system automatically switchesoffapprox-
imately 20minutes afteritis set tolevel 1.
X Turn theSmart Keytoposition 0047or0048 inthe
ignition lock(Ypage 123).
X To switch on:press button 0043repeatedly
until thedesired heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
heating mayswitch off.
Problems withtheseat heating Problem
Possible
causes/conse quencesand0050 0050
Solutions The
seat heating has
switched offprematurely
or cann otbe switched
on. The
on-board voltageistoo low because toomany electric alconsum-
ers are switched on.
X Switch offelectric alconsumer sthat youdonot need, suchasthe
rear window defrosteror inter iorlighting.
Once thebattery issufficient lycharged, theseat heating willswitch
back onautomatically. Steering
wheel Import
antsafety notes G
WARNIN
G
You could losecontrolofyour vehicle ifyou do
the following whiledriving:
R adjust thedriver's seat,head restraint,
steerin gwheel ormirrors
R fasten theseat belt
There isarisk ofan accident .
Adjust thedriver's seat,head restraint, steer-
ing wheel andmirror andfasten yourseatbelt
before startingthe engine. G
WARNIN
G
Children couldinjure themselves ifthey
adjust thesteerin gwheel. Thereisarisk of
injury. Never
leavechildren unsupervised inthe vehi-
cle.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. Adjust
ingthe steering wheel G
WARNIN
G
If the steerin gwheel isunlocked whilethe
vehicle isin motion ,it could change position
unexpect edly.Thiscould cause youtolose
cont rolofthe vehicle. Thereisarisk ofan
accident . 96
Steering
wheelSeats,steering wheelandmirrors