2012 MERCEDES-BENZ M-Class wheel size

Vehi
cle dime nsions........................... 390
Vehic leemerge ncylocking ................ 80
Vehic leiden tification number
see VIN
Vehic leiden tification plate.............. 381
Vehic lelev el(dis play messag e)....... 258
Vehic letool kit.................................. 328
Video (DVD) ..................... ................... 230
VIN ...................................................... 381W
Warning
andindicator lamps
ABS ............................ .................. .. 272
Brakes ........................................... 271
Che ckEngine ................................. 276
Coo lant .......................................... 277
Distance warning ........................... 279
DISTRONI CPLUS ........................... 279
ESP ®
.............................................. 273
ESP ®
OFF .......................................274
Fuel tank ............................... 276,277
Overvi ew.......................................... 30
PASSENGER AIRBAG OFF
indi cator lamp .................................. 44
Res erve fuel....... ....... ............. 276,277
Seat belt........................................ 269
SRS ............................ .................... 275
Tire press uremonitor .................... 280
Warranty ............................................ 381
Washer fluid
Displ aymessa ge............................ 267
see Winds hieldwa sher system
Whee lbol ttight ening torque ........... 337
Whee lcho ck...................................... 334
Whee ls
Cha nging awheel .......................... 333
Che cking ........................................ 351
Cl eani ng....... ....... ..................... ...... 320
Importa ntsafe tynotes .................. 350
Interchangi ng/changing................ 374
Mou nting awheel .......................... 336
Rem oving awheel .......................... 336
Storing ........................................... 375
Tig htening torque....... .................... 337
Whee lsize/ tires ize ....................... 375Windo
wcurtain airbag
Displ aymessa ge............................ 246
Opera tion............ ...... .......................4 4
Windo ws
Cl eani ng...... ...... ............................. 321
see Side windows
Windshi eld
Defrosting ...................................... 131
Infrared reflective .......................... 309
Winds hieldwasher system.............. 315
Notes ............................................. 390
Winds hieldwiper s
Problem (malfunction) ................... 120
Rea rwindow wiper........................ 118
Rep lacing thewiper blades ............ 119
Switchi ngon/off ........................... 118
Winte rdriving
Imp orta ntsafety note s.................. 352
Slip pery road surfaces................... 162
Snow chains.................................. 353
Winte roperatio n
Ra dia tor cover ............................... 313
Winte rtires
M+S tires....................................... 352
Wiper blades
Cl eani ng....... ..................... ............. 321
Importa ntsafe tynotes .................. 119
Rep lacing (rearwindow) ................ 119
Rep lacing (windshi eld)................... 119
Woo dentrim (clean ing
ins truction s)...................................... 32420
In
dex

Since
theairb ag inflate swithcon siderable
speed andforce, aproper seatingposit ion
and correctposit ioningof the hands onthe
ste erin gwheel willhelp tokeep youatasafe
dist ancefro mt heair bag. Occupants whoare
not wearing theirseatbelt, arenot seated
properly orare too close tothe airbag canbe
seriously injuredorkilled byan air bag asit
inflates withgreat forceinstant aneously :
R Sit with theseat beltproperly fastened ina
position thatisas upright aspossible with
your back against theseat backrest.
R Move thedriver's seatasfar back as
possible, stillpermittin gproper operation
of vehicle controls. Thedistance fromthe
cent erofthe driver's chesttothe cent erof
the airbag cover onthe steering wheel
must beatleast 10inches (25cm) ormore.
You should beable toaccomplish thisby
adjusting theseat andsteering wheel.If
you have anydifficulties, pleasecontactan
authorized Mercedes-Ben zCent er.
R Do not lean your head orchest closetothe
steerin gwheel ordashboard.
R Only holdthesteerin gwheel bythe rim.
Placing handsandarms inside therim can
incr ease therisk and poten tialseverit yof
hand/arm injurywhenthedriver frontair
bag inflates .
R Adj ust the fron t-passenger seatasfar back
as possible fromthedashboard whenthe
seat isoccupied.
R Occ upants, especially children,should
never placetheirbodies orlean their heads
in the area ofthe door where theside
impact airbag inflates .This could result in
serious injuries ordeath should theside
impact airbag bedeploy ed.Always sitas
upright aspossible, weartheseat belt
properly anduseanappropriately sized
child restraint ,infant restraint orbooster
seat recommen dedforthe size andweight
of the child.
Failure tofollow theseinstruct ionscanresult
in severe injuries toyou orother occupants. If
you sellyour vehicle, itis important thatyou
make thebuyer aware ofthis safety
information. Besure togive thebuyer this
Operator's Manual. G
WARNING Acc
ident research showsthatthesafest place
for children inan automobile isin arear seat.
As ide impact airbag relat edinjury may occur
if occ upant s,espec iallychildr en,are not
proper lyseate dor rest raine dwhen next toa
side impact airbag which needs todeploy
rapidly inaside impact inorder todo itsjob.
To help avoid thepossibili tyof injury, please
follow theseguidelines:
(1) Always sitasupright aspossible
and usetheseat belts properly.
Make surethatchildren 12years
old and under useanappropriately
sized childrestraint ,infant
restraint ,or booster seat
recommen dedforthe size and
weight ofthe child.
(2) Always wearseatbelts properly.
The airbags areonly deploy edifthe airbag
cont rolunit detects theneed fordeploy ment.
Only inthe event ofsuch asituation willthey
provide theirsupplemental protection.
The driver andpassenger shouldalwayswear
their seatbelts. Otherwise, itis not possible
for the airbags toprovide theirsupplemental
protect ion.
In the event ofother types ofimpacts and
impacts belowairbag deploy ment
thresholds, theairbags willnotdeploy .The
driver andpassengers willthen beprotect ed
to the exten tpossible byaproperly fastened
seat belt. Aproperl yfastened seatbeltisalso
needed toprovide thebest possible
protect ioninarollover.
Air bags provide additional protection;they
are not, however, asubstitute forseat belts.
All vehicle occupants mustfasten theirseat
belts regardless ofwhether yourvehicle is
equip pedwith airbags ornot. Occ
upant safety
41Safety Z

Ac
hild inarear-facing childrestraint onthe
front passenger seatwillbeseriously
injured oreven killed ifthe front passenger
front airbag inflates.
R Ifyou have toplace achild inaforward-
facing childrestraint onthe front passenger
seat, move theseat asfar back aspossible,
use theproper childrestraint
recommen dedforthe age, sizeandweight
of the child, andsecure childrestraint with
the vehicle's seatbeltaccording tothe
child seatmanufacturer's instructions. G
WARNING Infant
sand small children shouldnevershare
a seat beltwith another occupant. Duringan
accident, theycould becrushed between the
occupant andseat belt.
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 .
Children toobigforatoddler restraint must
ride inseats usingregular seatbelts. Position
the shoulder beltacross thechest and
shoulder, notface orneck .Abooster seat
may benecessary toachieve properseatbelt
positioning forchildren over41lb(18 kg)until
they reach aheight wherealap/shoulder belt
fits properly withoutabooster.
When thechild restraint isnot inuse, remove
it from thevehicle orsecure itwith theseat
belt toprevent thechild restraint from
becoming aproject ileinthe event ofan
accident .
If an infant orchild istraveling inthe vehicle:
X Secure theinfant orchild withan
appropriate infantorchild restraint
recommen dedforthe child's ageand
weight.
X Make surethattheinfant orchild is
properly securedatall times whilethe
vehicle isin motion . G
WARNING When
leaving thevehicle, alwaysremove the
Smart Keyfrom theignition lock.Always take
the Smart Keywith 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
If children openadoor, theycould injure other
persons orget out ofthe vehicle andinjure
themselves orbe injured byfollowing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very
hot, andthechild could beburned onthese
parts. G
WARNING Do
not carry heavy orhard object sin the
passenger compartmen tortrunk unles sthey
are firmly secure din pla ce.
Unsecured orimprop erlypositioned cargo
increase sa child 'srisk ofinjury inthe event
of
R strong braking maneuvers
R sudd enchanges ofdirectio n
R an accide nt
Spec ialseat beltretr act or All
seat beltsexc ept thed river's seatbeltare
equ ipped with aspeci alseat beltretrac tor.
When activated, thespecial seatbelt 56
Childr
eninthevehicleSafety

R
to cros sing traffic
R in cur ves
As ares ult, BAS PLUScann otinte rvenein
cri tica lsi tua tions. The reisaris ko fan
acc iden t.Always paycareful attent ion tothe
tr aff icsit uatio nand berea dytobra ke.
Fol lowi ng dama getothe front endofthe
veh icle, ha ve the confi guratio na nd opera tion
of the rada rs ensor schec kedataqualified
specialist workshop.This also applies to
collisions atlow speeds wherethereis no
visible damage tothe fron tofthe vehicle.
If BAS PLUS isnot availa bledue toa
malfunction inthe radar sensor system, the
brake system remains availablewith full
brake boosting effectandBAS. ESP
®
(Ele ctronic Stability Program)
Import antsafety notes i
See
the"Important safetynotes" section
(Y page 61).
If ESP ®
detect sthat thevehicle isdeviating
from thedirection desiredbythe driver, one
or more wheels arebraked tostabilize the
vehicle. Ifnecessary, theengine outputisalso
modified tokeep thevehicle onthe desired
course withinphysical limits.ESP®
assists
the driver whenpullingaway onwet or
slippery roads.ESP®
can also stabilize the
vehicle duringbraking.
If ESP ®
interven es,the ÷ ESP®
warning
lamp flashes inthe instrumen tcluster . G
WARN
ING Und
erno circums tances should you
deact ivateES P®
when the÷ ESP®
warnin glamp inthe instrumen tclust er
flashe s.Proc eedasfollows :
R when drivingoff ,apply aslittlethr ottleas
possible .
R while driving,ease upon the accelerat or
pedal.
R adapt yourspeed tosuit theprev ailing road
and weathe rconditions .
Failure toobserve theseguidelines could
cause thevehicle toskid. ESP®
cann ot
prevent accident sresulting fromexcessive
speed.
! Only operate thevehicle foramaximum
of ten seconds onabrake test
dynamometer. Switchoffthe ignition.
Application ofthe brakes byESP ®
may
otherwise destroythebrake system.
! Funct ionorperformanc etest smay only
be performed ona2-axle dynamometer. If
you wish tooperate thevehicle onsuch a
dynamometer, pleaseconsult an
authorized Mercedes-B enzCenter
beforehand. Youcould otherwise damage
the drive trainorthe brake system. i
Only
usewheels withtherecommen ded
tire sizes. OnlythenwillESP ®
funct ion
properly.
4ETS (Electronic Traction System) i
Observe
the"Important safetynotes"
section (Ypage 61).
Traction controlispart ofESP ®
.
Traction controlbrakes thedrive wheels
individuall yif they spin. Thisenables youto
pull away andaccelerate onslippery surfaces,
for example ifthe road surface isslippery on
one side. Inaddition, moredrivetorque is
trans ferred tothe wheel orwheels with
tract ion. Driving
safetysystems
63Safety 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

Res
ettingvalues Yo
ucan resetthe valuesof the followi ng
functi ons:
R Tri podo mete r
R Tri pcomp uter"Fro mstar t"
R Tri pcomp uter"Fro mres et"
X Pre ssthe = or; button onthe
stee ring wheel tosel ect the Trip menu
.
X Pre ssthe 9 or: button tosel ect the
functi onthat youwi sh tores et.
X Pre ssa. Re
setti ngthe trip comp uter"From start" (example)
X Pres s: tosel ect Yes and
pres sa
to confirm . Navig
ationsys tem menu
Di splay ingnavi gatio nins tructio ns In
the Navi menu
,the multifunction displa y
show snavi gationinstru ctions. Formore
inform ation,see theseparateope rating
instru ctions.
X Swi tch onCOM AND (seethe separate
ope ratinginstru ctions) .
X Pres sthe = or; button onthe
steer ingwhe elto sel ect the Navi menu
. Route
guidanc einac tive :
Directi onoftrave l
; Current road
Route guidanc eacti ve No
chan geofdirec tionanno unced :
Dista ncetothe destinati on
; Dista ncetothe next chang eof dir ectio n
= Current road
? Symb olfor "follow the road's cour se"
Chan geofdirec tionanno uncedwithout a
lane recommen dation :
Road into whichthe chang eof dir ectio n
lea ds
; Dista ncetochang eof dir ectio nand visual
di sta nce displ ay
= Sym bolfor cha nge ofdirecti on
Whe nach angeof directi onhasbee n
annou nced,youwi llsee visuald istanc e
display ;nex ttothe symbol forthe change
of direction =.Thisdecreases insize asyou
approach theannounced changeofdirection. 228
Menus
andsubmenusOn-board computer and displays

Tire
s Pro
blem Po
ssible cause s/consequ encesand M So
luti ons h
USA
only:
The yellow tire pressu re
moni torwarnin glamp
(p res sure loss/
ma lfunctio n)islit.
Ca nad aonl y:
The yellow tire pressu re
moni torwarnin glamp
(p res sure loss) islit. G
Ris
kofacciden t The
tirepres sure monitorh as det ectedaloss ofpres sure inat
least oneof thetir es.
X Stop theveh icle without makingany sudde nstee ring orbra king
ma neu vers.Pa yatte ntiontothe traffic conditionsasyou doso.
X Observe theadditional displaymessages inthe multifunct ion
display .
X Check thetire pressure. Ifnecessary, correctthe tire pressure
(Y page 359).
X Ifnecessary, changeawheel (Ypage 374). h
USA
only:
The yellow tirepressure
monit orwarning lamp
(pressure loss/
malfunct ion)flashes for
60 seconds andthen
remains lit. The
tirepressure monitorisfaulty.
X Observe theadditional displaymessages inthe multifunct ion
display .
X Visit aquali fiedspecialist workshop. G
WARNIN
G Each
tire,including thespare (ifprovided), shouldbecheck edatleast every twoweeks when
cold andinflated tothe pressure recommen dedbythe vehicle manufacturer onthe Tire and
Loading Information placard onthe driver's doorB-pillar or,ifavailab le,the tire pressure label
on the inside ofthe fuel filler flap.Ifyour vehicle hastires ofad iffer entsize than thesize indic ated
on the Tire andLoadin gInf ormat ionplacard orthe tirepress urelabel, youshould determin ethe
proper tirepress ureforthosetires.
As anadded safetyfeat ure, your vehic lehas been equipped withatir epress uremon itoring
syst em(TPMS )that illuminat esalow tirepress uretelltalewhen oneormore ofyour tires are
sign ifican tlyunder inflated. Accor dingly, whenthelow tirepress uretellt aleilluminat es,you should
sto pand chec kyour tires assoon aspossible, andinflate themtothe proper pressure. Driving
on asignificant lyunderinflated tirecauses thetire tooverheat andcanlead totire failure.
Underinf lationalsoreduces fuelefficienc yand tiretread life,and may affect thevehicle's handling
and stopping ability.PleasenotethattheTPMS isnot asubstitute forproper tiremainten ance,
and itis the driver's responsibility tomaintain correcttire press ure,even ifunder inflation has
not reach edthe level totrigger illuminat ionofthe TPMS lowtirepress uretelltale.
USA only:
Your vehic lehas also been equipped withaTPMS malfun ction indic atortoindic atewhen the
syst emisnot operat ingproper ly.The TPMS malfun ction indic atoriscom bined withthelow tire
press uretellt ale. When thesyst emdete ctsa malfun ction, thetellt alewill flash forapprox imately
1m inuteand thenremain continuously illuminated. Thissequence willberepeated everytime 280
War
ning andindicator lampsin theinstr ument clusterOn-board computer and displays

Useful
information
i This
Operat or'sManual describesall
models andallstan dard andoption al
equipment ofyour vehicle available atthe
time ofpublication ofthe Operat or's
Manual. Country-specificdiffer encesare
possible. Pleasenotethat your vehicle may
not beequipped withallfeature s
descr ibed. Thisalso applies tosafet y-
related systemsand func tions. i
Please
readtheinfor mation onqualified
specialist workshops(Ypage 25). Loading
guidelines G
WARN
ING Always
fastenitems being carriedas secur ely
as possi ble. Use cargotie-do wn rings and
fa ste ning materi alsap pro priate forthe weight
and size ofthe load .
In an acc ident, durin gh ard brak ingorsudden
man euver s,loos eite ms will bethrown aroun d
ins ide theveh icle.This can cause injuryto
vehicle occupants unlesstheitems are
securely fastened inthe vehicle.
To help avoid personal injuryduring acollision
or sudden maneuver, exercisecarewhen
transport ingcargo. Donot pile luggag eor
cargo higher thantheseat backrests.
The cargo compartmen tist he preferred place
to carry object s.Always usecargo tie-down
rings, andifso equipp ed,alwa ysuse thecargo
net when transport ingcargo.
Never driveavehicle withthetailgate open.
Deadly carbon monoxide (CO)gases may
enter vehicle interior resulting in
unconsc iousness anddeath.
The gross vehicle weight(GVW)isthe vehicle
weight including fuel,vehicle toolkit,spare
wheel, installed accessories, vehicle
occupants andlugga ge/cargo.
The gross loadlimit andthegross vehicle
weight rating(GVWR) foryour vehicle must never
beexceeded. Thegross loadlimit and
the GVWR arespecified onthe vehicle
identification plateonthe B-pillar ofthe
driver's door(Ypage 362).
The load must alsobedistributed sothat the
weight oneach axlenever exceeds thegross
axle weight rating(GAWR) forthe front and
rear axles. Thespecifications forGVWR and
GAWR areonthe vehicle identification plate
on the B-pillar ofthe driver's door
(Y page 362).
Further information canbefound inthe
"Loadi ngthe vehicle" section(Ypage 362).
The handling characterist icsofaladen
vehicle aredependent onthe distribution of
the load within thevehicle. Forthis reason,
you should observe thefollowing noteswhen
transport ingaload:
R position heavyloadsasfar forwards as
possible andaslow down inthe cargo
compartmen taspossible .
R the load must notprotrude abovetheupper
edge ofthe seat backrests.
R alwa ysplace theload againstthe rear or
front seatbackrests. Makesurethatthe
seat backrests aresecurely lockedinto
place.
R hook inthe cargo netwhen loading.
R alwa ysplace theload behind unoccupied
seats ifpossible .
R secure theload withsufficiently strongand
wear-resistant tiedown. padsharp edges
for protect ion. Stowage
areas Stowage
compartments
Importa ntsafety notes G
WARNING To
help avoid personal injuryduring acollision
or sudden maneuver, exercisecarewhen
storing objects inthe vehicle. Putlugga geor
cargo inthe cargo compartment ifpossible . 284
Stowage
areasStowing and features