2012 MERCEDES-BENZ M-Class ignition

Using
theSma rtKey i
The
Smar tKeymust beclose tothe
driver' sdoor handle.
X Point thetipofthe Smar tKeyatthe driver' s
door handle.
X Press andhold the& buttonunt ilthe
side windows andthesliding sunrooforthe
panorama roofwith power tilt/sliding
panel arefully closed.
X Make surethatallthe side windows andthe
sliding sunroof orpanorama roofwith
power tilt/sliding panelareclosed.
On vehicles withapanorama roofwith power
tilt/sliding panel:
X Press andhold the& button againuntil
the roller sunblinds ofthe panorama roof
with power tilt/sliding panelclose.
X To interru ptconve nienceclosi ng:
release the& button.
Using KEYLESS-GO The
KEYLE SS-GO key must beoutside the
vehicle. Allthe doors mustbeclosed. X
Touch recessed sensorsurface :onthe
door handle untiltheside windows andthe
sliding sunroof orthe panorama roofwith
power tilt/sliding panelarefully closed. i
Make
sureyouonly touch recessed
sensor surface :.
X Make surethatallthe side windows andthe
sliding sunroof orpanorama roofwith
power tilt/sliding panelareclosed. On
vehicles withapanorama roofwith power
tilt/sliding panel:
X Touch recessed sensorsurface :onthe
door handle againuntiltheroller sunblinds
of the panorama roofwith power tilt/
sliding panelclose.
X To interru ptconve nienceclosi ng:
release recessed sensorsurface :onthe
door handle. Resetting
theside window s
If aside window cannolonger beclosed fully,
you must reset it.
X Close allthe doors.
X Turn theSmartK eytoposition 1or 2in the
ignition lock.
X Pull thecorresponding switchonthe door
cont rolpanel untiltheside window is
completely closed(Ypage 85).
X Hold theswitch foranadditional second.
If the side window opensagainslightly:
X Immediately pullthecorresponding switch
on the door controlpanel untiltheside
window iscompletely closed(Ypage 85).
X Hold theswitch foranadditional second.
X Ifthe corresponding sidewindow remains
closed afterthebutton hasbeen released,
the side window hasbeen reset correct ly.
If this isnot thecase, repeat thesteps
above again. Problems
withtheside window s
Problem: aside window cannotbeclosed
because itis blocked byobject s,e.g.
leaves inthewindow guide.
X Remove theobje cts.
X Close theside window.
Problem :asidewindow cannotbeclosed
and youcannot seethecause. Side
windows
87Opening/closing Z

Opera
tingthesliding sunroof
Opening andclosing i
You
cancontinue tooperate thesliding
sunroof afterswitchin goff the engin eor
removin gthe Smart Keyfrom theignition
lock. Thisfunctionisavailable foruptofive
minut esoruntil thedriver's orfron t-
passenger doorisopened. Overhead
control panel
: Toraise
; Toopen
= Toclose/lower
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X Press orpull the2 switch inthe
corr espondin gdirect ion. i
If
you press the2 switch beyond the
point ofresist ance, anautomatic opening/
closing process isstart edinthe
corr espondin gdirect ion.You canstop
automatic operationbyoperatin gthe
switch again.
When opening andraising theroof,
automatic operationisonly available ifthe
sliding sunroof isin the closed position .
The sunprotec tioncover automatic allyopens
along withthesliding sunroof .You can open
or close thesun protec tioncover manually
when thesliding sunroof israised orclosed. Resetting Reset
thesliding sunroof ifit does notmove
smoothly.
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X Raise thesliding sunroof fullyatthe rear
(Y page 89).
X Keep the2 switch pressed foranother
second.
X Make surethatthesliding sunroof canbe
fully opened andclosed again(Ypage 89).
X Ifthis isnot thecase, repeat thesteps
above again.
! Ifthe sliding sunroof stillcann otbe
opened orclosed fullyafter resett ing,
cont actaquali fiedspecialist workshop. Operat
ingthe panora maroof with
power tilt/sliding panel
Opening andclosin g Overhead
controlpanel
: Toraise
; Toopen
= Toclose/lower
The panorama roofwith power tilt/sliding
panel canonly beoperated whentheroller
sunblind isopen.
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X Push orpull the2 switch inthe
correspon dingdirection . Sliding
sunroof
89Opening/closing Z

i
If
you press the2 switch beyond the
point ofresistance, anautoma ticopening/
closing process isstarted inthe
corresponding direction.Youcanstop
automa ticopera tionbyopera tingthe
switch again.
When raisingthe roof, automa ticopera tion
is only availableifthe sliding sunroof isin
the closed position. Operating
thesunbli ndsforthe
panorama roofwith powe rtilt/slid ing
pa nel
Gener alnotes The
roller sunblin dsshield thevehic leint erior
from sunligh t.The two roller sunblin dscan
only beopen edand close dtog eth erwhen the
panor amaroofwith power tilt/slidin gpanel
is close d. G
WARN
ING When
extendin gthe roller sunblin ds,make
sure noone isin danger ofbeing injured by
the extendin gproc edure. Theextendin gof the
roller sunblin dscan beimmediat elyhalted by
releasin gthe switc h.
Opening andclosing Over
head control panel
: Toraise
; Toopen
= Toclose X
Turn theSmar tKey toposit ion1or 2in the
ignit ionlock .
X Press orpull the2 switchin the
cor respo ndingdirec tion. i
If
you press the2 switchbeyond the
point ofresist ance,an automat icopen ing/
closin gproc essisstar ted inthe
cor respon dingdirec tion.You can stop
automatic operationbyoperating the
switch again.
Resetting thepanora maroof with
power tilt/sliding panelandtheroller
sunblinds Reset
thepanorama roofwith power tilt/
sliding panelandtheroller sunblinds ifthe
panorama roofwith power tilt/sliding panel
or the roller sunblinds donot move smoothly.
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X Pull the2 switch repeatedly tothe point
of resistanc ein the direction ofarrow =
until thepanorama roofwith power tilt/
sliding panelisfully closed.
X Keep switch 2pulled foranadditional
second.
X Pull the2 switch repeatedly tothe point
of resistanc ein the direction ofarrow =
until theroller sunblinds arefully closed.
X Keep switch 2pulled foranadditional
second.
X Make surethatthepanorama roofwith
power tilt/sliding panel(Ypage 89)and the
roller sunblinds (Ypage 90)can befully
opened again.
X Ifthis isnot thecase, repeat thesteps
above again.
! Ifthe panorama roofwith power tilt/
sliding panelandtheroller sunblind cannot
be fully opened orclosed afterresett ing,
cont actaquali fiedspecialist workshop. 90
Sliding
sunroofOpening/closing

X
Pull theleft orright release lever;
upwards inthe direction ofthe arrow until
the relevant backrest :isfully released.
X Pull thebackrest :forwards inthe
direction ofthe arrow andallow itto
engage.
X Lean backfirmly against thebackrest :to
ensure itis engaged. Adju
sting thefour- waylumbar
supp ort
You canadjust thecont ourofthe fron tseat
backrest sindividually toprovide optimum
support foryour back. :
Toraise thebackrest contour
; Tosoften thebackrest contour
= Tolower thebackrest contour
? Toharden thebackrest contour Switching
theseat heating on/off
Switching on/off G
WARNIN
G Repeatedly
settingthe seat heating tolevel
3 may result inexcess iveseat temperat ures.
The health ofpassengers thathave limited
temperat uresensit ivityoralimited abilityto
react toexcess ivelyhightemperat uresmay
be affect edorthey mayeven suffer burn-lik e
injuries. Therefore, donot use seat heating
level 3repeatedly. The
three redindicator lampsinthe button
indicate theheating levelyouhave selected. i
If
the batter yvoltage istoo low, theseat
heating mayswitch off. Driver
'sand front-passen gerseat Rear-compart
mentseats
The system automatically switchesdown
from level3to level 2after approximately
eight minutes.
The system automatically switchesdown
from level2to level 1after approximately ten
minutes.
The system automatically switchesoff
approximately 35minutes afteritis set to
level 1.
X Make surethattheSmart Keyisin position
1 or 2in the ignition lock.
X To switch on:press button :repeatedly
until thedesired heating levelisset.
X To switch off:press button :repeatedly
until allthe indicator lampsgoout. Seats
99Seats, steering wheel and mirrors Z

Problems
withtheseat heating The
seat heating hasswitched off
prematurely orcannot beswitched on.The
vehicle's electrical systemvoltage istoo low
because toomany electrical consumers are
switched on.
X Switch offelectrical consumers whichyou
do not need, suchasthe rear window
defroster orinterior lighting. Switching
theseat ventilation on/off
Switching on/off The
three blueindicator lampsinthe buttons
indicate thevent ilation levelyouhave
selected. i
If
the battery voltage istoo low, theseat
vent ilation mayswitch off. X
Make surethattheSmartK eyisin position
2 in the ignition lock.
X To switch on:press button :repeatedly
until thedesired ventilation levelisset. i
You
canopen theside windows andthe
sliding sunroof usingthe"Convenience
opening" feature(Ypage 86).Theseat
vent ilation ofthe driver's seat
automatically switchestothe highest level.
X To switch off:press button :repeatedly
until allthe indicator lampsgoout. Problems
withtheseat ventilation The
seat ventilation hasswitched off
prematurely orcannot beswitched on.The
vehicle's electrical systemvoltage istoo low
because toomany electrical consumers are
switched on.
X Switch offelectrical consumers whichyou
do not need, suchasthe rear window
defroster orinterior lighting. Steering
wheel Import
antsafety notes G
WARNING Do
not adjust thesteering wheelwhiledriving.
Adjust ingthe steering wheelwhiledriving, or
driving without thesteering wheeladjustment
feature lockedcouldcause thedriver tolose
cont rolofthe vehicle.
The electrical steeringwheeladjustment
feature canbeoperated atany time.
Therefore, donot leave children unattended
in the vehicle, orwith access toan unlocked
vehicle. Achild's unsupervised accesstoa
vehicle couldresult inan accident and/or
serious personal injury. 100
Steering
wheelSeats, steering wheel and mirrors

Adj
usting thest eer ing wheel
ma nua lly :
Releas elev er
; Toadj ust thest eer ing whee lheig ht
= Toadj ust thest eer ing whee lpos ition
(fo re- and -aftadj ust men t)
X Push release lever: down comple tely.
The steer ing column isunl ocked.
X Ad jus tthe steering wheeltothe desired
position.
X Push release lever:upcompletely.
The steering columnislocked.
X Check ifthe steering columnislocked.
When doingso,trytopush thesteering
wheel upordown ortry tomove itin the
fore-and- aftdirection. Adjust
ingthe steering wheel
elec trically :
Toadjust thesteering wheelheight
; Toadjust thesteering wheelposition
(fore-and-aft adjustment) i Other
topics:
R EAS Y-ENTRY/EXI Tfeature
(Y page 102)
R Stor ingsettin gs(Ypage 105) Steering
wheelheating
Switching on/off X
Make surethattheSmartK eyisin position
2 in the ignition lock.
X To switch on/off: turnthelever inthe
direction ofarrow :or;.
Indicator lamp=lights uporgoes out.
Vehicles withoutKEYLESS-GO: when you
remove thekey from theignition lock,the
steering wheelheating isdeactivated.
Vehicles withKEYLE SS-GO: when youswitch
off the ignition andopen thedriver's door,the
steering wheelheating isdeactivated.
Problems withthesteering wheel
heating The
steering wheelheating hasswitched off
prematurely orcannot beswitched on.The
vehicle's electrical systemvoltage istoo low
because toomany electrical consumers are
switched on.
X Switch offelectrical consumers whichyou
do not need, suchasthe rear window
defroster orinterior lighting. Steering
wheel
101Seats, steering wheel and mirrors Z

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

Mirrors
Rear-view
mirror
Rear-view mirror(manual anti-glare) X
anti-gl aremode: flickanti-gla re
swi tch :forwa rdsorback. Exteri
ormirrors
Adjusting theexteri ormirrors G
WARNING Exercise
carewhen using the passenger-si de
exterior rearview mirror. Themirror surface
is convex (outward lycurved surfacefor a
wid erfiel dof view ).Objects inmirror are
closer thantheyappear. Checkyou rinteri or
rea rvie wmir ror and glance overyo ur
sho ulde rb efore changin glanes.
The exterior mirror sare automatic allyheated
if the rear window defrosterisswitched on
and theoutside temperatureislow. X
Make surethattheSmart Keyisin position
1 or 2in the ignition lock.
X Press button :for the left- hand exterior
mirror orbutton ;for the right- hand
ext erior mirror .
The indicat orlamp inthe corr espondin g
button lightsupinred.
The indicat orlamp goesoutagain after
some time.Youcanadjust theselect ed
mirror usingadjustm entbutton =aslong
as the indicat orlamp islit.
X Press adjustm entbutton =up, down, to
the right ortothe left until theexterior
mirror isset toaposition thatprovides you
with agood overview oftraff iccon ditions .
Folding theexterior mirrorsin or out
electrically X
Make surethattheSmart Keyisin position
1 or 2in the ignition lock.
X Briefly pressbutton :.
Bot hext erior mirror sfold inor out. i
Make
surethattheexterior mirror sare
alway sfolded outfully while thevehicle is
in motion ,as they mayother wisevibrate. i
If
you aredriving fasterthan
30 mph (47km/ h),you can nolonger fold
in the exterior mirror s.
Sett ingthe exterior mirrors If
the batter yhas been discon nectedor
complet elydischarged, theexterior mirror s
must bereset. Theexterior mirror swill Mirr
ors
103Seats, steering wheel and mirrors Z