start stop button MERCEDES-BENZ M-Class 2012 W166 Owner's Manual

H
Handbrake
see Parking brake
Hazard warninglamps ...................... 111
Headlamp cleani ngsyste m
Notes ............................................. 390
Headlamps
Addi ngfluidto clea ning system ..... 315
Cl eani ngsys tem (function) ............ 110
Foggi ngup ..................................... 113
see Automa tichea dlamp mode
Head restraints
Adjusting ......................................... 97
Adjusting (electrical ly). .................... 97
Adjusting (manual ly). ....................... 97
Adjusting (rear)................................ 97
Install ing/remo ving(rear)................ 98
Heatin g
see Clima tecontrol
High-b eamheadlamps
Cha nging bulbs.............................. 116
Displ aymessa ge............................ 251
Switchi ngAdap tiveHighb eam
Assist on/off ................................. 112
Switchi ngon/off ........................... 111
Hill start assist.................................. 142
HOLD function
Displ aymessa ge............................ 259
Function/notes ............................. 179
Hoo d
Cl osing .............. ............................ .313
Displ aymessa ge............................ 266
Openi ng......................................... 312
Hydroplan ing..................................... 161I
Immobi
lizer.......................................... 68
Indi cator lamps
see Warni ngand indicator lamps
Indi cators
see Turn signa ls
Ins ectp rote ction onthe radi ator.... 313
Ins trument cluster
Overvi ew.......................................... 29
Settings ......................................... 233
Warni ngand indicator lamps ........... 30Ins
trument cluster lighting ................ 29
Ins trument lighting
see Instrument clusterlighting
Inte rior lighting
Automa ticcontrol .......................... 113
Dela yedswi tch-off (on-boa rd
compu ter)...................................... 235
Emergency lighting ........................ 114
Manu alcontrol ............................ ...114
Overvi ew........................................ 113
Rea ding lamp ................................. 113
Setting thebrightness ofthe
amb ient lighting (on-boa rd
compu ter)...................................... 234
Setting thecolor ofthe amb ient
lig hting (on-boa rdcompu ter)......... 235
see Interior lighting J
Jack
Storage location ............................ 328
Using ............................................. 334
Jump starting (engi ne) ...................... 341 K
Ke
y
see SmartKey
KE YLESS -GO
Conve nience closingfeatu re............ 87
Displ aymessa ge............................ 267
Locking ............................................ 73
Start/Stop button.......................... 139
Starting theengine ........................ 141
Unlocking ................................... ...... 73
Ke yp osit ions
KE YLE SS-GO .................................. 139
SmartKey ....................................... 139
Ki ckdo wn
Driving tips.................................... 147
Kne ebag .............................................. 42 L
Lamps
see Warni ngand indicator lamps
Lane -chang eassi stant
see Blind SpotAssist In
dex
11

X
To rais e:slid ethe beltsa sh guideup wa rds .
The beltsa sh guide eng ages invario us
po sitio ns.
X To lowe r:pre ssand holdbe ltsa sh guide
rel ease :.
X Sli de the beltsa sh guide do wnw ards.
X Re leas ebe ltsa sh guide rel ease : and
ma kesure tha tthe belt sash guide has
engaged.
Releasing seatbelts X
Press release button?(Ypage51)and
guide belttongue ;back towards belt
sash guide :.
! Make surethattheseat beltisfully rolled
up. Otherwise, theseat beltorbelt tongue
will betrapped inthe door orinthe seat
mechanism. Thiscould damage thedoor,
the door trimpanel andtheseat belt.
Damaged seatbelts cannolonger fulfill
their protect ivefunct ionand must be
replaced. Consultanauthorized Mercedes-
Benz Center.
Belt warning forthe driver andfront
passenger Regardl
essofwhether thedriver andfront
passenger havefastened theirseatbelts
already ,the 7 seatbeltwarning lamp
lights upfor 6secon dsafter every engine
start .It then goes outifthe driver andthe
fron tpasse nger have fastened their seat
belt s.
If th edriv er'sseat beltisno tfast ened after
th een gin eis start ed, anaddit ionalwarn ing
to ne will soun d.The warn ingtone goes out
aft erappro ximatelysix sec onds oronce the
driv er'sseat beltisfast ened. If
th edriv eror fron tpasse nger have not
fast ened their seat beltafter6s econ dsand
the doors areclosed, the7 seatbelt
warning lamplights up.
R until thedriver orthe fron tpasse nger have
fast ened their seat belts
R ifaveh icle spee dof 15 mph (25km/h)is
ex cee ded once, awarn ingtone with
inc reas ingintensitysoun dsaddit ionally for
a max imum of60 sec onds orunt ilth edriv er
or fron tp asse nger have fastened their seat
belt s.
If th edriv eror fron tpasse ngerundo their seat
belt sdurin gth ejo urn ey, the7 seatbelt
warn inglamp lightsup and thewarn ingtone
soun dsagain .
The warn ingtone ceas eseve nifthe driver or
front passenger havestillnotfastened their
seat beltafter 60seconds. The7 seatbelt
warning lampstops flashing butcont inues to
be lit.
Once thevehicle isstationary, thewarning
tone isreactivated andthe7 seatbelt
warning lampstarts toflash again ifthe
vehicle speedexceeds 15mph(25 km/h)
once.
The 7 seatbeltwarning lamponlygoes
out if:
R both thedriver andthefront passenger
have fastened theirseatbelts.
or
R the vehicle isstationary andadoor isopen. i
For
more information onthe 7 seat
belt warning lamp,see"Warning and
indicator lampsinthe instrumen tcluster,
seat belt" (Ypage 269).
Emergency TensioningDevices,belt
force limiters The
front seatbelts andtheouter seatbelts
in the rear areequipp edwith ETDs andseat
belt force limiters.
The ETDs onthe driver's andfront -passenger
seat consist ofpyrotechnic beltbuckle Occ
upantsafety
53Safety Z

X
To acti vate /deacti vate :pre ssbutton :.
If ind icator lamp ;islit, op era tiono fthe
rear side windows isdeactivated.
Operation isonly possible usingthe
switches inthe driver's door.Ifindicator
lamp ;isoff, operation ispossible using
the switches inthe rear compartmen t. Panic
alarm X
To activate: press!button :for at
least onesecond.
An alarm sounds andtheexterior lighting
flashes.
X To deactivate: press!button :
again.
or
X Insert theSmartK eyinto theignition lock.
or
X Press theKEYLE SS-GO Start /Stopbutton.
The KEYLE SS-GO key must beinthe
vehicle. i
USA
only:
This device complies withPart15ofthe
FCC Rules. Operation issubject tothe
following twocondition s:
1. This device maynotcause harmful
interfer ence,and
2. this device mustaccept anyinterfer ence
received, includinginterferencethatmay
cause undesired operation.
Any unauthorized modificationtothis
device couldvoidtheuser's authority to
operate theequipment.
The product labelwithFCCIDand IC
certific ationnumber canbefound inthe
battery caseofthe SmartK ey. i
Canada
only:
This device complies withRSS-Gen of
Industry Canada.Operation issubjec tto
the followi ng two cond itions :
1. Thisde vice ma ynot causeinte rferenc e,
and
2. thi sde vice mu stacc eptany inte rference
rece ived,incl uding inte rference thatm ay
caus eunde sired oper ation.
An yunaut horizedmod ificatio ntothis
device couldvoidtheuser's authority to
operate theequipment.
The product labelwithFCCIDand IC
cert ification numbercanbefound inthe
battery caseofthe Smart Key. Driving
safetysystems Driving
safetysystems overview
In this section ,you willfind informat ionabout
the following drivingsafetysystems:
R ABS (Anti-lock BrakingSystem)
R BAS (Brake AssistSystem)
R BAS PLUS (Brake Assist System Plus*)
R ESP ®
(Electr onicStability Program)
R EBD (Electr onicBrake forceDistribution)
R AD APTIVE BRAKE 60
Driving
safetysystemsSafety

The
ftdete rrentlo ck ingsys tems Immo
bilizer
The imm obilize rprevents yourvehicle from
being startedwithout thecorr ectSmart Key.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. The
engin ecan bestart edbyanyone withavalid
Smart Keythat isleft inside thevehicle.
X To activa tewith theSma rtKey: remove
the Smart Keyfrom theignition lock.
X To activa tewith KEYLE SS-GO: switchthe
ignition offand open thedriver's door.
X To deactiva te:switch onthe ignition . i
The
immobilizer isalway sdeactivat ed
when youstart theengin e.
In the event thattheengin ecann otbe
start edwhen thestart erbatter yis fully
charged, theimmobilizer maybefaulty.
Contac tana uth orizedMer cedes- Benz
Cen tero rcall 1-80 0-FO R-M ERCed es(in
US A)or1-80 0-38 7-01 00 (inCanada) . ATA
(Anti-Thef tAlar msyst em)
Av isual andaudible alarmistriggere difthe
alarm systemisarmed andyouopen :
R adoor
R the vehic lewith themec hanic alkey
R the tailgat e
R the hood
The alarm isnot switc hedoff,even ifyou
clos ethe open doorthathastriggere dit, for
exam ple. i If
the alarm stays onfor mor ethan 30
seco nds,the emer gencycall system
mbrac e(USA only)orTEL EAI D (Canada
only) initiates acall tothe Custom er
Ass istanc eCent erautom atically. The
emer gencycall systeminitiates thecall
prov ided that:
R you have subsc ribedtothe mbrac e/
TEL EAI D serv ice.
R the mbrac e/TELEAID serv icehas been
act ivat edproper ly.
R the require dmobile phone,power supply
and GPS areavailable. X
To arm: lock thevehic lewith theSmartKey
or KEYLE SS-GO.
In dicat orlamp :flashes .The alarm
system isarmed afterapproximately 15
seconds.
X To deactivate: unlockthevehicle withthe
SmartK eyorKEYLE SS-GO.
X To stop thealarm usingtheSmar tKey:
insert theSmartK eyinto theignition lock.
The alarm isswitched off.
or
X Press the% or& button onthe
SmartK ey.
The alarm isswitched off. 68
Theft
deterr entlocking systemsSafety

X
To sto pthe alarm usingKE YLESS-GO :
gras pthe outsi dedoor handl e.The
SmartKey mustbeoutsi dethe vehi cle.
The alarm isswi tched off.
or
X Press theStart/Stop buttononthe
das hboa rd.The SmartKey mustbeinsid e
the vehi cle.
The alarm isswi tched off. Theft
deterrent locki ng syste ms
69Safety Z

chil
drenarearou nd.Tostop theclosing
procedu re,doone ofthe follo wing:
R Press orpul lthe remote tailgate opening/
closing switchonthe driver' sdoor.
R Press thetailgate closing switch.
R Press theKEYLESS-GO locking/closing
switch.
R Pul loutsid ehandl eon the tailgate.
R When noSmartKey isinserted inthe starter
switch (vehicleswith KEYLESS-GO: Make
sure thevehicl e'son-board electronics
have status 0):Press button Fonthe
SmartKey.
You canclose thetailgate automatical lyusi ng
the SmartKey, theclosi ngbutton 4
or the
locking button5
. Clo
sing button andlocking button(examp le:
vehicl ewith theEASY-PACK tailgateand KEYLESS-
GO)
X To clo se: press closingbutton :onthe
tail gate.
or
X Press andhold theF button onthe
SmartKey untilthetailgate closes .
X To clo seand locksimu ltaneously:
Press lockingbutt on; onthe tailgat e. i
Simult
aneously closingand lockingthe
tailgat eis only possible ifall doors areshut
and theSmar tKey islocat edinthe vicin ity
of the tailgat e. i
The
tailgat ecan only beopene dand
close dwith theSmar tKey ifther eis no
Smar tKey inthe ignit ionlock .
If the tailgat etouc hesanobjec twhile
closing, theclosing procedure is
interrupted andthetailgate reopens. i
If
you leave aKEYLE SS-GO key inthe
cargo compartmen t,the tailgate willnot
lock.
The tailgate isnot closed unlessa
KEYLE SS-GO key isdetect ed. Opening/c
losingautomatically from
inside G
WARNING Maintain
sightofthe area around therear of
the vehicle whileoperating thetailgate with
the door-mount edremote tailgate switch.
Monitor theopening procedure carefullyto
make surenoone isin danger ofbeing
injured.
To interrupt theopening procedure, pressor
pull thedoor-mount edremote tailgate switch.
When theSmartK eyisnot inserted inthe
starter switch(vehicles withKEYLES S-GO:
Make surethevehicle's on-board electronic s
have status 0):Press button Fonthe
SmartK ey. G
WARNING Maintain
sightofthe area around therear of
the vehicle whileoperating thetailgate with
the door-mount edremote tailgate switch.
Monitor theclosing procedure carefullyto
make surenoone isin danger ofbeing
injured.
To interrupt theclosing procedure, pressor
pull thedoor-mount edremote tailgate switch.
4 For vehicles withtheEAS Y-PACK tailgateonly.
5 For vehicles withtheEAS Y-PACK tailgateandKEYLES S-GOonly. Cargo
compar tment
83Opening/closing Z

The
switches onthe driver's doortake
precedenc e. i
The
side windows cannotbe operated
from therear when theoverride featurefor
the side windows isactivat ed(Ypage 59).
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X To open: pressthecorrespon dingswitch.
X To close: pullthecorrespon dingswitch. i
If
you press theswitch beyond thepoint
of resistanc e,an automatic opening/
closing process isstart edinthe
correspon dingdirection .You can stop
automatic operationbyoperating the
switch again. i
You
cancont inue tooperate theside
windows afteryouswitch offthe engine or
remove theSmart Key.Thisfunct ionis
availa bleforuptofive minutes oruntil the
driver's orfront -passenger doorisopened. Conveni
enceopening feature
You canvent ilate thevehicle beforeyoustart
driving. Todo this, thekey isused tocarry out
the following functionssimultaneously:
R unlock thevehicle
R open theside windows
R open thesliding sunroof orthe panorama
roof with power tilt/sliding panelandthe
roller sunblinds
R switch onthe seat ventilation forthe
driver's seat i
The
conv enienc eopening featurecan
only beoperated usingtheSmart Key.The
Smart Keymust beclose tothe driver's
door handle.
X Point thetipofthe Smart Keyatthe driver's
door handle.
X Press andhold the% button untilthe
side windows andthesliding sunroof orthe
panorama roofwith power tilt/sliding
panel areinthe desired position. If
the roller sunblinds ofthe panorama roof
with power tilt/sliding panelareclosed, the
roller sunblinds areopened first.
X Press andhold the% button againuntil
the panorama roofwith power tilt/sliding
panel isin the desired position.
X To interr uptconvenie nceopening:
release the% button . Conveni
enceclosin g
General notes When
youlock thevehicle, youcan
simultaneously:
R close theside windows
R close thesliding sunroof orthe panorama
roof with power tilt/sliding panel
On vehicles withapanorama roofwith power
tilt/ sliding panel,youcan then close the
roller sunblinds. G
WARNIN
G When
closing thedoor windows andthe
sliding sunroof orpanorama roofwith power
tilt/ sliding panel,makesurethatthere isno
danger ofanyone beingharmed bythe closing
procedure.
If potent ialdanger exists,proceed asfollows:
R Release the& button tostop theclosing
procedure. Toopen, pressandhold the
% button .To cont inue theclosing
procedure aftermaking surethatthere is
no danger ofanyone beingharmed bythe
closing procedure, pressandhold the
& button .
Vehicles withKEYLE SS-GO:
R Release thesensor surface onthe outside
door handle tostop theclosing procedure.
R Immediately pullonthe same outside door
handle andhold firmly. Thedoor windows
and thesliding sunroof orpanorama roof
with power tilt/sliding panelwillopen for
as long asthe door handle isheld butthe
door isnot opened. 86
Side
window sOpening/closing

EASY-EN
TRY/EXIT system
Imp ortant safety notes The
EASY- ENTRY/E XITfeat uremak esget ting
in and outofyour vehicle easier .
You canactivat eand deac tivate theEA SY-
EN TRY/E XITfeat ure intheon -bo ard
com pute r(Y page 236). G
WAR
NING You
must makesure noonecan become
tr apped orinjured bythem oving steering
wheel whentheeasy-entry/ex itfeature is
activated.
To stop steering wheelmovement doone of
the following:
R Move steering wheeladjustmen tstal k.
R Pre ssone ofthe mem orypositio nb uttons.
R Pre ssmem orybuttonM.
Do notleave childr enunat tend ed inthe
veh icle,or wit hacc ess toan unlo cked veh icle.
Childr encould open thedriv er'sdoor and
unin tent ion ally activat eth eeasy- entry/ex it
feat ure, whic hco uld result inan acc iden t
and /or serious person alinj ury. G
WAR
NING Let
thesyst emcomple tetheadj ust men t
pro ced ure before settingth ev ehicle in
motion .Allste erin gwheel adjustmentmust
be comple tedbef ore settingth eveh icle in
mot ion.Dr ivin goff withth est eer ing wheel
st ill adj ust ing could caus eth edriv erto lose
co ntrol oftheveh icle.
Posit ionofthest eeri ngwheel whenthe
EASY-EN TRY/EXIT feature isact ive The
steer ing wheel swingsupward swhen
you:
R remove theSmartK eyfrom theignition lock
R open thedriver's doorandKEYLE SS-GO is
in position 1
R open thedriver's doorandtheSmartK eyis
in position 0or 1in the ignition lock i
The
steering wheelonlymoves upwardsif
it has notalready reached theupper end
stop.
Position ofthe steering wheelfor
driving The
steering wheelismoved tothe last
selected positionwhen:
R the driver's doorisclosed.
R you insert theSmartK eyinto theignition
lock.
or
R you press theStart /Stopbutton onceon
vehicles withKEYLE SS-GO.
When youclose thedriver's doorwiththe
ignition switched on,the steering wheelis
also automatically movedtothe previously
set position.
The lastposition ofthe steering wheelis
stored whenyouswitch offthe ignition or
when youstore thesettin gwiththe memo ry
func tion (Ypage 105).
Cra sh-resp onsive EASY-EXIT feature If
the crash- respo nsiveEA SY- EXITfeat ure is
tr iggere din an acc ident ,the steerin gcolum n
will mov eupwards whenthedrive r'sdoor is
open ed.This occurs irres pectiveofthe
posit ionofthe SmartKey inthe ignit ionlock .
This makesiteasier toexit thevehic leand
resc uethe occupant s.
The crash- respo nsiveEA SY- EXITfeat ure is
only operat ionalifthe EASY- EXIT/E NTRY
feat ureisact ivat edinthe on-board computer . 102
Steer
ingwheelSeats, steering wheel and mirrors

Smar
tKeypositions
Smar tKey g
Toremove theSmartK ey
1 Power supply forsome consumers, such
as the windshield wipers
2 Ignition (powersupplyforallconsumers)
and drive position
3 Tostart theengine
As soon asthe ignition isswitched on,allthe
indicator lampsinthe instrumen tcluster light
up. Ifan indic atorlamp doesnotgoout after
the engineisstart ed orifit light sup while the
vehic leisin mot ion, see(Ypage 271).
If the SmartKey isin posit ion0in the ignit ion
lock foranext ende dperiod oftim e,itcan no
long erbe turned inthe ignit ionlock .The
steering isthen locked. Tounlock, remove the
SmartK eyand reinsert itinto theignition lock.
The steering islocked whenyouremove the
SmartK eyfrom theignition lock.
X Remove theSmartK eywhen theengine is
switched off.
The starter battery couldotherwise be
discharged.
If you cannot turntheSmartK eyinthe ignition
lock, thestarter battery maynotbecharged
sufficiently.
X Check thestarter battery andrecharge itif
necessary (Ypage 340).
or
X Jump-start thevehicle (Ypage 341). i
The
SmartK eycan beturned inthe
ignition lockeven ifit is not thecorrect
SmartK eyfor the vehicle. Theignition isnot
switched on.The engine cannot bestarted.
KEY LESS-GO General
informat ion
Vehicles withKEYLE SS-GO are equipp edwith
aS martKey featuringanintegrated KEYLESS-
GO function andadetacha bleStart/St op
button.
The Start/St opbutton mustbeinserted inthe
ignitio nlock andtheKEYLESS-GO keymust
be inthe vehicl e.
Pressi ngthe Start/St opbutton severaltimes
in successi oncorrespond sto the differe nt
SmartKey positions inthe ignitio nlock. This
is only thecase ifyou arenot depressing the
brake pedal.
If you depress thebrake pedalandpress the
Start /Stopbutton ,the engine starts
immediately.
The Start /Stopbutton canberemoved from
the ignition lock.Then, youcan insert the
Smart Keyinto theignition lock. i
You
donot have toremove theStart /Stop
button fromtheignition lockwhen you
leave thevehicle. However, youshould
alwa ystake theSmart Keywith youwhen
leaving thevehicle. Thevehicle canbe
start edwith theStart /Stopbutton andthe
electric alequipment canbeoperated while
the Smart Keyisin the vehicle. Driving
139Driving and parking Z

i
You
canstartthe engine without preglow
if the engine iswarm. i
You
canalso usethetouch-st artfunct ion.
To do this, turntheSmartK eytoposition 3
(Y page 139)andrelease itimmediately.
The engine thenstarts automatically .
Using KEYLESS-GO tostar tthe eng ine G
WARNING As
long asthe SmartKey isin you rvehicle, the
vehicle canbestart ed.Therefor e,never leave
children unattended inthe vehicle, asthey
could otherwiseacciden tallystart theengine.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. Do
not leave children unattended inthe vehicle,
or with access toan unlock edvehicle. A
child's unsupervised accesstoavehicle could
result inan acciden tand/o rserious personal
injury. i
The
Start/ Stop button canbeused to
start thevehicle without insertingthe
Smart Keyintothe ignition lock.TheStart/
St op button mustbeinsert edinto the
ignition lockandtheSmart Keymust bein
the vehicle.
X Depress thebrake pedalandkeep it
depressed.
X To star tag asolineeng ine:press the
Start/Stop button(Ypag e139) once.
The engine starts.
X To start adiesel engine: presstheStart/
St op butt on(Ypage 139)onc e.
Preglow isact ivated andtheengin estar ts. Pulling
away
Autom atic transm ission G
WARN
ING It
is danger oustoshift theautomat ic
tr ansm ission outofparkin gposition Por
neutral position Nifthe engine speedis higher
thanidlespeed. Ifyour footisnot firmly
on the brake pedal, thevehicle could
accelerate quicklyforward orinreverse. You
could losecontrolofthe vehicle andhit
someone orsomethin g.Only shiftintogear
when theengine isidling normally andwhen
your right footisfirmly onthe brake pedal. i
It
is only possible toshift thetrans mission
from position Pto the desired position if
you depress thebrake pedal. Onlythenis
the parking lockreleased. Ifyou donot
depress thebrake pedal, youcan move the
DIRECT SELECT lever buttheparking lock
remains engaged.
X Depress thebrake pedalandkeep it
depressed.
X Shift thetrans mission toposition Dor R
(Y page 144).
X Relea sethe brake pedal.
X Carefully depresstheaccelerator pedal.
The electric parking brake(Ypage 156)is
automatically released.
The redF (USAonly)or! (Canada
only) indicator lampinthe instr ument
cluster goesout. i
The
vehicle lockscentrally once youhave
pulled away.The locking knobsinthe doors
drop down.
You canopen thedoors fromtheinside at
any time.
You canalso deactivate theautomatic
locking feature(Ypage 235). i
Upshifts
takeplace athigher engine
speeds afteracold start. Thishelps the
catalytic convertertoreach itsoperating
temperature morequickly.
Pulling awaywithatra iler To
ensure thatyoudonot rollbackwards
when pullingaway onanuphill slope, engage
the electric parking brake. Driving
141Driving and parking Z