
passenger
frontair bag isdeactiv ated.Itwill
not bedeployed inthe event ofan acciden t.
In this case, thefron t-passenger frontair
bag cann otperfor mits intended protective
func tion,e.g. when aperson isseated inthe
fron t-passenger seat.
That person could,forexample, comeinto
con tact with thevehicle's interior, especially
if the person issitt ing too close tothe dash-
board. Thisposes anincr eased riskofinjury
or even fatalinjury.
When thefron t-passenger seatisocc upied,
always ensure that:
R the classific ationofthe person inthe
fron t-passenger seatiscorr ectand the
fron t-passenger frontair bag isenabled or
deactiv atedinaccor dance withtheper-
son inthe fron t-passenger seat
R the person isseated properly withacor-
rect lyfasten edseatbelt
R the fron t-passenger seathasbeen moved
as far back aspossible
If the PAS SENGER AIRBAGOFF indicat or
lamp remains litwhen itshould not,the
fron t-passenger seatmust notbeused. Do
not installachild restraint system onthe
fron t-passenger seat.Have theOcc upant
Classification System(OCS)checkedand
repaired immediately ataqualified specialist
worksh op. G
WARN
ING
Objec tsbetween theseat surface andthe
child restraint system couldaffect OCS operation
.This could result inthe fron t-
passenger airbag notfunc tioningasinten-
ded during anacciden t.This poses an
incr eased riskofinjury oreven fatalinjury.
Do not place anyobjec tsbetween theseat
surface andthechild restraint system. The
ent irebase ofthe child restraint system
must always restonthe seat cushion ofthe
fron t-passenger seat.Thebackr estofthe
forward- facingchild restraint system must,
as far aspossible, berest ingonthe back-
rest ofthe fron t-passenger seat.Always
comply withthechild restraint system man-
ufactur er'sinstallation instruct ions.
Aft erthe self-t est,thePAS SENGER AIRBAG
OFF orthe PAS SENGER AIRBAGON indicat or
lamp displays thestatusofthe fron t-
passenger frontairbag (Ypage 48).Ifthe
fron t-passenger frontairbag isenabled, the
PAS SENGER AIRBAGON indicat orlamp lights
up for 60secon dsand then goes out.
If the PAS SENGER AIRBAGON indicat orlamp
is off, only thePAS SENGER AIRBAGOFF indi-
cator lampshows thestatusofthe fron t-
passenger frontairbag. ThePASSENGER AIR
BA GOFF indicat orlamp maybelitcon tinu-
ously orbe off.
For more information abouttheOCS, see
"Problems withtheOcc upant Classification
System "(Y page 51).
Problems withtheOccupant Classification System(OCS) Be
sure toobserve thenoteson "System self-test"(Ypage 50). Occupant
safety
51Safet y Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
PASS ENGER AIR
BAG OFFindicator lamp
lights upand remains
lit, even though the
front -passenger seatis
occupied byan adult or
a person ofastature
correspondin gto that of
an adult. The
classification ofthe person onthe front -passenger seatisincor-
rect.
X Make surethecondition sfor acorrect classification ofthe per-
son onthe 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-Ben zCenter. The
PASS ENGER AIR
BAG OFFindicator lamp
does notlight up
and/or doesnotstay
on.
The front -passenger
seat is:
R unoccupied
R occupied bythe
weight ofachild up
to twelve monthsold
in achild restraint
system OCS
ismalfunctionin g.
X Make surethere isnothin gbetween theseat cushion andthe
child seat.
X Make surethattheentire baseofthe child restraint systemrests
on the seat cushion ofthe front -passenger seat.Thebackrest of
the forward-facing childrestraint systemmustlieasflat aspossi-
ble 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,makesurethatthe
seat beltistight. Donot pull theseat belttight using thefront -
passenger seatadjustment .This could result inthe seat beltand
the child restraint systembeingpulled tootightly.
X Check forcorrect installation ofthe child restraint system.
Make surethatthehead restraint doesnotapply aload tothe
child restraint system.Ifnecessary, adjustthehead restraint
accordingly.
X Make surethatnoobject sare apply ingadditional weightontothe
seat.
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains off
and/or thePASS ENGER AIRBAG ONindicator lamplights up,do
not install achild restraint systemonthe front -passenger seat.
X Have OCScheck edassoon aspossible atan authorized
Mercedes-Ben zCenter. Roll
bar G
DANGER
If the rollbar has developed amalfunction, it
may notfunct ion,e.g. inthe event ofan
accident. Therollbars maythen notprotect
the vehicle occupants asinten ded.This
poses anincreased riskofinjury oreven
fatal injury.
Have rollbars check edimmediately ata
quali fiedspecialist workshop. G
WARNING
If you place object sor clothing onthe roll
bar covers, thesecouldimpair rollbar exten -
sion. Therollbars maythen notprotect the
vehicle occupants asinten ded.Inaddition,
object scould endanger thevehicle occu-
pants whentherollbar isexten ding.This
poses anincreased riskofinjury oreven
fatal injury.
Ensure thatthemovement areaofthe roll
bar covers iskept clear. Always stowall
object sin the vehicle correctly. 52
Occ
upantsafetySafety

ensures
thattheseat beltcann otslacken once
the child seatissecured.
Inst alling achild restraintsystem:
X Make sureyouobserve thechild restraint
system manufact urer'sinstallation instruc-
tion s.
X Pull theseat beltsmoot hlyout ofthe seat
belt guide.
X En gage seatbelttongue inbelt buckle.
Act ivating thespecial seatbeltretractor :
X Pull theseat beltoutfully andletthe inert ia
reel retract itagain.
While theseat beltisretr actin g,you should
hear aratc hetin gsound. Thespecial seat
belt retractor isenabled.
X Push thechild restraintsystem downsothat
the seat beltistight anddoes notloosen.
Removing thechild restraintsystem anddeac-
tivat ingthe special seatbeltretractor :
X Make sureyouobserve thechild restraint
system manufact urer'sinstallation instruc-
tion s.
X Press therelease buttonofthe seat belt
buckle androute theseat belttongue back
towards theseat beltguide.
The special seatbeltretractor isdeactiva-
ted. Child
restraintsystem
The useofseat belts andchild restraintsys-
tems isrequired bylaw in:
R all 50 stat es
R the U.S.terr itories
R the Dist rictofColumbia
R all Canadian provinces
You canobtain furtherinfor mation aboutthe
corr ectchild restraintsystem fromanyauthor-
ized Mercedes- BenzCenter . G
WARN
ING
If the child restraintsystem isinst alled
incor rectlyon asuitable seat,itcann otpro-
tec tas inten ded.Thechild cannotthen be
restr ained inthe event ofan acciden t,heavy
braking orsudden changes ofdirect ion.
There isan incr eased riskofinjury, possibly
even fatal. Make
surethatyouobserve thechild
restr aintsystem manufact urer'sinstallation
inst ruct ions andthenoteson use. Please
ensure, thatthebase ofthe child restraint
system isalway srestin gcomplet elyonthe
seat cushion. Neverplaceobjects,e.g. cush-
ions, under orbehind thechild restraintsys-
tem. Onlyusechild restraintsystems with
the original coverdesigned forthem. Only
replace damaged coverswith genuine cov-
ers. G
WARN
ING
If the child restraintsystem isinst alled
incor rectlyor isnot secured, itcan come
loose inthe event ofan acciden t,heavy
braking orasudden changeindirect ion.The
child restraintsystem couldbethro wn
about, strikingvehicle occupant s.There is
an incr eased riskofinjury, possibly even
fatal.
Always installchild restraintsystems prop-
erly, even ifthey arenot being used.Make
sure thatyouobserve thechild restraintsys-
tem manufact urer'sinstallation instruct ions.
Furt herinfor mation onstowing objects,lug-
gage andloads securely canbefound under
“St owing options/stowage compart ments”
(Y page 252). G
WARN
ING
Child restraintsystems ortheir securing sys-
tems which havebeen damaged orsubjec-
ted toaload inan acciden tcan nolonger
protec tas inten ded.Thechild cannotthen
be restr ained inthe event ofan acciden t,
heavy braking orsudden changes ofdirec-
tion .There isan incr eased riskofinjury,
possibly evenfatal.
Replace childrestraintsystems whichhave
been damaged orsubject edtoaload inan
acciden tas soon aspossible. Havethe
securing systemsonthe child restraintsys-
tem check edataqualified specialist work-
shop, before youinstallachild restraintsys-
tem again. 58
Children
inthevehicleSafet y

The
securing systemofchild restraintsystems
is the seat beltsystem.
If you install achild restraintsystem onthe
front passenger seat,besure toobserve the
instr uctions andsafety noteson the "Occu-
pant Classification System(OCS)"(Ypage 48).
There youwillalso findinform ationondisa-
bling thefront passenger frontairbag.
All child restraintsystems mustmeet thefol-
lowing standards:
R U.S. Federal MotorVehicle SafetyStandards
213 and225
R Canadian MotorVehicle SafetyStandards
213 and210. 2
Confirmation thatthechild restraintsystem
correspon dstothe standards canbefound on
an instr uction labelonthe child restraintsys-
tem. Thisconfirmation canalso befound in
the installation instructions thatareincluded
with thechild restraintsystem.
Observe thewarning labelsinthe vehicle inte-
rior and onthe child restraintsystem. Child
restraintsystem onthe front-
passenger seat
General notes If
you install achild restraintsystem onthe
front -passenger seat,alway sobserve the
instr uctions andsafety noteson the "Occu-
pant Classification System(OCS)"(Ypage 48).
You canthus avoid therisks thatcould arise
as aresult of:
R an incorr ectlycategoriz edperson inthe
front -passenger seat
R deactivatin gthe front passenger frontair
bag unint ention ally
R the unsuitable positioningof the child
restr aintsystem, e.g.tooclose tothe dash-
board
Rear ward- facing childrestraintsystem If
circumst ancesrequire youtosecure achild
in arearward-facing childrestraintsystem on
the front -passenger seat,alway smake sure
that thefront passenger frontairbag isdeacti-
vated. Onlyifthe PASS ENGER AIRBAG OFF
indicator lampislit cont inuously (Ypage 41),
is the front passenger frontairbag deactiva-
ted. Always
observe thechild restraintsystem
manufact urer'sinstallation andoperating
instr uctions .
Forward- facingchildrestraintsystem If
you secure achild inaforward-fac ingchild
restr aintsystem onthe front -passenger seat,
alway smove thefront -passenger seatasfar
back aspossible. Fullyretrac tthe seat cushion
length. Theentir ebase ofthe child restraint
system mustalway srest onthe seat cushion
of the front -passenger seat.Thebackrest of
the child restraintsystem mustlieasflat as
possible againstthebackrest ofthe front -
passenger seat.Thechild restraintsystem
must nottouch theroof orbe subject edtoa
load bythe head restraint. Adjust theangle of
the seat backrest andthehead restraintposi-
tion according ly.Always makesurethatthe
shoulder beltstrap iscorrec tlyrouted fromthe
front -passenger seatbeltguide tothe shoulder
belt guide onthe child restraintsystem. The
shoulder beltstrap mustberouted forward
and down fromthefront -passenger seatbelt
guide. Ifnecessary, adjustthefront -passenger
seat according ly.
Always observe thechild restraintsystem
manufact urer'sinstallation andoperating
instr uctions . Pets
inthe vehicle G
WARNIN
G
If you leave animals unsupervised orunse-
cured inthe vehicle, theymaypress button s
or switches, forinstan ce.
In this way, animals may:
R activate vehicleequipment andbecome
trapped, forexample
R switch systems onoroff and thereby
endanger otherroadusers
Further more,unsecured animalsmaybe
flung around insidethevehicle inthe event
of an accident orabrupt steeringor braking
maneuver, andthereby injurevehicle occu-
pants. Thereisarisk ofaccident andinjury.
Never leaveanimals unattendedinthe vehi-
cle. Pets
inthe vehicle
59Safety
Z

Corr
ectdriver 'sseat position G
WAR
NING
You couldlose control of your vehicle ifyou
do thefoll 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
seat beltbefore start ing theen gin e. X
Obse rveth esafe tyguidel ineson seat
adj ust men t(Y page 97).
X Mak esure that seat 0087isadj ust edpro perl y.
Ele ctric alseat adjust men t.(Y page 99)
When adjust ing theseat ,mak esure that:
R you areasfar away from thedriv er'sair bag
as poss ible
R you aresittin gin ano rm aluprig htposi tion
R you can fastentheseat beltproperl y
R you have movedtheback restto an almos t
ver ticalposi tion
R you have settheseat cushion angleso that
your thighs aregentlysuppo rted
R you can depr essthepedals properl y
X Chec kwhet herthehead restraint isadj us-
te dpro perl y.
When doingso, mak esure that you have
adj ust edthehead restraint sothat theback of
your head issuppo rted ateye levelby the
cen terof thehead restraint .
X Obse rveth esafe tyno teson steer ing col-
umn adjust men t(Y page 103).
X Mak esure that steer ing wheel 0043isadj us-
te dpro perl y.
Ad jus tingth est eer ing wheel electricall y
(Y page 103)
When adjust ing thest eer ing wheel column ,
mak esure that:
R you can hold thest eer ing wheel withyour
arm ssligh tlyben t
R you can mov eyour legsfreely
R you can seeallthedispl aysintheins tru-
men tclus tercle arly
X Obse rveth esafe tyguidel inesfor seat belts
(Y page 42).
X Chec kwhet heryou have fastened seat
belt 0044properl y(Y page 44).
The seat beltshould:
R fit snugly across your body
R be rout edacr oss themidd leof your shoul-
der
R be rout edinyour pelvicarea across thehip
jo int s
X Bef ore start ing off,adj ust therear -view mir-
ror and theex terior mirrors(Y page 105)in
suc haway that you have agood viewof
road andtraff iccon dition s.
X Store theseat ,st eer ing wheel andexterior
mir ror settings usin gth emem oryfunction
(Y page 107). Seat
s Imp
ortant safety notes G
WAR
NING
Childr encoul dbec ome trapped ifth ey
adj ust theseat s,part icular lywhen unatten-
ded. Thereis 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. Seat
s
97Seat s,steerin gwheel andmirro rs Z

The
seats canstillbeadjusted whenthereis
no Smart Keyinthe ignition lock. G
WARNIN
G
When youadjust aseat, youorother vehicle
occupant scould become trapped, e.g.on
the seat guide rail.There isarisk ofinjury.
When adjusting aseat, make surethatno
one hasany body parts inthe sweep ofthe
seat. G
WARNIN
G
If the driver's seatisnot engaged, itcould
move forwards asfar asthe next catchdur-
ing movemen tsuch asbraking orabrupt
changes ofdirection .As aresult, youwould
be pushed againstyourseatbeltbythe
unsecured driver'sseat.
This could cause youtolose controlofthe
vehicle. Theseat beltcann otprotec tas
inten dedandcould result inadditional
injury.
There isarisk ofan accident andinjury.
Before everyjourney, makesurethatthe
driver's seatisfully engaged.
Observe thesafety noteson "Air bags"
(Y page 45)and "Children inthe vehicle"
(Y page 57). G
WARNIN
G
If you adjust theseat height carelessly, you
or other vehicle occupant scould betrapped
and thereby injured.Children inparticular
could accident allypress theelectric alseat
adjustmen tbutton sand become trapped.
There isarisk ofinjury.
While moving theseats, makesurethatyour
hands orother bodyparts donot getunder
the lever assembly ofthe seat adjustmen t
system. G
WARNIN
G
If the head restraints arenot installed ornot
adjusted correctly,they cannotprovide pro-
tect ionasinten ded.There isan increased
risk ofinjury inthe head andneck area, e.g.
in the event ofan accident orwhen braking. Always
drivewiththehead restraints instal-
led. Before driving off,make sureforevery
vehicle occupant thatthecent erofthe head
restr aintsupports theback ofthe head at
about eyelevel. 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.
! To
prevent damage tothe seats andthe
seat heating, observethefollowing notes:
R Do not spill liquids ontothe seats. Drythe
seats assoon aspossible ifliquid does
get spilled onthe seats.
R Ifthe seat covers aredamp orwet, donot
switch onthe seat heating. Also,donot
use theseat heating todry the seats.
R Clean theseat covers asrecomm ended;
see the"Inter iorcare" section .
R Do not trans portheavy loadsonthe
seats. Donot place pointed objectson
the seat cushions suchaskniv es,nails or
tools. Where possible, usetheseats only
for carrying passengers.
R When operating theseat heating, donot
cover theseats withinsulating materials,
e.g. blankets ,coats, bags,protec tivecov-
ers, child seats orbooster seats.
R When theseat heating isswitched on,the
seat surface canbedamaged asaresult
of object sbeing placed onthe seats, for
example, seatcushions, childseats and
protec tivecovers notapproved by
Mercedes- Benz.
! Make
surethatthere arenoobject sin the
footwell underorbehind theseats when
moving theseats back. There isarisk that
the seats and/or theobject scould bedam-
aged.
i The
head restraints cannotbe removed. 98
SeatsSeats,
steering wheelandmirrors

Steering
wheel Import
antsafety notes G
WARNING
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint ,
steering wheelormirrors
R fasten theseat belt
There isarisk ofan accident.
Adjust thedriver's seat,head restraint ,
steering wheelandmirror andfasten your
seat beltbefore startingthe engine. G
WARNING
Children couldinjure themselves ifthey
adjust thesteering wheel.Thereisarisk of
injury.
Never leavechildren unsupervised inthe
vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect.
The electrically adjustablesteeringwheelcan
still beadjusted whenthereisno SmartK eyin
the ignition lock. Adjust
ingthe steering wheelelectri-
cally 0043
Adjust sthe steering wheelheight
0044 Adjust sthe steering wheelposition (fore-
and-aft adjustment )
i Further relatedsubjects:
R EAS Y-ENTRY/E XITfeature (Ypage 103)
R Stor ingsettin gs(Y page 107) EASY
-ENTR Y/EXITfeatur e
Import antsafety notes G
WARNING
If you drive offwhile theEAS Y-ENTRY/E XIT
feature ismaking adjustment s,you could
lose controlofthe vehicle. Thereisarisk of
an accident.
Always waituntil theadjustment processis
complete beforedriving off. G
WARNING
When theEAS Y-ENTRY/E XITfeature adjusts
the steering wheel,youand other vehicle
occupants –particularly children–could
become trapped. Thereisarisk ofinjury.
While theEAS Y-ENTRY/E XITfeature ismak-
ing adjustment s,make surethatnoone has
any body parts inthe sweep ofthe steering
wheel. Steering
wheel
103Seats,steering wheeland mirrors
Z