2012 MERCEDES-BENZ M-Class child restraint

Problem Possible
causes/co nsequences andM Solutions
The
engine cannot be
started usingthe
SmartK ey. The
on-board voltageistoo low.
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 338).
or
X Jump-start thevehicle (Ypage 341).
or
X Consult aqual ified specialist workshop. The
engine cannot be
started usingKEYLE SS-
GO. TheSmartK eyisin
the vehicle. Ad
oor isopen. Therefore, theSmart Keycann otbe detect edas
easily .
X Close thedoor andtrytostart thevehicle again. There
isinter ferenc efrom apowerful sourceofradio waves.
X Start yourvehicle withtheSmart Keyinthe ignition lock. Doors
Import
antsafety notes G
WARNIN
G When
leaving thevehicle, alwaysremove the
Smart Keyfrom theignition lock.Always take
the Smart Keywith youand lock thevehicle.
Do not leave children unsupervised inthe
vehicle, evenifthey aresecured inachild
restraint system,anddonot give them access
to an unlocked vehicle.Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function. If
children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very
hot, andachild could beburned onthese
parts. G
WARNING Do
not carry heavy orhard object sin the
passenger compartmen tor cargo
compartmen tunle ssthey arefirmly secu red
in place .
Unse curedorimp roperlypo sitio ned cargo
incre ases achi ld's ris kof inju ryinthe event
of
R stro ngbra king maneu vers
R sudd en cha nges ofdirecti on
R an acci dent 78
Do
orsOpening/closing

i
If
you lock thevehicle asdescribe dabove ,
the fuel filler flap isnot locked. Theanti-
theft alarm system isnot armed. Cargo
compartment Important
safetynotes
Do not leavethe SmartKey inthe cargo
compartment. Youcould otherwis elock
you rself out. G
WARNING When
leaving thevehicle ,alw aysremove the
SmartKey fromtheignition lock.Alway stake
the SmartKey withyouand lock thevehicle .
Do not leavechildre nunsu pervised inthe
veh icle, eve nifthey aresecured inachild
restraint system,anddonot give them access
to an unlocked vehicle.Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function.
If children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very
hot, andachild could beburned onthese
parts. G
WARNING Do
not carry heavy orhard object sin the
passenger compartmen tor cargo compartmen
tunle ssthey arefirmly secu red
in place .
Unse curedorimp roperlypo sitio ned cargo
incre ases achi ld's ris kof inju ryinthe event
of
R stro ngbra king maneu vers
R sudd en cha nges ofdirecti on
R an acci dent G
WAR
NING Ma
kesure the tailgate isclo sed when the
engi neisrunning andwhiled riving. Among
other dange rs,dea dlycarbon monoxide (CO)
gase smay enter vehicleinterior resultingin
unconsciou snessanddeath.
! The tailgate swings upwards andtothe
rear when opened .Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
To open thetailgate completely, aminimum
clearance of7.20 ft(2.20 m)above the
gro und isneces sary.
Fo rv ehicles withoutEASY-PACK tailgat e
you can:
R open andcloseth etailg ateman ually from
outs ide
R unloc kthe tailgate frominside withthe
emergency release
For vehicle swith EASY -PACK tailgate you
can:
R close thetailgate manually fromoutside
R open andclose thetailgate automatically
from outside
R open andclose thetailgate automatically
from inside
R limit theopening angleofthe tailgate
R unlock thetailgate frominside withthe
emergency release Cargo
compar tment
81Opening/closing Z

(
Y page 103)in such away that youhave
a good viewofroad andtrafficcon dition s.
X Vehicles withamem oryfunct ion:save
the seat, steeringwheel andexterior mirror
sett ings (Ypage 105). Seats
Impor
tantsafet ynotes G
WARN
ING In
order toavoid possible lossofvehicle
con trol,all seat, head restraint ,steer ing
wheel andrear view mirror adjustm ents,as
well asfasten ingofseat belts, mustbedone
before settingthe vehicle inmot ion. G
WARN
ING Do
not adjust thedriver' sseat while driving.
Adj ustin gthe seat while drivingcould cause
the driver tolose controlof the vehicle.
Never travelin amovin gvehicle withtheseat
backr estinan exc essively reclinedposition as
this canbedangerous. Youcould slideunder
the seat beltinacollision .Ify ou slide under
it, the seat beltwould applyforceatthe
abdomen orneck .This could cause serious or
fatal injuries. Theseat backrest andseat belts
provide thebest restraint whenthewearer is
in aposition thatisas upright aspossible and
seat belts areproperly positioned onthe
body. G
WARNING Your
seatbeltmust beadjusted sothat you
can correct lyfasten yourseatbelt.
Observe thefollowing points:
R adjust theseat backrest untilyour arms are
slightly angledwhenholding thesteering
wheel.
R adjust theseat toacomfort ableseating
position thatstillallow syou toreach the
accelerator/brake pedalsafely. The
position shouldbeasfar back aspossible with
thedriver stillable tooperate the
cont rolsproperly.
R adjust thehead restraint sothat itis as
close tothe head aspossible andthecent er
of the head restraint supports theback of
the head ateye level.
R never placehands undertheseat ornear
any moving partswhile aseat isbeing
adjusted.
Failure todo socould result inan accident
and/or serious personal injury. G
WARNING The
electrically adjustableseatscanbe
operated atany time. Therefore, donot leave
children unattended inthe vehicle, orwith
access toan unlocked vehicle.Achild's
unsupervised accesstoavehicle couldresult
in an accident and/orserious personal injury. G
WARNING Acc
ording toaccident statistics,children are
safer when properly restrained inthe rear
seating positions thaninthe front seating
position. Thus,westron glyrecommen dthat
children beplaced inthe rear seats whenever
possible. Regardlessofseating position,
children 12years oldand under mustbe
seated andproperly securedinan
appropriately sizedinfant restraint ,toddler
restraint ,or booster seatrecommen dedfor
the size andweight ofthe child. Foradditional
information, see"Chil dren inthe vehicle".
Ac hild's riskofserious orfatal injuries is
significantly increasedifthe child restraint s
are not properly securedinthe vehicle and/
or the child isnot properly securedinthe child
restraint . G
WARNING For
your protect ion,drive onlywith properly
positioned headrestraint s.
Adjust thehead restraint sothat itis as close
to the head aspossible andthecent erofthe
head restraint supports theback ofthe head
at eye level. Thiswillreduce thepotent ialfor Seats
95Seats, steering wheel and mirrors
Z

inj
ury tothe head andneckint he event ofan
accident orsimilar situation.
Do not drive thevehicle without theseat head
restraint s.Head restraint sare intended to
help reduce injuries duringanaccident.
! Toavoid damage tothe seats andtheseat
heating, observethefollowing information :
R do not spill anyliqui dson the seats. If
liqui dis spilled onthe seats, drythem as
soon aspossible.
R ifthe seat covers aredamp orwet, donot
switch onthe seat heating. Theseat
heating shouldalsonottobe used todry
the seats.
R clean theseat covers asrecommen ded;
see the"Interior care"section.
R do not transport heavyloadsonthe
seats. Donot place sharp object son the
seat cushions, e.g.knives, nailsortools.
The seats should onlybeoccupied by
passengers, ifpossible.
R when theseat heating isin operation, do
not cover theseats withinsulating
materials, e.g.blankets, coats,bags,
seat covers, childseats orbooster seats.
! When youmove theseats, makesurethat
there arenoobject sin the footwell or
behind theseats. Otherwise, youcould
damage theseats andtheobject s.
! When therear bench seatisfolded
forwards, thefront seats cannot bemoved
to their rearmost position.Youcould
otherwise damagetheseats andtherear
bench seat.
! Make surethatthesun visor isfolded up
before adjusting thebackrest andhead
restraint height.Thehead restraint andsun
visor could otherwise collidewhenthehead
restraint isfully exten ded. i
It
is not possible toremove thehead
restraint sfrom thefront seats. Therear-
compartmen thead restraint scan be
removed (Ypage 98). Please
contactanauthorized Mercedes-
Benz Center formore information . i Other
topics:
R cargo compartmen tenlargement
(folding therear bench seatforwards)
(Y page 287) Adjust
ingthe seats electrically :
Head restraint height
; Seat cushion angle
= Seat height
? Seat fore-and- aftadjustment
A Backrest angle i
Vehicles
withmemory function:ifPRE-
SAF E®
has been triggered, thefront -
passenger seatwillbemoved toabetter
position ifit was previously inan
unfavorable position. i
You
canstore theseat settin gsusing the
memory function(Ypage 105). i
Vehicles
withmemory function:when the
seat ismoved forwards orrearwards, the
headrest ismoved upordown
automatically .96
SeatsSeats, steering wheel and mirrors

Disp
laymessa ges Poss
iblecauses/c onseq uences and M Solu
tions Fro
ntPassenger Air
bag Enabled See
Operator's Man
ual The
fron t-pass enger airbag isen abled duringthejo urn ey, even
th ough :
R ach ild, asm alladult oran obj ectw eighing lessthan the
system' sweight threshold islocated onthe fron t-passenger
seat.
R the fron t-passenger seatisunocc upied.
The system maydetec tobjec tsor forc esapplying additional
weight onthe seat.
X Pull over andstop thevehicle safelyassoon aspossible, paying
att ent ion toroad andtrafficcon dition s.
X En gage theparkin gbrake.
X Switc hoff the ignit ion.
X Open thefron t-passenger door.
X Remove thechild andthechild restraint system fromthefron t-
passenger seat.
X Ifnec essary, securethechild inachild restraint system ona
suitable rearseat.
X Make surethatthereare noobjec tson the seat adding tothe
weight.
The system mayother wisedetec tthe additional weightand
interpret theseat occupant's weightasgreater thanitactually
is.
X Keep theseat unoccupied, closethefront -passenger doorand
switch onthe ignition.
Observe the45(Y page44)indicator lampandthe
multifunction displayand check thefollowing:
Seat unoccupied andignition switched on:
R the 45 indicatorlampmust lightupand remain lit.When
the indicator lampison, OCS (Ypage 44)has deactivated the
front -passenger airbag.
R the Front
Passenger AirbagEnabled SeeOperator's Manual or Front
Passenger AirbagDisabl'd See Operator's
Manual displa
ymessages mustnotappea rint he
multifunction display.Wait foraperiod ofat least 60seconds
until thenecessary systemcheckshave been completed andto
make surethatthedispla ymessages donot appea rint he
multifunction display.
If these condition sare fulfilled ,the front -passenger seatcanbe
occupied again.Whether the45 indicatorlampremains lit
or goes outdepends onhow OCS classifies theoccupant.
If the condition sare not fulfilled ,the system isnot operating
correct ly. 248
Display
messagesOn-board computer and displays

Asht
ray
Asht rayin thefront -com partmen t
cent erconsole !
The hold erund ertheasht rayisno th eat
resist ant.Befor eplacing litcigaret tesinthe
ashtray, makesurethattheashtray is
properly engaged. Otherwise, theholder
could bedamaged. X
To open: slidecover :fully forwards.
X Fold thelidofinsert =upwards.
X To rem ove theinsert: pressinsert =to
the left ?.
Asht rayinsert =slides outslightly tothe
right.
X Lift insert =up; and out.
X To install theinsert: installinsert =into
the holder andpress downonthe right-
hand sideuntil itengages.
Ashtr ayinthe rear -comp artment center
console !
Close theashtray whenitis not inuse and
before youfold therear seats forward. You
can other wisedamage theashtray.
Vehicles withoutaRear SeatEntert ainmen t
System haveanashtray inthe centercon sole
in the rear compart ment. X
To open: briefly presscover ;atthe top.
The ashtray opens.
X To rem ove theinsert:p ressintorecess
= from theright.
Ashtray insert:slid esout slightly tothe
right.
X Lift insert :upand out.
X To install theinse rt:install insert:into
the hold erand press downonthe right-
hand sideuntil itengages. Cigarette
lighter G
WARNING When
leaving thevehicle, alwaysremove the
SmartK eyfrom theignition lock.Always take
the SmartK eywith youand lock thevehicle.
Do not leave children unattendedinthe
vehicle, evenifthey aresecured inachild
restraint system,orwith access toan
unlocked vehicle.Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Thechildren
could:
R injure themselves onparts ofthe vehicle
R be seriously orfatally injured through
excessive exposuretoextrem eheat orcold
R injure themselves orcause anaccident with
vehicle equipment thatcanbeoperated
even ifthe SmartKey isremoved fromthe
ignition lockorremoved fromthevehicle,
such asseat adjustment ,steering wheel
adjustment ,or the memory function 296
FeaturesStowing and features

If
childre nopen adoor, theycould injure other
person sor get out ofthe vehicle andinjure
them selves orbe injured byfollowing traffic.
Do not expose thechild restraint system to
direct sunlight .The child restraint system's
metal parts, forexample, couldbecome very
hot, andthechild could beburned onthese
parts. G
WARNING Never
touchtheheating element orsides of
the lighter; theyareextrem elyhot. Hold the
knob only.
Make sureanychildren traveling withyoudo
not injure themselves orstart afire with the
hot cigarette lighter.
! The cigarette lighterinthe cent erconsole
in the front compartmen tis not inten ded
for operating thetire inflation compressor. X
Turn theSmartK eytoposition 2in the
ignition lock.
X To open: slidecover :fully forwards.
X Press incigarette lighter;.
Ciga rettelighter ;will pop out
automatically whentheheating element is
red-hot.
X To close :pull cover :fully back. 12
Vsocket s
Point sto obser vebefor euse Wit
hth eexc eption ofthesoc ket inthefron t
cen terc onsole, allsocket scan be used for
acc essorie swit hamax imum curren tdraw of
240 W(20 A),e.g. lamp sor charge rsfor
mobil ephones.
The socket inthe center console inthe front
compartment canbeuse dfor accesso ries,
e.g lamp sor mobil ephone chargerswith a
maximu mcurrent drawof180 W(15 A).
If you usethesockets forlong periods when
the engine isswi tched off,thebattery may
discha rge.
X Turn theSmartKey toposi tion 1in the
ignitio nlock. i
An
emergenc ycut- out ensures thatthe
on-board voltagedoesnotdrop toolow. If
the on-board voltageistoo low, thepower
to the socket sis automatically cut.This
ensures thatthere issufficient powerto
start theengine.
Socket inthe rear -compa rtment center
consol e X
Lift upthe cover ofsocket :.
Vehicles withtheRear SeatEntert ainment
System havetwosocket sin the cent er
console inthe rear compartm ent. Featur
es
297Stowing and features Z