2012 MERCEDES-BENZ M-Class Owner's Manual

Useful
information........ .......... .......... 328
Wher ewill Ifind. ..? ........................... 328
Flat tire.............................................. 329
Bat tery............................................... 338
Jum p-starting .................................... 341
Towing andtow-st arting .................. 343
Fuses ........ .......... ................................ 345 327Breakdown assistance

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). Wher
ewill Ifind. ..? First
-aidkit
X Open thetailgate. X
Remove first-aid kit: from theparcel net. i
Check
theexpirat iondate onthe first -aid
kit atleast onceayear. Replace the
con tentsifnec essary, andreplace missing
con tents. Vehicle
toolkit
Not es The
vehicle toolkitcan befound inthe
stowage wellunder thecargo compar tment
floor. i
When
theyleave thefactory, vehicles
without a"Minispare" emergencyspare wheel
arenot equipped withthetools
needed tochan geawheel, suchasajack .
Countr y-specificdiffer encesare possible.
Some toolsforchan gingawheel are
specific tothe vehicle. Youcanobtain tools
that areapproved foruse onyour vehicle
at aqual ified specialist workshop, e.g.an
authorized Mercedes-Ben zCent er.
Vehicles withaTIREFIT kit X
Lif tth etrunk floor up (Ypage 292). :
Lug wren ch
; Jack
= Tiresealan tfiller bottle
? Align mentbolt
A Tire inflation compressor
B Folding wheelchock
C Warning triangle
D Ratchet wrench
E Towing eye
Vehicles witha"Mini spare" emerge ncy
spare wheel X
Lift the trunk floorup(Y pag e292).
X Remo vethe "Minispa re"emerge ncyspare
whee l(Y pag e329). 328
Where
willIfind...?Breakdown assistance

Exam
ple: veh icles with AIR MATI Cand trailer tow
hi tch
: Folding wheelcho ck
; Lugwre nch
= Alignme ntbolt
? Ballcou pling ofthe trailert ow hitch
A Towing eye
B Jack
C Ratchet wrench "Minispar
e"emergency sparewheel
The "Minispare" emergencyspare wheel can
be found inthe stowage wellunder thetrunk
floor.
X Lift the trunk floorup(Ypage 292). Example:
vehicleswithoutlockable trunkfloor X
Vehicles withtrailer towhitch: remove
the ball coupling stowagetray.
X Turn emergenc yspare wheel retainer ;
count erclock wiseandremove it.
X Remove "Minispare" emergencyspare
wheel :. Vehicles
withlockable trunkfloor
X Remove thecontentsof sto wage tray ;.
X Turn thecentral ret ainin gscr ew insto wage
tr ay ; and "Minispar e"emerg encyspare
wheel :count ercloc kwise andremov eit.
X Remove stowage well;.
X Vehicles withtrailer towhitch: remove
the ball coupling stowagetray.
X Remove "Minispare" emergencyspare
wheel :.
For further infor mation onchang ingawheel
and mount ingthe spare wheel, see
(Y page 329). Flat
tire Prep
aring the vehicle
Your vehicle maybeequipped with:
R TIREF ITkit 24
R a"Minispare" emergencyspare wheel
R MOEx tended tires (tires withrun-flat
propert ies)(Ypage 338) i
Vehicle
preparation isnot necessary on
vehicles withMOEx tended tires .
24 Canada only. Flat
tire
329Breakdown assistance

i
Vehicles
equipped withMOExt endedtires
are not equi pped withaTIREFIT kitatthe
factory. Itis therefore recommended that
you addi tionally equipyou rvehicle witha
TIREF ITkit ifyou mount tiresthatdonot
feature run-flatpropert ies,e.g. winter tires.
A TIREF ITkit can beobtained froman
authoriz edMercedes- BenzCenter .
X Make surethathighway levelis
select ed25
(Y page 180).
X Stop the vehicle onsolid, non-slippery and
level ground, asfar away aspossible from
traff ic.
X Switc hon the hazard warning lamps.
X En gage theelectr icparkin gbrake manually
(Y page 156).
X Brin gthe fron twheels intothestraight-
ahead position.
X Move theDIRECT SELECT lever toP.
X Switch offthe engine.
X Vehicles withoutKEYLESS-GO: remove
the SmartK eyfrom theignition lock.
X Vehicles withKEYLESS-GO: openthe
driver's door.
The on-board electronic shave status 0,
which isthe same asthe SmartK eyhaving
been removed.
X Vehicles withKEYLESS-GO: removethe
Start /Stopbutton fromtheignition lock
(Y page 139).
X All occupants mustgetout ofthe vehicle.
Make surethatthey arenot endangered as
they doso.
X Make surethatnoone isnear thedanger
area while awheel isbeing changed.
Anyone whoisnot directly assisting inthe
wheel change should,forexample, stand
behind thebarrier.
X Get outofthe vehicle. Payattent ionto
traffic condition swhen doing so.
X Close thedriver's door.
X Unload heavyluggage. i
Only
operate thetire inflation compressor
using a12 Vsocket (Ypage 297), evenif
the ignition isturned off.
An emergency cut-offensures thattheon-
board electrical systemvoltage doesnot
drop toolow. Ifthe on-board electrical
system voltage istoo low, power tothe
socket sis automatically cutoff. This
ensures thatthere issufficient powerto
start theengine. TIREFIT
kit
Using theTIREFIT kit You
canusetheTIREFIT kittoseal small
punctures, particularly thoseinthe tire tread.
You canuseTIREFIT atoutside temperatures
down toÒ4 ‡(Ò20 †). G
WARNING TIREFIT
isalimited repairdevice. TIREFIT
cannot beused forcuts orpunctures larger
than approximately 0.16in(4 mm) andtire
damage causedbydriving withextrem elylow
tire inflation pressure, oron aflat tire, ora
damaged wheel.
Do not drive thevehicle undersuch
circumstan ces.
Contact thenearest authorized Mercedes-
Benz Center forassistance orcall Roadsi de
Assistanc e.
X Do not remove anyforeign objectswhich
have penetrated thetire, e.g.screws or
nails.
X Remove thetire seala ntbottle, the
accompanying "max.80km/h" stickerand
the tire inflation compressor fromthe
stowage wellunderneath thecargo
compartmen tfloor (Ypage 328).
25 Vehicles withtheAIRMATIC package. 330
Flat
tireBreakdown assistance

X
Affi xpa rt: ofthe sticker withi nthe
dri ver 'sfie ldof vis ion.
X Affi xpa rt; ofthe sticker nearthe valve
on the wheelwi th the defecti vetire . G
WA
RNING Ta
ke car enot toallo w the conte ntsofTIR EFIT
to come inconta ctwith hair, eyes orclo thing.
TIR EFIT isha rmfu lif inh aled ,sw allo we dor
ab sor bedthro ughthe skin-c auses skin, eye
and respirat oryirritat ion.
An ycon tactwith eyes orskin should be
flushed immediatelywithplent yof water .
If clot hing comesincon tactwith TIREFIT,
chan geclot hing assoon aspossible .
In case ofallergic reactionorrash, consult a
physician immediately. G
WARN
ING Keep
TIREFITaway fromchildr en.If
swallowed, rinse mout himmed iatelywith
plent yof water anddrinkplent yof water .
Do not induc evomit ing.
Consult adoct orimmed iately.
Keep away fromo pen flame orheat source. i
If
TIREF ITleaks out,allow itto dry. Itcan
then beremov edlike alayer offilm.
If you getTIREF ITon your clothing, haveit
cleaned assoon aspossible with
perchlor oethylene . X
Pull connector?with thecable andhose
A out ofthe housing.
X Scr ew hose Aontoflange Boftire
sealant bottle:.
X Inser ttire sealant bottle: upside down
int oopen ing;onthe tireinf lation
com press or. X
Remove thecap fromvalve Conthe
defec tivetir e.
X Sc rew filler hose Dontovalve C.
X Insert plug ?intothe 12Vsoc ket
(Y page 297).
X Turn theSmartKey toposit ion
1 (Y page 139)in the ignit ionlock .
X Press on/offswitc h= onthe tireinf lation
com press ortoI.
The tireinf lation compress orisswitc hed
on. The tireis inf lated. i
Firs
t,TIRE FITispumped intothe tire. The
press urecan brief lyrise toapprox imately
500 kPa(5bar/7 3psi). Flat
tire
331Breakdown assistance Z

Do
not swit choff thetire inflation
com pressor during this ph ase.
X Allow thetire inflat ion compr essortorun
fo rf ive min utes. Thetireshould thenhave
att aine dapres sure ofat least 180k Pa
(1.8 bar/26 psi).
! Donot operate thetire inflation
compress orfor longer thaneight minutes
at atime without abreak. Itmay otherwise
overheat.
The tireinflation compress orcan be
operated againonceithas cooled down.
If apressure of180 kPa(1.8 bar/26 psi)has
been achieved afterfiveminutes, see
(Y page 332).
If apressure of180 kPa(1.8 bar/26 psi)has
not been achieved afterfiveminutes, see
(Y page 332).
Tire pressure ofat least 180kPa
(1.8 bar/26 psi)isnot reached If,
after fiveminutes, apressure of180 kPa
(1.8 bar/26 psi)hasnotbeen achieved:
X Switc hoff the tire inflation compress or.
X Unsc rewthefiller hose fromthevalve of
the faulty tire.
X Very slowly driveforwards orreverse
approximately 30ft(10 m).
X Pump upthe tire again. G
WARNIN
G If
after fiveminutes apressu reof180 kPa
(1.8 bar/26 psi)cannot beachie ved,thetire
is too badlydama gedtobe repa iredreliably
usi ng TIREFIT.
In this case TIREFIT cannotsealthetire
prope rly.
Do not drive anyfurther.
Contact thenearest authorized Mercede s-
Benz Center forassi stance orcall Roadsid e
Assistance. Tire
pressure of180 kPa(1.8 bar/
26 psi) isreache d X
Switch offthe tire infla tion compresso r.
X Unscrew thefiller hose fromthevalve of
the faultytire.
! After use,excess TIREFIT mayrunoutof
the filler hose. Thiscouldcaus estains.
Therefo re,placethe filler hose inthe plastic
bag whichcontained theTIREFIT kit.
X Stow thetire seal antbottle andthetire
infla tion compresso r.
X Pull away immediately . G
WARNING Do
not exceed avehicl espee dof 50 mph
(80 km/h). ATIREFIT repairisnot designed to
operate athigher speeds.
The sticker mustbeattached onthe
instrument clusterwhereitwill beeasil yseen
by the driver.
Vehicle handling characteristics ofaTIREFIT
repaired tiremay change. Adaptyourdriving
accordingly.
X Stop after driving forapproximately ten
minutes andcheck thetire pressure with
the tire inflation compressor. G
WARNING If
tire inflation pressure hasfallen below
130 kPa(1.3 bar/26 psi)donot cont inue to
drive thevehicle.
Park yourvehicle safelyawayfrom the
roadwa yand cont actthe nearest authorized
Mercedes-Benz CenterorRoad side
Assistance.
Have thedamaged tirereplaced.
X Correct thetire pressure ifit is at least
130 kPa(1.3 bar/20 psi)(fortherequired
value s,see theTire andLoading
Information placardonthe driver's side
B-pillar orthe tire pressure tableinside the
fuel filler flap). 332
Flat
tireBreakdown assistance

X
To incre ase thetire pres sure :sw itch on
the tire inflation comp ressor . E
Pressu rerelease button
F Pressu regaug e
X To reduc ethe tire pres sure :pre ss
pre ssu rerelease button Eonthe filler
hos e.
X Stow thetire sealant bottle and thetire
infl ation comp ressor .
X Driv eto the nearestworkshop andhave the
tire changed there.
X Have thetire sealant bottlereplaced as
soon aspossible ataquali fiedspecialist
workshop, e.g.atan authorized Mercedes-
Benz Center. H
Environmental
note Have
theused tiresealant bottledisposed of
professionally, e.g.atan authorized
Mercedes-B enzCenter.
X Have thetire sealant bottlereplaced every
four years ataquali fiedspecialist
workshop, e.g.anauthorized Mercedes-
Benz Center. Changing
awhee land mountin gthe
spare wheel
Preparing thevehi cle G
WARNING The
wheeland tiresize ofthe emerge ncy
spa rewhe el/sp arewhe elmay differtothat of
the damaged wheel.Whenusingan
emergenc yspare wheel/spare wheelthe
handling character isticsofthe vehicle may
change.
Adapt yourstyle ofdriving accordingly.
Never operate thevehicle withmore thanone
emergenc yspare wheel/spare wheelthat
differs insize.
Only useanemergenc yspare wheel/spare
wheel ofadiffering sizebriefly anddonot
switch offESP ®
.
When usinganemergenc yspare wheel, you
must notexceed themaximum speedof
50 mph (80km/ h). G
WARNING Have
theemergenc yspare wheel/spare
wheel replaced withanew wheel assoon as
possible ataquali fiedspecialist workshop
which hasthenecessary specialistknowledge
and tools tocarry outthework required.
Mercedes-B enzrecommen dsthat youusean
authorized Mercedes-B enzCenter forthis
purpose. Inparticular, workrelevant tosafety
or on safety-related systemsmustbecarried
out ataquali fiedspecialist workshop. i
Vehicles
withoutaspare wheel/
emergenc yspare wheel arenot equipped
with atire-c hange toolkitatthe factor y.For
more informat iononwhich toolsare
required toperform awheel change onyour
vehicle, e.g.wheel chock,lug wrench or
alignment bolt,consult anauthorized
Mercedes-B enzCenter. Flat
tire
333Breakdown assistance Z

X
Prepare thevehicle asdescribed
(Y page 329).
X Ifatrailer iscoupled tothe vehicle,
uncouple it.
X Remove thefollowing items(depending on
the vehicle's equipment) fromthestowage
well under thetrun kfloor:
R the emer gencyspare wheel26
R the lugwren ch
R the foldin gwheel chock
R the jack
R the ratchet wrench
R the alignm entbolt
X Sec ure thevehic leto prev entitfro mr olling
away .
Securing thevehicle toprevent itfrom
rolling away G
WARNIN
G Only
jackupthe vehicle onlevel ground oron
slight inclines/ declines. Thevehicle could
otherwise falloffthe jack andinjure youor
others.
If your vehicle isequipped withawheel chock,
it can befound inthe vehicle toolkit
(Y page 328).
The folding wheelchock isan additional
securing measure toprevent thevehicle from
rolling away,for example whenchanging a
wheel. X
Fold both plates upwards :.
X Fold outlower plate;.
X Guide thelugs onthe lower platefullyinto
the openings inbase plate =. Securing
thevehicle onlevel ground
X On level ground: placechock sor other
suitable itemsunder thefront andrear of
the wheel thatisdiagonally oppositethe
wheel youwish tochange. Securing
thevehicle onslight downhill gradients
X On downhill gradients: placechock sor
other suitable itemsinfront ofthe wheels
of the front andrear axle.
Raising thevehicle G
WARNIN
G When
jackingupthe vehicle, onlyusethejack
which hasbeen specifically approvedby
Mercedes-B enzforyour vehicle.
The jack isdesigned exclusively forjack ingup
the vehicle atthe jack ingpoints builtintoboth
26 Vehicles withanemergenc yspare wheel. 334
Flat
tireBreakdown assistance