window MERCEDES-BENZ M-Class 2012 W166 Owner's Manual

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In this Operator's Manual, you will find the
following symbols:GWARNING
Warning notes draw your attention to hazards
that endanger your health or life, or the health
or life of others.
! These warning notes draw your attention
to hazards that could cause damage to your
vehicle.
i This symbol indicates useful instructions
or further information that could be helpful
to you.XThis symbol designates an
instruction you must follow.XSeveral consecutive symbols
indicate an instruction with several
steps.Y PageThis symbol tells you where you
can find further information on a
topic.YYThis symbol indicates a warning or
an instruction that is continued on
the next page.DisplayThis font indicates a display
message in the multifunction
display/COMAND display.
Parts of the software in the vehicle are
subject to copyright according to ©
2005
The FreeType Project
http://www.freetype.org. All rights
reserved.

Break
down
see Flattire
see Towing away
Bu lbs
see Changin gbulbs C
Califor
nia
Impo rtant notice forretail
cust omer sand lesse es.................... 22
Call ingupamalfunc tion
see Displ aymessa ges
Capac ities
see Techni caldata
Car
see Vehi cle
Care
Carpets .......................................... 325
Ca rwa sh ....... .............. .............. ..... 318
Displ ay........................................... 323
Exterior lights ................................ 322
Gea rorselecto rlever .................... 324
Matte finish................................... 320
Nigh tView AssistPlus ................... 323
Notes ............................................. 318
Pai nt.............................................. 320
Pla stic trim .................................... 323
Pow erwa sher ................................ 319
Rea rview came ra.......................... 322
Roo flini ng ....... ............................ ...325
Seat belt........................................ 324
Seat cover ..................................... 324
Sensors ......................................... 322
Steering wheel............................... 324
Trim pieces .................................... 324
Was hing byhand ........................... 319
Whee ls........................................... 320
Windo ws........................................ 321
Wip erbla des .................................. 321
Wood entrim .................................. 324
Cargo compartm entcover ............... 289
Cargo compartm entenlargemen t... 287
Cargo compartm entfloor
Openi ng/closi ng............................ 292
Stowag ewell(under) ..................... 292Cargo
net
Attaching ....................................... 290
Importa ntsafe tyinforma tion......... 290
Cargo tiedow nrings ......................... 288
Car wash (care) ................................. 318
CD player/ CDchang er(on-bo ard
co mputer) .......................................... 230
Ce llphone
see Mobi lephone
Ce nter conso le
Lowe rsect ion .................................. 33
Uppe rsect ion .................................. 32
Ce ntral locking
Automa ticlocking (on-board
compu ter)...................................... 235
Locking/u nlocking(SmartKe y)........ 72
Chang ingbulb s
Brake lamps ................................... 117
High-b eamheadlamps ................... 116
Importa ntsafe tynotes .................. 114
Low-b eamheadlamps .................... 116
Overvi ewofbul btypes .................. 115
Parki nglamps ................................ 116
Rem oving/re placing thecover
(front wheelarch) .......................... 115
Side marker lamps ......................... 117
Standing lamps (front) ................... 116
Chi ld-proof locks
Importa ntsafe tynotes .................... 59
Rea rdoors ....................................... 59
Chi ldren
In the vehi cle................................... 54
Res traint systems ............................ 54
Chi ldseat
LATCH-typ e(ISOFIX) childsea t
anchors .................................... ...... .. 57
Specia lseat belt retractor ............... 56
Top Tether ....................................... 58
Ci garette lighter ................................ 296
Cl eani ng
Trai lertow hitch ............................. 322
Cli mate control
3-zone automatic climatecontrol ..126
Control lingautomatica lly............... 129
Coo ling with aird ehumidification ..128
Defrosting thewindows ................. 132
Defrosting thewindshi eld.............. 131 6
In
dex

Dua
l-zoneautoma ticclima te
contro l........................................... 123
Importa ntsafe tynotes .................. 122
Indica torlamp ....... .........................129
Maxi mum cooling.......................... 132
Notes onusing automatic climate
control ................................... 125,128
Overvi ewofsys tems ...................... 122
Prob lems with cooli ngwith air
dehu midificati on............................ 129
Prob lemwith the rear window
defro ster........................................ 133
Rea rcont rolpanel ......................... 126
Ref rige rant ..................................... 389
Setting theaird istribut ion............. 130
Setting theairflow ......................... 131
Setting theairv ent s...................... 134
Setting theclima temode (AIR
FLOW) ............................................ 129
Setting thetempera ture................ 130
Setting thetempera ture(rear
compa rtment) ................................ 130
Switchi ngair-recircu lation mode
on/off ............................................ 133
Switchi ngon/off ........................... 128
Switchi ngresi dua lhea ton/off ......133
Switchi ngthe rear window
hea ting on/off ............................... 132
Switchi ngthe ZONE function on/
off .................................................. 131
Co athoo ks......................................... 290
Co ckpit
Overvi ew.......................................... 28
see Instrument cluster
COMA ND
see sepa rateoperating instructio ns
Co mbinati onswi tch .......................... 111
Co mbine dcargo cover and net........ 289
Co mpass
Ca lling up ....... ..................... ...........308
Co nsumptio nstatistic s(o n-bo ard
co mputer) .......................................... 227
Co nve nience closi ng feature .............. 86
Co nve nience open ingfeature ............ 86
Co olan t(engine)
Chec kingthe level ......................... 315
Displ aymessa ge............................ 254
Notes ............................................. 389Temp
eraturegau ge....... .................222
Warni nglamp ....... ..................... ..... 277
Co oling
see Clima tecontrol
Co rnerin glig ht func tion
Displ aymessa ge............................ 250
Crash-res ponsiveemerge ncy
lig hting ............................................... 114
Cruis eco ntrol
Activating .............. .........................168
Activatio ncondition s..................... 168
Cru isecontrol lever....................... 168
Deactiva ting....... ....... ..................... 169
Displ aymessa ge............................ 263
Driving system ............................... 167
Function/notes ............................. 167
Importa ntsafe tynotes .................. 167
Setting aspeed .............................. 168
Cup holder
Cente rconsole .............................. 294
Importa ntsafe tynotes .................. 293
Rea rcompartmen t......................... 295
Temp eraturecontrolle d................. 294
Custo merAssistanc eCe nter (CAC )... 25
Custo merRelati onsDepartment .......25 D
Dash
board
see Cockpi t
Data
see Techni caldata
Dayti merunnin glamps
Displ aymessa ge............................ 253
Switchi ngon/off (on-boa rd
compu ter)...................................... 234
Switchi ngon/off (switch) .............. 109
DE F
Adding ........................................... 152
Displ aymessa ge............................ 257
De laye dswit ch-off
Ex terio rlight ing(on- board
com puter )...................................... 235
Interior lighting .............................. 235
Di ese lparticle filter.......................... 159
Di gital speedometer ......................... 227
DI RECT SELECTlever
see Automat ictransm ission Index
7

Trip
menu ...................................... 227
Vehi clesub menu ........................... 235
On-b oard diagn osticsinte rface ..........24
Open ingand closi ng the side trim
panel s................................................. 117
Operatin gsafety
On-boa rddia gnostics interface........ 24
Operatin gsyste m
see On-boa rdcompu ter
Outside temperature display........... 223
Ove rhead control panel ...................... 34
Ove rride feature
Rea rside windows ........................... 59P
Pain
tcode num ber............................ 381
Pain twork (clean inginstruction s)... 320
Pani calarm .......................................... 60
Pano rama roofwith pow ertilt/
sli ding panel
Openi ng/closi ng.............................. 89
Openi ng/closi ngthe roller
sunbl ind........................................... 90
Prob lem(malfunction) ..................... 91
Res etting ......................................... 90
Pano rama sliding sunroo f
Importa ntsafe tynotes .................... 88
Parce lnet ........................................... 286
Parking ............................................... 155
Importa ntsafe tynotes .................. 155
Posi tion ofexterio rmirror, front-
pas senger side....... ........................104
Rea rview came ra.......................... 190
see PARKT RONIC
Parking aid
Active ParkingAssist ..................... 186
see Exterior mirrors
see PARKT RONIC
Parking brake
Displ aymessa ge............................ 241
Electric parking brake.................... 156
Parking lamps(changi ngbulb s)...... 116
PARK TRONIC
Deactiva ting/activa ting................. 185
Driving system ............................... 183
Function/notes ............................. 183
Prob lem(malfunction) ................... 186Ra
nge ofthe sensors ..................... 183
Trai lertowi ng................................. 185
Warni ngdispla y............................. 184
PAS SENGE RAIRBAG OFFindicat or
lam p................................. .....................44
Ped als.................. .................. .............1 58
Permane ntfour-w heeldrive
see 4MATIC (permanent four-
whe eldrive )
Plas tictrim (clean inginstruction s).3 23
Pow erwashe rs.................................. 319
Pow erwindow s
see Side windows
PRE-SA FE®
(Pre ventive occupant
safety system)
Displ aymessa ge............................ 245
Opera tion.................. .................. .....4 9
PRE-SAFE ®
Bra ke(vehicl eswith
DISTRONIC PLUS)
Display message ............................ 245
Function/notes ................................65
Switchi ngon/off ........................... 232
Warni nglamp ....... ..................... ..... 279
Preve ntiveoccupant safety
syste m
see PRE-SAFE ®
(Pre ventive
occup antsafe tysys tem)
Produc tinfo rmation ............................ 21
Pull ingaway
Automa tictransmis sion................. 141
Trai ler............................................ 141 Q
Quali
fieds pec ialistw ork shop ........... 25 R
Radar
sensor syste m
Activating/d eactivating ................. 236
Displ aymessa ge............................ 259
Radiator cover ................................... 313
Radio Sele cting astati on......................... 229
see sepa rateoperating instructio ns
Radio-c ontrolleddevi ces
(in stalli ng).......................................... 309
Readin glamp ..................................... 11314
In
dex

Rear
compartment
Setting theairv ent s...................... 135
Setting thetempera ture................ 130
Rear foglamp
Displ aymessa ge............................ 252
Switchi ngon/off ........................... 110
Rear seat
Adjusting ......................................... 98
Rear viewcamera
Cl eani nginstructio ns..................... 322
Function/notes ............................. 190
Rear-vie wmirror
Anti-glar e(manua l)........................ 103
Dippi ng(automa tic)....................... 104
Rear window defros ter
Prob lem(malfunction) ................... 133
Rear window heatin g
Switchi ngon/off ........................... 132
Rear window wiper
Rep lacing thewiper blade ....... ....... 119
Switchi ngon/off ........................... 118
Refue ling
Fuel gauge....................................... 29
Importa ntsafe tynotes .................. 149
Ref ueling proces s.......................... 150
see Fuel
Remote control
Ga rage door opener ....................... 305
Reportin g
Mal functions relevant tosafe ty....... .25
Res erve (fueltank)
see Fuel
Res erve fuel
Disp laym essage ............................ 257
Warni nglamp ........................ 276,277
see Fuel
Resi dual heat (climate control) ........ 133
Restrain tsyste m
see SRS (Supplemental Restraint
System)
Roadsi deAss istanc e(bre akdow n).... 22
Roll ersunb lind
Panor amaroofwith pow ertilt/
sli ding pane l....... ..............................90
Roof carrie r........................................ 293
Roof lining and carpets (clean ing
guide lines) ......................................... 325Roof
load(maximum) ........................ 390
Route see Routegui dance (navigation)
Route guidan ce(nav igati on)............ 228 S
Safety
Childre nint he vehicle ..................... 54
Chi ldrestrai ntsys tems .................... 54
Occupa ntClass ifica tion System
(OC S)............................................... 44
Overvi ewofoccup antsafe ty
sys tems ........................................... 38
Safety systems
see Driving safetysys tems
Seat belts
Adjusting thedrive r'sand front-
pas senger seatbelt ......................... 52
Adjusting theheight ....... .............. ....52
Belt force limiters ............................ 53
Cl eani ng....... ....... ........................... 324
Corr ectusage.................................. 50
Emergency Tensioning Devices ........53
Faste ning......................................... 51
Importa ntsafe tygui del ines ............. 49
Rel eas ing ......................................... 53
Safety guidel ines ............................. 39
Specia lseat belt retractor ............... 56
Switchi ngbeltadju stment on/off
(on-boa rdcompu ter)...................... 237
Warni nglamp ....... ..................... ..... 269
Warni nglamp (function) ................... 53
Seats
Adjusting (electrical ly). .................... 96
Adjusting the4-way lumba r
sup port ............................................ 99
Adjusting theheadrestrai nt............ 97
Cl eani ngthe cover ......................... 324
Corr ectdrive r'ssea tposi tion ...........94
Fold ingthe rear bench seat
forwa rds/ba ck....... ..................... ...287
Importa ntsafe tynotes .................... 95
Seat heating prob lem.................... 100
Seat ventila tionprob lem................ 100
Storing settings (memory
function) ........................................ 105 In
dex
15

Swi
tching seatheating on/off......... 99
Switchi ngsea tventila tionon/off ..100
Sec uring hooks....... ..................... ...... 288
Sen sors (clean inginstruction s)....... 322
Servi ce
see ASSYST PLUSserviceinterva l
dis pla y
Servi ceinte rval display
Displ aying servi cemessa ges......... 317
Hidi ngservi cemessa ges............... 317
Notes ............................................. 318
Service messages.......................... 317
Servi cemenu (on-bo ardcomputer) .233
Servi ceproducts
Brake fluid..................................... 389
Ca paci ties ...................................... 384
Coo lant (engi ne)............................ 389
DEF speci aladd itive s..................... 387
Engine oil....................................... 388
Fuel ................................................ 385
Importa ntsafe tynotes .................. 382
Ref rige rant (air-condi tioning
sys tem) .......................................... 389
Was herfluid.......................... .........3 90
Settin gs
Factory (on-boardcompu ter)......... 237
On-boa rdcompu ter....................... 233
Settin gthe airdistribu tion............... 130
Settin gthe airflo w............................ 131
Side impact airbag ............................. 43
Side marker lamp(display
messag e)............................................ 252
Side marker lamps(changi ng
bulb s)................................................. 117
Side window s
Conve nience closingfeatu re............ 86
Conve nience openingfeatu re.......... 86
Importa ntsafe tyinforma tion........... 85
Openi ng/closi ng.............................. 85
Prob lem(malfunction) ..................... 87
Res etting ......................................... 87
Sli ding sunroo f
Importa ntsafe tynotes .................... 88
Openi ng/closi ng.............................. 89
Prob lem(malfunction) ..................... 91
Res etting ......................................... 89
see Panor amaroofwith pow er
tilt/sl iding pane l SmartKey
Cha nging thebattery ....................... 76
Cha nging theprogr ammi ng............. 74
Che cking thebattery ....................... 76
Conve nience closingfeatu re............ 86
Conve nience opening featu re.......... 86
Displ aymessa ge............................ 267
Door central locking/u nlocking.......72
Importa ntsafe tynotes .................... 72
Loss ................................................. 77
Mecha nicalkey................................ 75
Posi tions (ignition lock)................. 139
Prob lem(malfunction) ..................... 77
Starting theengine ........................ 140
Sno wchai ns
Informati on.................................... 353
Soc kets
Lugg agecompa rtment ................... 298
Poi nts toobse rvebefo reuse ......... 297
Rea rcompartmen t......................... 297
Spare wheel
Notes/da ta.................................... 377
Storage location ............................ 329
see Emergency sparewhe el
Spec ialistwo rkshop ............................ 25
Spee d,controll ing
see Cruisecontrol
Spee dometer
Digita l............................................ 227
In the Instrument cluster................. 29
Segments ...................................... 223
Selecti ngthe unit of
meas urement................................ 233
see Instrument cluster
SRS (Supple mentalRestrain t
Syste m)
Displ aymessa ge............................ 246
Introducti on..................................... 38
Warni nglamp ....... ..................... ..... 275
Warni nglamp (function) ................... 38
Standing lamps
Cha nging bulbs.............................. 116
Displ aymessa ge............................ 252
Switchi ngon/off ........................... 108
Starting (engi ne) ....... .........................140
Station
see Radio
STEE RCONT ROL .................................. 6716
In
dex

Vehi
cle dime nsions........................... 390
Vehic leemerge ncylocking ................ 80
Vehic leiden tification number
see VIN
Vehic leiden tification plate.............. 381
Vehic lelev el(dis play messag e)....... 258
Vehic letool kit.................................. 328
Video (DVD) ..................... ................... 230
VIN ...................................................... 381W
Warning
andindicator lamps
ABS ............................ .................. .. 272
Brakes ........................................... 271
Che ckEngine ................................. 276
Coo lant .......................................... 277
Distance warning ........................... 279
DISTRONI CPLUS ........................... 279
ESP ®
.............................................. 273
ESP ®
OFF .......................................274
Fuel tank ............................... 276,277
Overvi ew.......................................... 30
PASSENGER AIRBAG OFF
indi cator lamp .................................. 44
Res erve fuel....... ....... ............. 276,277
Seat belt........................................ 269
SRS ............................ .................... 275
Tire press uremonitor .................... 280
Warranty ............................................ 381
Washer fluid
Displ aymessa ge............................ 267
see Winds hieldwa sher system
Whee lbol ttight ening torque ........... 337
Whee lcho ck...................................... 334
Whee ls
Cha nging awheel .......................... 333
Che cking ........................................ 351
Cl eani ng....... ....... ..................... ...... 320
Importa ntsafe tynotes .................. 350
Interchangi ng/changing................ 374
Mou nting awheel .......................... 336
Rem oving awheel .......................... 336
Storing ........................................... 375
Tig htening torque....... .................... 337
Whee lsize/ tires ize ....................... 375Windo
wcurtain airbag
Displ aymessa ge............................ 246
Opera tion............ ...... .......................4 4
Windo ws
Cl eani ng...... ...... ............................. 321
see Side windows
Windshi eld
Defrosting ...................................... 131
Infrared reflective .......................... 309
Winds hieldwasher system.............. 315
Notes ............................................. 390
Winds hieldwiper s
Problem (malfunction) ................... 120
Rea rwindow wiper........................ 118
Rep lacing thewiper blades ............ 119
Switchi ngon/off ........................... 118
Winte rdriving
Imp orta ntsafety note s.................. 352
Slip pery road surfaces................... 162
Snow chains.................................. 353
Winte roperatio n
Ra dia tor cover ............................... 313
Winte rtires
M+S tires....................................... 352
Wiper blades
Cl eani ng....... ..................... ............. 321
Importa ntsafe tynotes .................. 119
Rep lacing (rearwindow) ................ 119
Rep lacing (windshi eld)................... 119
Woo dentrim (clean ing
ins truction s)...................................... 32420
In
dex

Door
controlpa nel Fun
ction Pa
ge :
Ope
nsthedoo r 79
;
%&
Unloc ks/lo cks
th eveh icle 79
=
r45
=
St ores set ting sfo rt he seat,
exterior mirrorsand
steering wheel 105
?
Adjusts
theseat electrically 95
A
7Zö\
Adjusts
andfolds the
exterior mirrorsin/out
electrically 103
B
W
Opens/closes the
side windows 85
C
q
Opens/closes the
tailgate 83
D
n
Activates/
deactivates theoverride
feature forthe side
windows inthe rear
compartmen t 59 Doo
rcont rolpanel
35At a glance

door.
These itemsmaybethrown around in
the vehicle andcause headandother
inj uries when thewindow curtainairbag is
deployed.
R Air bag system compon entswill behot after
an air bag hasinflat ed.Donot touch them.
R Never placeyourfeetonthe instrument
panel, dashboard, oron the seat. Always
keep bothfeetonthe floor infron tof the
seat.
R Improper repairworkonthe SRS creat esa
risk ofrender ingthe SRS inoperat iveor
causing unintended airbag deployment .
Work onthe SRS must therefore onlybe
perfor medbyqualified technic ians.
Cont actanauthoriz edMercedes -Benz
Center .
R For your prote ction and theprote ction of
other s,when scrappin gthe airbag unit or
ETD ,our safety instruct ions must be
followed. Theseinstruct ions areavailable
from anyauthoriz edMercedes -Benz
Center .
R Given theconsiderable deployment speed,
required inflationvolume, andthemater ial
of the airbags, thereis the possibility of
abrasions orother ,poten tiallymore serious
inj uries resultin gfrom airbag deployment .
If you sellyour vehicle, Mercedes -Benz
str ongly recom mends thatyouinfor mthe
subsequent ownerthatthevehicle is
equipped withSRS. Also, referthem tothe
applicable sectioninthe Operator 'sManual. Air
bags
Impor tantsafet ynotes G
WARN
ING Air
bags aredesigned toreduce theinciden ce
of injuries andfatalities incert ainsituation s:
R fron talimpact s(driver's andfront-
passenger frontairbags anddrive r'sknee
bag)
R side impact s(side impact airbags and
window curtainairbags)
R rollov er(window curtainairbags)
Howev er,nosyst emavailable todaycan
com plete lyelimin ateinjuries andfatalities.
When theairbags aredeployed, asmall
amount ofpowder isreleased .The powder
generally doesnotconst ituteahealth hazard
and does notindicate thatthere isafire inthe
vehicle. Inorder toprevent potential
breathing difficulties, youshould leavethe
vehicle assoon asitis safe todo so. Ifyou
have anybreathing difficultybutcannot get
out ofthe vehicle aftertheairbag inflates,
then getfresh airbyopening awindow or
door. G
WARNING To
reduce therisk ofinjuries duringfrontair
bag inflation, thedriver andfront -passenger
must alwaysbe seated correctlyand have
their seatbelts fastened accordingly.
For maximum protectioninthe event ofa
collision, youmust alwaysbe inthe normal
seat position withyour back against the
backrest. Fastenyourseatbeltandmake sure
that itis correct lypositioned onyour body. 40
Occ
upant safetySafety

not
engaged inthe seatbelt buckle), theside
impact airbag onthe fron t-passenger side
will notdeploy. Theside impact airbag onthe
fron t-passenger sidewilldeploy ifthe fron t-
passenger seatbeltisfasten ed,regardless of
whether thefron t-passenger seatisoccupied
or not .
Window curtainairbags The
window curtainairbags enhanc ethe level
of protec tionforthe head, butnot chest or
arms, ofthe vehicle occupan tson the side of
the vehicle onwhich theimpact occurs.
The window curtainairbags areintegrated
int othe side ofthe roof frame anddeploy in
the area from theA-pillar tothe C-pillar. Window
curtainairbags :are deployed:
R on the side onwhich animpact occurs
R at the start ofan acciden twith ahigh rate
of lateral vehicle deceleration or
accelerat ion,e.g. inas ide impac t
R regar dless ofwhet herthefront-pass enger
seat isocc upied
R indep endently of seat beltuse
R ifthe vehic leover turns and thesyst em
dete rmin esthat window curtainairbag
deploymen tcan offeraddit ionalpro tection
to that pro vide dby theseat belt
R ind epen dentlyofthefron ta irbags
Windo wcurt ainairbags :will notdeploy in
impac tswith decele ration rates which donot
exc eed thesyst em's prese tdeployment
thr esholds forvehicle deceleration oraccelerat
ion.You willthen beprotec tedby
the fasten edseat belt. Occupant
Classification System
(OCS)
How theoccupant classification
system works The
Occupant Classification System(OCS)
categor izestheoccupan ton the fron t-
passenger seatbymeans ofaweight sensor.
The front-passenger frontairbag is
deact ivatedautom atically forcertain weight
cat egorie s.The
45 indic
atorlamp
shows youthecurr entstatus. Ifthe
45 indicatorlamp isilluminat ed,the
fro nt-pass engerfro ntair bag isdeact ivated.
The systemdoes notdeact ivate:
R the side impac tairbag
R the window curtainairbag
R the Emergen cyTens ionin gDev ices
To be class ifiedcorrectly, the frontpassen ger
must sit:
R with theseat beltfastened correctly
R in aposit ionthat isas upright aspossible
with theirback against theseat backrest
R with theirfeet onthe floor
If the front-pass enger's weight istransf erred
to anot herobject inthe vehic le(e.g .by
leanin gon armr ests),OCS maynotbeable to
approx imatethe occupant 'sweight category.
If the front-pass engerseat ,the seat coveror
the seat cushio naredama ged,have the
necessary repairwork carrie dout atan
au thorized Mercede s-BenzCenter.
For safety reasons,Mercede s-Benz
recommends thatyouonly useseat
accesso rieswhichhave been approved by
Mercede s-Benz.
Both thedrive rand the passe nge rshould
alwa ysuse the45 indicatorlampas
an indication ofwhether ornot thepassenger
is properly positioned. 44
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upantsafetySafety