2012 MERCEDES-BENZ M-Class ignition

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

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

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). Sma
rtKey Impor
tant safet ynotes G
WARN
ING When
leaving thevehicle, alwaysremovethe
Smart Keyfrom theignit ionlock .Always take
the Smart Keywith youand lock thevehicle.
Do not leave children unsuperv isedinthe
vehicle, evenifthey aresecured inachild
rest raint system ,and donot give them acces s
to an unlock edvehicle. 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 If
akey ring istoo heavy ortoo large, the
weight actingonthe key could cause itto turn
in the ignition lockorcatch onthe steering
wheel. Thiscould cause theengine tobe
switched offsuddenly. Youcould losecontrol
of the vehicle andcause anaccident. Donot
attach anyheavy orlarge keyrings tothe key
that isinserted inthe ignition. General
notes
If you cannot lockorunlock thevehicle with
the SmartK ey,either thebattery inthe
SmartK eyisdischarged, theSmartK eyis
faulty orthe starter battery isdischarged.
X Check thebattery inthe SmartK eyand
replace itifnecessary (Ypage 76).
X Unlock thedriver's doorusing the
mechanical key(Ypage 80).
X Lock thevehicle usingthemechanical key
(Y page 80).
X Have thestarter battery andthebattery
cont acts check edataqual ified specialist
workshop.
If the SmartK eyisfaulty, contactRoadsi de
Assistanc eor aqual ified specialist workshop. Smar
tKeyfunctions
General notes 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. 72
Smar
tKeyOpening/closing

The
KEYLE SS-GO funct ionischanged as
follows:
X To unlock thedriver 'sdoor: touch the
inner surface ofthe door handle onthe
driver's door.
X To unlock centrally: touchtheinner
surface ofthe door handle onthe fron t-
passenger doororthe rear door.
X To lock centrally: touchtheouter sensor
surface onone ofthe door handles. Restoring
thefactor ysettings
X Press the% and& button s
simultaneously forapproximately six
seconds untilthebattery checklamp
flashes twice. Mechanical
key
General notes If
the vehicle cannolonger beunlocked with
the Smart Key,usethemechanic alkey.
If you usethemechanic alkey tounlock and
open thedriver's door,theanti- theft alarm
system willbetriggered (Ypage 68).
There areseveral waystoturn offthe alarm:
X To turnthe alarmoff with the
Smar tKey: pressthe% or& button
on the Smart Key.
or
X Insert theSmart Keyinto theignition lock.
or
X To deactivat ethe alarmwith KEYL ESS-
GO: press theStart/S topbutton inthe
ignition lock.TheSmart Keymust beinthe
vehicle.
or
X Lock orunlock thevehicle usingKEYLE SS-
GO. TheSmart Keymust beoutside the
vehicle. Removing
themechanical key X
Push release catch: inthe direction of
the arrow andatthe same time,remove
mechanic alkey ;from theSmart Key. Smar
tKeybattery
Impor tantsafety notes Have
thebatteries changedataquali fied
specialist workshop. G
WARNIN
G Batt
eries containtoxicsubstances .
Swallowing batteriescanlead toserious
health issues ordeath.
Keep batteries outofthe reach ofchildren.
Seek medical attentionimmediately ifa
battery isswallowed . G
WARNIN
G The
Smart Keybatteries containperchlorate
material, whichmayrequire specialhandling
and regard forthe environ ment.Observe
governm entdisposal guidelines. California
resident s,see www .dtsc.ca.gov/
Haza rdousW aste/Perchlora te/
index.cfm. Sma
rtKey
75Opening/closing Z

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

Unlocking
andopening doorsfrom
the inside
You canopen adoor from inside thevehicle
even ifit has been locked.You canonly open
the rear doors frominside thevehicle ifthey
are not secured bythe child- proof locks
(Y page 59).
Only open thedoor when thetrafficsituation
permit s.
If the vehicle waspreviously lockedwith the
Smar tKeyorwith KEYL ESS-GO, openin gthe
vehicle fromtheinside willactiv atethe anti-
thef talarm system .Switc hoff the alarm
(Y page 68). X
Pull door handle ;.
If the door islock ed,lock ingknob : pops
up. The door isunlock edand canbe
opened. Centra
llylocking andunlocking the
vehicle fromtheinside
You cancentrally lockorunlock thevehicle
from theinside.
The central lock ing/ unlock ingbutt ondoes
not lock orunlock thefuel filler flap.
The buttons arelocate don both frontdoors. i
You
cann otunlock thevehicle centrally
from theinside ifthe vehicle hasbeen
locked withtheSmart KeyorKEYLE SS-GO. i
It
is only possible tolock thevehicle
cent rally ifthe front -passenger dooris
closed. X
To unlock: pressbutton :.
X To lock: press button ;.
If all the doors andthetailgate areclosed,
the vehicle locks.
You canopen afront doorfrom inside the
vehicle evenifit has been locked. Onlyopen
the door when thetraffic situation permits.
If the vehicle hasbeen locked withthecent ral
lockin gbutton :
R and theSmart Keyisset toits factor y
sett ing, theentire vehicle isunlocked ifa
front doorisopened fromtheinside
R and theSmart Keyisset toan individual
sett ing, only thefront doorthatisopened
from inside thevehicle isunlocked.
If the vehicle hasbeen locked centrally with
the Smart Keyorwith KEYLE SS-GO, itis not
unlocked whentherelease buttonforthe
cent rallockin gis used. Automa
ticlocking feature
The vehicle locksautomatically whenthe
ignition isswitched onand thewheels ofthe
vehicle areturnin gat as peed ofmore than
9 mph (15km/ h).
You could therefore belock edout when:
R the vehicle isbeing pushed.
R the vehicle isbeing towed.
R the vehicle isbeing testedon a
dynamomet er. Doors
79Opening/closing Z

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

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