Dep
loym ent ofthe driver 'sairba gdo es not
mea ntha tthe front-pa ssenge rfro ntairba g
de ploy sas well. The Occu pant Clas sific ati on
Sys tem (OCS) cate gorize sthe occu pant on the
fro nt-pa ssenge rsea t.Dep endingontha t
res ult, the front-pa ssenge rfro ntairba gis
ei the rena bled ordeacti vated .
Se lf-ch eckof the Occupant Class ifica -
tio nSys tem (OCS ) G
DA
NGE R
If the PASSEN GERAIRBAG OFFand
PASSEN GERAIRBAG ONindicator lamps do
not both light updurin gthe self-tes t,the
sy stem isma lfunctio ning.The front-
pa sse nge rfro ntairba gmig htbe trig gered
uni ntenti onally or mig htnot betrig gered at
al lin the eventofan acc ident with high
de cel era tion.Thi spo ses anincr eased riskof
inju ryor eve nfa tal inju ry.
In thi scas ethe front-pa ssenge rsea tma y
not beused .Do not installa chi ldres traint
sy stem onthe front-pa ssenge rsea t.Hav e
the Occu pant Clas sific ati on Sys tem (OCS)
che cked andrepaired imm ediatel yat a
qu alifi ed speci alistwo rksh op. G
WA
RNING
If the PASSEN GERAIRBAG OFFindicator
la mp rem ains lit af ter the self-tes t,the front-
pa sse nge rfro ntairba gis de acti vated .It wi ll
not bedeploy ed inthe eventofan acc ident.
In thi scas e,the front-pa ssenge rfro ntair
ba gcanno tpe rfo rm itsinte ndedpro tecti ve
fu nctio n,e.g .wh en ape rso nis sea ted inthe
fro nt-pa ssenge rsea t.
Tha tpe rso ncou ld,for exa mpl e,come into
conta ctwith the vehicle's inte rior,esp ecially
if the perso nis sitting tooclosetothe dash-
bo ard. Thi spo ses anincr eased riskof inju ry
or eve nfa tal inju ry.
Wh enthe front-pa ssenge rsea tis occu pied ,
al wa ysens uretha t:
R the classificati on ofthe perso nin the
fro nt-pa ssenge rsea tis corr ectand the
fro nt-pa ssenge rfro ntairba gis ena bled or de
acti vated inacc ordance with the per-
son inthe front-pa ssenge rsea t
R the perso nis sea ted properly with acor-
rectl yfa sten edsea tbelt
R the front-pa ssenge rsea tha sbe en mov ed
as farba ck aspossi ble
If the PASSEN GERAIRBAG OFFindicator
la mp rem ains lit wh en itsho uld not, the
fro nt-pa ssenge rsea tmu stnot beused .Do
not installa chi ldres traint system onthe
fro nt-pa ssenge rsea t.Hav ethe Occu pant
Cl as sific ati on Sys tem (OCS) checked and
rep aired imm ediatel yat aqu alifi ed speci alist
wo rksh op. G
WA
RNING
Ob jects betwe enthe seatsu rfa ce and the
chi ldres traint system couldaffect OCS
op era tion.Thi scou ldres ultin the front-
pa sse nge rai rba gnot functio ningasinte n-
de ddu rin gan acc ident. Thispo ses an
incr eased riskof inju ryor eve nfa tal inju ry.
Do not place anyobjects betwe enthe seat
su rfa ce and thechildres traint system .The
enti rebase ofthe childres traint system
mu stalwa ysres ton the seatcus hion ofthe
fro nt-pa ssenge rsea t.The backres tof the
for wa rd-f acing childres traint system must,
as faras possi ble, be res ting onthe back-
res tof the front-pa ssenge rsea t.Alw ays
comp lywith the childres traint system man-
uf actu rer'sins tallatio nins tructio ns.
After theself-tes t,the PASSEN GERAIRBAG
OFF orthe PASSEN GERAIRBAG ONindicator
la mp disp lays the status ofthe front-
pa sse nge rfro ntairba g(Y page 48).Ifthe
fro nt-pa ssenge rfro ntairba gis ena bled ,the
PASSEN GERAIRBAG ONindicator lamp lights
up for 60sec ond sand thengo es out.
If the PASSEN GERAIRBAG ONindicator lamp
is off ,onl ythe PASSEN GERAIRBAG OFFindi-
cato rla mp showsthe status ofthe front-
pa sse nge rfro ntairba g.The PASSEN GERAIR
BAG OFFindicator lamp maybe lit conti nu-
ou sly or be off.
For mor einfo rma tionab ou tthe OCS,see
"P rob lems with the Occu pant Clas sific ati on
Sys tem" (Ypage 51). 50
Oc
cupant safetySafe ty
The
rate ofvehicle deceleration oraccelera-
tion andthedirection ofthe force areessen-
tially determin edby:
R the distribution offorces during thecollision
R the collision angle
R the deformation characteristics ofthe vehi-
cle
R the charact eristics ofthe object withwhich
the vehicle hascollided
Fact orswhich canonly beseen andmeasured
after acollision hasoccurred donot play a
decisive roleinthe deployment ofan air bag.
Nor dothey provide anindication ofair bag
deployment.
The vehicle canbedeformed considerably,
without anair bag being deployed. Thisisthe
case ifonly parts which arerelatively easily
deformed areaffect edand therate ofdeceler-
ation isnot high. Conversely, airbags maybe
deployed eventhough thevehicle suffersonly
minor deformation .This isthe case if,for
example, veryrigid vehicle partssuchaslongi-
tudinal bodymembers arehit,and sufficient
deceleration occursasaresult.
If the restr aintsystem controlunit detect sa
side impact orifthe vehicle rollsover, the
applicable componentsofthe restr aintsystem
are deployed independent lyof each other
depending onthe apparent typeofaccident .
R Side impact airbags onthe side where the
impact takesplace, independent lyof the
Emergen cyTensionin gDevice andtheuse
of the seat beltonthe driver's seatand
outer seats inthe second row
The side impact airbag onthe front
passenger sidedeploys underthefollowing
condit ions:
- the OCS system detectsthat thefront
passenger seatisoccupied or
- the seat beltbuckle tongue isengaged in
the belt buckle ofthe front passenger
seat
R Window curtainairbag onthe side of
impact, independent lyof the use ofthe seat
belt andindependent lyof whether thefront -
passenger seatisoccupied
R Emergen cyTensionin gDevices, ifthe sys-
tem determin esthat deployment canoffer
additional protectioninthis situation
R Window curtainairbags onthe driver's and
front -passenger sideincert ainsituations
when thevehicle rollsover, ifthe system determin
esthat deployment canoffer addi-
tional protec tiontothat provided bythe
seat belt
i Not
allair bags aredeployed inan acci-
dent. Thevarious airbags work independ-
ently ofeach other .
How theairbag works isdetermin edbythe
severity ofthe accident detected,especially
the vehicle deceleration oracceleration and
the apparent typeofaccident :
R Head-on collision
R Side impact
R Rollover Automa
ticmeasur esafteran acci-
dent
Immediately afteranaccident ,the following
measures areimplemented, dependingonthe
type andseverity ofthe impact:
R the hazard warning lampsareswitched on
R the emergenc ylighting isactivated
R the vehicle doorsareunlocked
R the front sidewindows arelowered
R the engine isswitched offand thefuel sup-
ply iscut off
R vehicles withMercedes meconn ect:auto-
matic emergenc ycall Children
inthe vehicle Import
antsafety notes
Acc ident statist icsshow thatchildren secured
in the rear seats aresafer thanchildren
secured inthe front -passenger seat.Forthis
reason, Mercedes- Benzstronglyadvises that
you install achild restraintsystem onarear
seat. Children aregenerally betterprotected
there.
If achild younger thantwelve yearsoldand
under 5ft (1.50 m)inheight istraveling inthe
vehicle:
R alway ssecure thechild inachild restraint
system suitable forMercedes- Benzvehicles.
The child restraintsystem mustbeappropri-
ate tothe age, weight andsize ofthe child.
R be sure toobserve theinstr uctions and
safety notesinthis section inaddition tothe Children
inthe vehicle
53Safety Z
If
it is absol utely necessary tocarry achild on
the front passe ngerseat, besure toobserve
the information onthe "Occupa ntCla ssifica -
tion System (OCS)"(Ypage 47).There youwill
also findinformation ondisa bling thefront
passe ngerfront airbag.
All child restraint systemsmustmeet thefol-
lowi ngstandards:
R U.S. Federal MotorVehicle SafetyStandards
213 and225
R Cana dianMotor Vehicle SafetyStandards
213 and210.2
Confirma tionthat thechild restraint system
corresponds tothe standards canbefound on
an instruction labelon the child restraint sys-
tem. Thisconfirmation canalso befound in
the installa tioninstructions thatareinclude d
with thechild restraint system.
Observe thewarning labels inthe vehicle inte-
rior and onthe child restraint system. LATC
H-type (ISOFI X)chil dseat
sec uring system G
WARNING
For LATCH-type (ISOFIX)childrestraint sys-
tems inwhich thechild issecured usingthe
safety beltintegrated inthe child restraint
system, themaximum permissibleweig htof
the child andchild restraint systemtogether
is 73 lbs (33 kg).
If the child andthechild restraint system
together weighmore than73lbs (33 kg),the
LATCH-type (ISOFIX)childrestraint system
with integrated safetybeltnolonger offers
sufficie ntprotection. TheLATCH-type (ISO-
FIX) child seatsecuring systemmaybeover-
load ed,and thechild maynotberestrained
in an accident, forexample .This poses an
increased riskofinjury oreven fatalinjury.
If the child andthechild restraint system
together weighmore than73lbs (33 kg),
use only aLATCH-type (ISOFIX)child
restraint systeminwhich thechild isalso
secured withthevehicle seatbelt. Also
secure thechild restraint systemwiththe
Top Tether belt,ifavai lable. Regu
larlycheck thatthepermissi blegross
weig htofthe child together withthechild
restraint systemisstill maintained .
Alway scomply withthemanufacture r'sinstal-
lation andopera tinginstructions forthe child
restraint systemused.
Before everytrip,make surethattheLATCH-
type (ISOFIX) childrestraint systemisengaged
correctly inboth LATCH-type (ISOFIX)securing
rings
! When
installi ngthe child restraint system,
make surethattheseat beltforthe middl e
seat does notgettrapped .The seat belt
could otherwise bedama ged. X
Install theLATCH-type (ISOFIX)child
restraint systemonboth LATCH-type (ISO-
FIX) securing rings0043.
ISOFIX isastandardi zedsecuring systemfor
specia llydesig nedchild restraint systemson
the rear seats. LATCH-type (ISOFIX)securing
rings fortwo LATCH-type (ISOFIX)child
restraint systemsareinstalle don the left and
right ofthe rear seats.
Non-LATCH-type (ISOFIX)childseats mayalso
be used andcanbeinstalle dusing thevehi-
cle's seatbeltsystem. Installthechild seat
according tothe manufacture r'sinstructions. Top
Tether
Introductio n Top
Tether provide san addi tional connection
betwee nthe child restraint systemsecured
with aLATCH-type (ISOFIX)systemandthe
vehicle .This helps reduce therisk ofinjury
even further. Ifthe child restraint systemis
equi pped withaTop Tether belt,thisshoul d
alw ays beused . 56
Chil
dren inthe vehic leSafety
Imp
ortant safety notes G
WAR
NING
If th erear seat backrest sare notloc ked,
th ey could foldfor wards intheeve ntofan
acc iden t,heav ybrak ingorsudde nch ang es
of dire ction .As ares ult,ch ild res train tsys-
te ms cannotper formtheir intended protec-
ti ve fun ction .Rear seatbackrest sth at are
no tloc kedcan also causeaddit ionalinj u-
ries ,e. g. intheeve ntofan acc iden t.This
pos esan increas edriskof injury oreve n
fat alinj ury.
Alw ays lockrear seat backrest saft erins tal-
lin gaTop Tether belt.Obs erveth eloc kver i-
fic ati on indicat or.Adjus tth erear seat
bac krest sso that they are inan upri ghtposi-
ti on .
If th erear backrest isno ten gage dand locked,
th ered lockver ification indicat orwill bevisible
(Y page 255).
Top Tether anch orages The
Top Tether anchorages arelocate don the
rear side oftheseat backrest s. Veh
icles withadjust abl ehea dres train ts:
X Mov ehead restrain t0043 up.
X Rout eTop Tether belt 0085und erhead
res train t0043 between thetwo head restrain t
bars .
Veh icles withoutadjust abl ehea d
res train ts:
X Top Tether belt with onebelt stra p: rout e
Top Tether belt 0085centrally overhead
res train t0043.
or
X Top
Tether belt with twobelt stra ps :
rout eon eTop Tether belt 0085tothelef tand
on eto therig ht past theside ofhead
res train t0043.
All veh icles:
X Inst all theLA TCH -type (ISOF IX) child
res train tsyst emwithTop Tether .Alw ays
co mply withth ech ild res train tsyst emman -
ufac turer'sins tallation instruct ionswhen
doin gso.
X Ho ok Top Tether hook0087 ofTop Tether
belt 0085intoTop Tether anchorage 0044.
Mak esur eth at:
R Top Tether hook0087 ishoo kedint oTop
Tet her anchorage 0044assho wn
R Top Tether belt 0085isno ttwi sted
R Top Tether belt 0085isrout edbet ween the
seat backrest and cargocompar tment
co ver ifth ecar gocompar tmentco ver is
ins talled
X Ten sion TopTether belt 0085.Always comply
wit hth ech ild res train tsyst emman ufactur-
er' sins tallat ion instruct ionswhen doingso.
Veh icles withadjust abl ehea dres train ts:
X Mov ehead restrain t0043 bac kdown again
slig htly ifne cessar y(Y page 96).Make
sur eth at you donotint erf ere withth eco r-
rec trout ingofTop Tether belt 0085. Child
restrain tsys tem onthefront -
pa sseng ersea t
Gener alnot es Ac
cid entst ati stics sho wthat childr ensec ured
in therear seatsare saferthan childr en
sec ured inthefron t-pass enger seat .Fo rth is
reas on,Mer cedes- Benzst ron gly advi sesthat Child
renintheveh icle
57Safet y Z
G
WARNING
If the drive r'sseat isnot engag ed,itcoul d
move forwardsasfar asthe next catch dur-
ing movement suchasbraki ngorabru pt
changes ofdire ction. Asaresu lt,you would
be pus hed against yourseat beltby the
unsecu reddrive r'sseat.
This couldcaus eyou tolose control ofthe
vehicl e.The seat beltcannot protect as
intended andcouldresu ltin add itiona l
injury .
There isarisk ofan accide ntand injury .
Before everyjourney ,make surethatthe
drive r'sseat isfull yengag ed.
Observe thesafety noteson"Air bags"
(Y pag e44) and "Children inthe vehicl e"
(Y pag e53). G
WARNING
If the drive r'sseat isnot engag ed,itcoul d
move unexpe ctedlywhilethe vehicl eis in
motion. Thiscouldcaus eyou tolose control
of the vehicl e.There isarisk ofan accide nt.
Alwa ysmake surethatthedrive r'sseat is
engag edbefore starting thevehicl e. G
WARNING
You couldlose control ofyou rvehicl eif you
do the followi ngwhi ledrivi ng:
R adju stthe drive r'sseat, headrestrai nt,
steering wheelor mirrors
R fasten theseat belt
There isarisk ofan accide nt.
Adjust thedrive r'sseat, headrestrai nt,
steering wheeland mirror andfasten your
seat beltbefore starting theengine. G
WARNING
If you adju stthe seat heightcarel essly,you
or other vehicleoccupa ntscoul dbe trappe d
and thereby injured.Chi ldre nin particu lar
coul daccide ntallypress theelectrica lseat
adju stment buttons andbecome trapped.
There isarisk ofinjury . Whil
emoving theseats, makesurethatyour
hands orother bodyparts donot getunder
the leve rasse mbly ofthe seat adjustment
system.
! To
prevent damagetothe seats andthe
seat heati ng,obser vethe followi ngnotes:
R Do not spillliq uid sonto theseats. Drythe
seats assoon aspossi bleifliq uid does
get spilled onthe seats.
R Ifthe seat covers aredamp orwet, donot
swi tch onthe seat heati ng.Also, donot
use theseat heati ngtodry the seats.
R Cle anthe seat covers asrecommende d;
see the"Interio rcare" section.
R Do not transport heavyloa dson the
seats. Donot placepointed objectson
the seat cushi onssuch asknives, nailsor
tools. Where possible,use theseats only
for carryi ngpass engers.
R When operatingtheseat heati ng,donot
cover theseats withinsulating materia ls,
e.g. blankets, coats,bags,protective cov-
ers, child seats orbooster seats.
R When theseat heati ngisswi tched on,the
seat surfa cecan bedama gedasaresu lt
of objects being placed onthe seats, for
exampl e,seat cushi ons,child seats and
protective coversnotapproved by
Mercede s-Benz.
! Make
surethatthere arenoobjects inthe
footwel lunder orbehi ndthe seats when
moving theseats back. There isarisk that
the seats and/or theobjects couldbe dam-
age d.
i Further related subjects:
R Ca rgo compartment enlargement (folding
dow nthe rear seats) (Ypag e254) Seats
93Seats,steering wheeland mirrors Z
Adj
usting thehea dres train ts
Imp ortant safety notes G
WAR
NING
You could lose control ofyour vehicleif you
do thefol lowin gwhile drivin g:
R adj ust thedri ver 'sseat ,head restrain t,
st eer ing whee lor mir rors
R fas tenth eseat belt
The reisaris kof an acc iden t.
Ad jus tth edri ver 'sseat ,head restrain t,
st eer ing whee land mirror and fastenyour
seat beltbefore start ing theen gin e. G
WAR
NING
If th ehead restrain tsare notins talled ornot
adj ust edcorrec tly, they can notpro videpro -
te ction asintended. Thereisan increas ed
ris kof injury inthehead andneck area, e.g.
in theeve ntofan acc iden tor when braking.
Alw ays drive wit hth ehead restrain tsins tal-
led. Befor edri vin goff ,mak esur efor eve ry
veh icleoc cup ant that thece nter ofthehead
res train tsupp ortsth ebac kof thehead at
about eyelevel.
Usi ngthefor e-and -aftadj ust men t,adj ust the
head restrain tso that itis as clo seaspos sible
to your head.
Gene ralnot es Fo
rveh icles wit hspo rts seat syou cannot
adj ust thefron thead restrain tsor theout er
rear head restrain ts. Adj
usting thehea dres train tsma nua lly Adj
usting thehea dres train theig ht X
To raise: pullthehead restrain tup tothe
desi redposition .
X To lower :pre ssrelease catch0043 inthe
dir ection ofthearr ow and push thehead
res train tdown tothedesi redposition .
Adj usting thefor e/af tpos ition ofthe
hea dres train t Wit
hth is fun ction you can adjust thedist ance
bet ween thehead restrain tand thebac kof
th eseat occup ant'shead .
X To mov efor war ds:pull thehead restrain t
for ward sin thedir ection ofthearr ow untilit
en gage s.
The reare several notches .
X To mov eback wards:pre ssand hold
rel ease button0043 and push thehead
res train tbac kwa rds.
X When thehead restrain tis in thedesi red
pos ition ,rel ease thebut tonand makesur e
th at thehead restrain tis en gage din pos i-
ti on . Sea
ts
95Seats,ste ering wheel 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 hion
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 kres 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 causethe seatcus hionand backrest
pa ds tobec ome veryhot.Thehealthofper -
sons with limite dtemp erature sensitivity or
a limite dab ility torea ctto hig htemp era-
ture smay beaffected orthey mayevensu f-
fer burn-li keinju 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 protec-
tive cove rsnot appro ved byMer cedes-Be nz.
Ensur ethat there arenoobje ctsonthe seat
su rfa ce when the seathea ting isswi tched
on. 96
Se
atsSe ats, steering wheeland mirrors
The
three redindicator lampsinthe button
indicate 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 in
the ignition lock(Ypage 125).
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 offprema-
turely orcann otbe
switched on. The
on-board voltageistoo low because toomany electric alcon-
sumers areswitched on.
X Switch offelectric alconsumer sthat youdonot need, suchasthe
rear window defrosteror inter iorlighting.
Once thebattery issufficient lycharged, theseat heating will
switch backonautomatically. 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,
steerin gwheel andmirror andfasten your
seat beltbefore startingthe engine. G
WARNIN
G
Children couldinjure themselves ifthey
adjust thesteerin gwheel. Thereisarisk of
injury. Never
leavechildren unsupervised inthe
vehicle.
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 . Steering
wheel
97Seats,steering wheelandmirrors
Z