2012 MERCEDES-BENZ M-Class driver seat adjustment

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

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). Correct
driver's seatposition Observ
ethe safet yguidelines onseat
adjust ment(Ypage 95).
X Check whether youhave adjust edseat =
properly.
Elec tricalseat adjust ment(Ypage 96)
When adjustingthe seat, make sure:
R you areasfar away fromthedriver' sair
bag aspossible.
R you aresitting inanor mal upright
position .
R you can faste nthe seat beltproperly. R
you have moved thebackrest toan
almost vertical position.
R you have setthe seat cushion angleso
that your thighs aregently supported.
R you can depress thepedals properly.
X Check whether thehead restraint is
adjusted properly(Ypage 97).
When doingso,make surethatyouhave
adjusted thehead restraint sothat theback
of your head issupported ateye level by
the cent erofthe head restraint .Also mak e
sure thatthehead restraint 'sfor e/af t
posit ionisadjust edsothat thehead
rest raint isnot too farfromt heback ofyour
head.
Observe thesafety guidelinesonsteering
wheel adjustment (Ypage 100).
X Check whether steeringwheel:is
adjusted properly.
Adjustin gthe steering wheelmanually
(Y page 101)
Adjustin gthe steering wheelelectrically
(Y page 101)
When adjusting thesteering wheel,make
sure:
R you can hold thesteering wheelwithyour
arms slightly bent.
R you can move yourlegsfreely.
R you can seeallthe displa ysinthe
instrumen tcluste rclearly.
Obser vethe safet yguideline sfor seat belts
(Y page 49).
X Check whetheryou have fastened seat
belt ;proper ly(Y page 51).
The seat beltshould:
R fit snug lyacro ssyour body
R be rout edacro ssthe middle ofyour
shoulder
R be rout edinyour pelvic areaacrossthe
hip joints
X Bef ore start ing off,adjust therear- view
mirr orand theexterior mirrors 94
Corr
ectdriver' sseat posit ionSeats, steering wheel and mirrors

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

i
If
you shift thetransmission toanother
positio n,the exterior mirroronthe front-
passe ngersidereturns tothe driving
positio n. i
You
canalso store theparking position
using memory buttonM?.
X Make surethattheSmartKey isin
positio n2 in the ignition lock.
X With theexterior mirroronthe front-
passe ngersideactivated, use
adjus tment button =toadjus tthe
exterior mirrortoapositio nwhich
allow syou tosee therear wheel and
the curb.
X Press memory buttonM? and one of
the arrows onadjustment button=
within threeseconds.
The parking position isstored ifthe
exterior mirrordoesnotmove.
If the mirror moves outofposition, repeat
the steps.
Calling upastored parking position
setting X
Turn theSmartK eytoposition 2in the
ignition lock.
X Adjust theexterior mirroronthe front -
passenger sidewith thecorresponding
button (Ypage 103).
X Engage reverse gear.
The exterior mirroronthe front -passenger
side moves tothe stored parking position.
The exterior mirroronthe front -passenger
side moves backtoits original position:
R as soon asyou exceed aspeed of9m ph
(15 km/ h).
R about tensecon dsafter youhave
disengaged reversegear
R ifyou press button: for the exterior
mirror onthe driver' sside Memor
yfunct ion Stor
ingsett ings
With thememor yfunc tion,you can storeup
to thr ee differen tsett ings, e.g.forthree
differen tpeople.
The following settings arestor edasasingle
memory preset:
R position ofthe seat, backr estand head
rest raint
R driver's side:steeringwheel position
R driver's side:position ofthe exterior
mirror son the driver's andfront-passenger
sides G
WARN
ING Do
not activat ethe memory function while
driving. Activating thememory function while
driving couldcause thedriver tolose control
of the vehicle. X
Adj ust the seat (Ypage 96).
X On the driver's side,adjust thesteer ing
wheel (Ypage 101)and the exte riorm irro rs
(Y page 103).
X Press memo rybutt onMand one ofthe
st orage positionbutt ons 1,2or 3within
thr ee seco nds.
The settings are stored inthe selec ted
prese tposition. Atone sounds whenthe
sett ings have been completed. Memory
function
105Seats, steering wheel and mirrors Z