mirror MERCEDES-BENZ M-Class 2012 W166 User Guide

inj
ury tothe head andneckint he event ofan
accident orsimilar situation.
Do not drive thevehicle without theseat head
restraint s.Head restraint sare intended to
help reduce injuries duringanaccident.
! Toavoid damage tothe seats andtheseat
heating, observethefollowing information :
R do not spill anyliqui dson the seats. If
liqui dis spilled onthe seats, drythem as
soon aspossible.
R ifthe seat covers aredamp orwet, donot
switch onthe seat heating. Theseat
heating shouldalsonottobe used todry
the seats.
R clean theseat covers asrecommen ded;
see the"Interior care"section.
R do not transport heavyloadsonthe
seats. Donot place sharp object son the
seat cushions, e.g.knives, nailsortools.
The seats should onlybeoccupied by
passengers, ifpossible.
R when theseat heating isin operation, do
not cover theseats withinsulating
materials, e.g.blankets, coats,bags,
seat covers, childseats orbooster seats.
! When youmove theseats, makesurethat
there arenoobject sin the footwell or
behind theseats. Otherwise, youcould
damage theseats andtheobject s.
! When therear bench seatisfolded
forwards, thefront seats cannot bemoved
to their rearmost position.Youcould
otherwise damagetheseats andtherear
bench seat.
! Make surethatthesun visor isfolded up
before adjusting thebackrest andhead
restraint height.Thehead restraint andsun
visor could otherwise collidewhenthehead
restraint isfully exten ded. i
It
is not possible toremove thehead
restraint sfrom thefront seats. Therear-
compartmen thead restraint scan be
removed (Ypage 98). Please
contactanauthorized Mercedes-
Benz Center formore information . i Other
topics:
R cargo compartmen tenlargement
(folding therear bench seatforwards)
(Y page 287) Adjust
ingthe seats electrically :
Head restraint height
; Seat cushion angle
= Seat height
? Seat fore-and- aftadjustment
A Backrest angle i
Vehicles
withmemory function:ifPRE-
SAF E®
has been triggered, thefront -
passenger seatwillbemoved toabetter
position ifit was previously inan
unfavorable position. i
You
canstore theseat settin gsusing the
memory function(Ypage 105). i
Vehicles
withmemory function:when the
seat ismoved forwards orrearwards, the
headrest ismoved upordown
automatically .96
SeatsSeats, steering wheel and mirrors

Adj
usting thehea dres train ts
Adj usting thehea dres train tsma nua lly Adj
usting thehea dres train theig ht
! The head restrain tsmus tonly berem oved
at aqu alifi ed spe cialist wo rksh op.
Mer cedes-B enzreco mme ndsthatyou use
a Mercedes-B enzCenter forthis purpose. X
To raise: pullthehead restraintuptothe
desired position.
X To lowe r:press release catch: inthe
direction ofthe arrow andpush thehead
restr aintdown tothe desired position.
Adjust ingthe fore/aft position ofthe
head restraint With
thisfunct ionyou can adjust thedistance
between thehead restraintandtheback of
the seat occupant 'shead.
X To adj ust forward s:pull thehead restraint
forwards inthe direction ofthe arrow until
it engages. There
areseveral notches.
X To adj ust rear wards: pressandhold the
release button:and push thehead
restr aintback.
X When thehead restraintisin the desired
position, releasethebutton andmake sure
that thehead restraintisengaged in
position.
Adjust ingthe head restraints
elec trically X
To adj ust the head restraintheight: slide
the switch forhead restraintadjustmen t
(Y page 96)upordown inthe direction of
the arrow.
Rear seathead restraints G
WARNIN
G For
safety reasons, alwaysdrive withtherear
head restraint sin the upright position when
the rear seats areoccupied.
Keep thearea around headrestraint sclear of
articles (e.g.clothin g)to not obstruct the
folding operation ofthe head restraint s. G
WARNIN
G For
your protect ion,drive onlywith properly
positioned headrestraint s.
Adjust thehead restraint insuch away that it
is as close tothe head aspossible andthe
cent erofthe head restraint supports theback
of the head ateye level. Thiswillreduce the
potent ialfor injury tothe head andneck inthe
event ofan accident orsimilar situation.
With arear seat occupied, makesuretomove
the respect ivehead restraint upfrom the
lowest non-useposition andhave the
occupant adjustthehead restraint properly.
Do not drive thevehicle without theseat head
restraint sinstalled whentherear seats are
occupied. Headrestraint sare inten dedto
help reduce injuries duringanaccident . Seats
97Seats, steering wheel and mirrors Z

Adj
usting therea rseat headres train t
heig ht X
Ifth ehead restraint isfully lower ed,itis
ne ces sary topre ssrele ase catch:.
X To raise: pullthehead restraint uptothe
desi redposi tion .
X To lower :pre ssrele ase catch: and push
th ehead restraint down untilit is in the
desi redposi tion .
Adj usting therea rseat headres train t
ang le
Ad jus tthe head restraint ssothat they areas
close aspossible toyour head.
You canonly adjust thetwo outer head
restr aints. X
Using bothhands, reachbackwards and
grasp thesides ofthe head restraint.
X Pull thelower edgeofthe head restraint
forwards orbackwards untilitis in the
desired position. Removing
andinstalling therear seat
head restraints X
To remove: pullthehead restraintupto
the stop.
X Press release catch: and pullthehead
restr aintoutofthe guides.
X To re-insta ll:insert thehead restraintso
that thenotches onthe bar areonthe left
when viewed inthe direction oftravel.
X Push thehead restraintdown untilyouhear
it engage inposition. Adjust
ingthe backrests inthe 2nd
row ofseats
You canadjust theangle ofthe backrest sin
the second rowofseats. Thereareten detent
positions tochoose from. 98
SeatsSeats, steering wheel and mirrors

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

otherwise
notfold inwhen youselect the
"Fold inmirrors whenlockin g"funct ioninthe
on-board computer (Ypage 237).
X Make surethattheSmart Keyisin
position 1in the ignition lock.
X Briefly pressbutton :.
Folding theexterior mirrorsinor out
aut omat ically If
the "Fold inmirrors whenlockin g"funct ion
is activated inthe on-board computer
(Y page 237):
R the exter iormirrors foldinautomatically as
soon asyou lock thevehicle fromthe
outside.
R the exter iormirrors foldoutagain
automatically assoon asyou unlock the
vehicle andthen open thedriver's orfront -
passenger door. i
The
mirrors donot fold outifthey have
been folded inmanually .
Exterior mirrorout ofposition If
an exter iormirror hasbeen pushed outof
position, proceedasfollows:
X Vehicles withoutelectrically folding
exterior mirrors: move theexter iormirror
into thecorrec tposition manually.
X Vehicles withelectrically folding
exterior mirrors: press andhold the
mirror- folding button(Ypage 103)untilyou
hear themirror engage inposition.
The mirror housing isengaged againand
you can adjust theexter iormirrors asusual
(Y page 103). Automa
ticanti-glar emirr ors G
WARNIN
G If
incident lightfrom headlamps isprevent ed
from strikingthe sensor inthe rear-view
mirror, forinstan ce,byluggage piledtoohigh in
the vehicle, themirror's automatic anti-
glare functionwill notoperate.
Inc ident lightcould thenblind you.Thismay
distract youfrom thetraffic conditionsand,
as aresult, youmay cause anaccident .
The rear-view mirrorandtheexter iormirror
on the driver's sideautomatically gointo anti-
glare mode ifthe ignition isswitched onand
incident lightfrom headlamps strikesthe
sensor inthe rear-view mirror.
The mirrors donot gointo anti-glare mode if
reverse gearisengaged orthe interior lighting
is switched on. Park
ingposition forthe exterior
mirr oron the front- passenger side
Setting andstoring theparking position You
canposition thefront -passenger side
exter iormirror insuch away that youcan see
the rear wheel onthat side assoon asyou
engage reverse gear.Youcanstore this
position. X
Make surethatthevehicle isstation aryand
that theSmart Keyisin position 2in the
ignition lock.
X En gage reverse gear.
The exter iormirror onthe front -passenger
side moves tothe preset parking position.
X Use adjustmen tbutton =toadjust the
exter iormirror toaposition thatallows you
to see therear wheel andthecurb.
The parking position isstored. 104
Mirr
orsSeats, 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