high beam MERCEDES-BENZ M-Class 2012 W166 Owner's Manual

1,
2,3... 115
Vsocket .................. .................... 298
12 Vsocket
see Sockets
4ETS (Electr onicTract ion Syst em)....63
4MA TIC(permane ntfour-w heel
drive) .................................................. 208A
ABS
(Anti-lo ckBraking System)
Displ aymessa ge............................ 239
Function/notes ................................61
Importa ntsafe tynotes .................... 61
Warni nglamp ....... .......................... 272
Ac tivating /deactivating cooli ng
wi th air dehumidif ication ................. 128
Ac tive BlindSpot Assist
Activa ting/d eactiva ting(on-
boa rdcomp uter)............................ 232
Function/inform ation.................... 202
Trai lertowi ng................................. 205
Ac tive Curve System
Displ aymessa ge............................ 258
Function/notes ............................. 181
Ac tive DrivingAssistanc epackage .202
Ac tive Lane Keepin gAss ist
Activating/d eactivating (on-
boa rdcompu ter)............................ 233
Displ aymessa ge............................ 259
Function/inform ation.................... 205
Trai lertowi ng................................. 208
Ac tive LightSyste m
Displ aymessa ge............................ 253
Ac tive Parking Assist
Displ aymessa ge............................ 260
Importa ntsafe tynotes .................. 186
Tow ingatrail er.............................. 189
Ac tive servi cesyste mPLUS
see ASSYS TPLUS service interval
disp lay
AD APTIVE BRAKE.................... .............6 5
Ada ptive High beam Assist
Dis play message ............................ 253
Function/notes ............................. 112
Switchi ngon/off (on-boa rd
compu ter)...................................... 234Additi
ves(engi neoil)........................ 388
AD S(A daptive DampingSyste m)
Function/notes ............................. 180
Ai rb ags
Displ aymessa ge............................ 249
Front airbag (driver, front
pas senger )....................................... 42
Importa ntsafe tynotes .................... 40
Knee bag....... ................................... 42
PASSENGER AIRBAG OFF
indi cator lamp .................................. 44
Safety guidel ines ............................. 39
Side impactairb ag .......................... 43
Windo wcurtain airbag .................... 44
Ai r-con ditioningsyste m
see Clima tecontrol
Ai rf ilter (disp laymessa ge).............. 257
AI RF LOW ........................................... 129
AI RMATIC package
ADS (Adaptive Dampi ngSystem) ...180
Function/notes ............................. 180
Level control .................................. 181
Ai rpressure
see Tire press ure
Ai rv ents
Glove box....................................... 134
Imp ortant safet ynotes .................. 134
Rea r............................................... 135
Setting ........................................... 134
Setting thecenter airvents ........... 134
Setting thesideairvents ............... 134
Al arm syste m
see ATA (Anti-Theft Alarmsystem)
Ambi entlighting
Setting thebrightness (on-boa rd
compu ter)...................................... 234
Setting thecolor (on-boa rd
compu ter)...................................... 235
Anti -lockBraki ngSys tem
se eABS (Anti-lock Bra king Syste m)
An ti-Th eftAl arm system
se eATA (Anti -Theft Alarm syste m)
An ti-th eftsys tem
ATA (Anti -Theft Alarm syste m) ......... 68
Approac h/departure angle.............. 166
Ashtray ............................................... 2964
In
dex

Lane
detection (autom atic)
see LaneKeeping Assist
Lane Keeping Assist
Ac tivat ing/deac tivating................. 233
Displ aymessa ge............................ 259
Function/inform ation.................... 200
Lane Tracking package..................... 198
LA TCH-type (ISOF IX)childseat
ancho rs................................................ 57
Le vel control (display messag e)...... 258
Le vel control (vehiclewith
AI RMATIC package )
Basi csettings ................................ 182
Function/notes ............................. 181
Importa ntsafe tynotes .................. 181
Lic ens eplate lamp(display
messag e)............................................ 252
Lig hting
see Ligh ts
Lig hts
Activating/d eactivating the
interio rlight ingdelayed switch-off.2 35
Automa tichea dlamp mode ............ 110
Displ aymessa ge............................ 250
Driving abroad ............................... 108
Hazard warning lamps ................... 111
High beamflasher .......................... 111
High-b eamheadlamps ................... 111
Ligh tswitc h................................... 108
Low-b eamheadlamps .................... 109
Parki nglamps ................................ 108
Rea rfog lamp ................................ 110
Setting thebrightness ofthe
amb ient lighting (on-boa rd
compu ter)...................................... 234
Setting thecolor ofthe amb ient
lig hting (on-boa rdcompu ter)......... 235
Switchi ngAdap tiveHighb eam
Assist on/off ................................. 234
Switchi ngthe daytime running
la mps on/off (on-boa rd
compu ter)...................................... 234
Switchi ngthe daytime running
la mps on/off (switch) .................... 109
Switchi ngthe exterio rlight ing
delayed switch-offon/ off(on-
board computer )............................ 235Switchi
ngthe surro undlighting
on/off (on-boa rdcompu ter).......... 235
Turn signa ls................................... 111
see Changing bulbs
see Interior lighting
Lig htsen sor (display messag e)....... 253
Lo ading guidelines ............................ 284
Lo cki ng
see Centra llockin g
Locking (doors)
Automat ic........................................ 79
Emergency locking........................... 80
From inside(central locking
button) ............................................. 79
Lo cki ng centrally
see Centra llockin g
Locking verification signal(on-
board comput er)............................... 236
Lo w-be amheadlamps
Cha nging bulbs.............................. 116
Displ aymessa ge............................ 250
Setting fordrivi ngabr oad
(sy mmetrica l)................................. 108
Switchi ngon/off ........................... 109
Lugg ageholde r(EASY-P ACKload-
secur ingkit).................................... ...2 91
Lumbar support ................................... 99 M
M+S
tires ...................................... ...... 352
Mainte nance
see ASSYST PLUSserviceinterva l
dis pla y
Malfunc tionmessag e
see Displ aymessa ges
Malfunc tionsrele vant tosafety
Rep orting ......................................... 25
Matte finish(clean ing
ins truction s)...................................... 320
mbrace Callprio rity.................................... 303
Displ aymessa ge............................ 245
Downlo ading desti nations
(C OMAND) ..................................... 303
Emergency call.............................. 300
Importa ntsafe tynotes .................. 299
Locati ngastolen veh icle. .............. 304 12
In
dex

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). Exter
iorlighting Impor
tant safet ynotes
For reason sof safet y,Merc edes-B enz
recom mends thatyoudrive withthelights
switc hedoneven during thedaytime. Insome
count ries,operation ofthe headlamps varies
due tolegal requiremen tsand self-imposed
obligation s. Inform
ation about driving abroad
Convert ingtosymm etrical low beam
when driving abroad: switc hthe headlamps
to symmet ricallowbeam incount riesin
which trafficdrives onthe opposite sideofthe
road tothe count rywhere thevehicle is
regist ered. Thispreven tsglare toonc oming
traf fic. Symmet ricallights donot illuminate
as large anarea ofthe edge ofthe road.
Have theheadlamps convert edataqualified
specialist workshop,e.g.anauthoriz ed
Merc edes-B enzCent er,asclose tothe border
as possible beforedrivingin thes ecount ries.
Convert ingtoasym metrical lowbeam
aft erret urn ing: have theheadlamps
con vert edback toasymmet ricallowbeam at
a qualified specialist workshop,e.g.an
authoriz edMerc edes-B enzCent er,assoon as
possible aftercrossing theborder again. Light
switch
Oper ation Depen
dingonthe date ofmanufac tureofyour
vehicle, thec orà symbol forthe
automat icheadlamp mode/dayt imerunn ing
lamps islocate don the light switc h. Illustr
ation:light switc hwith theà symbol for
the automat icheadlamp mode/daytime running
lamps
1W Left-han dstan ding lamps
2X Right-handstanding lamps
3T Parkinglamps, licenseplate and
inst rumen tcluste rlight ing
4Ã Automat icheadlamp mode/daytime
runn inglamps
5L Low-beam/ high-beam headlamps
BR Rearfoglamp Illust
ration: light switc hwith thec symbol for
the autom aticheadlamp mode/daytimerunn ing
lamps
1W Left-han dstandin glamps
2X Right-handstandin glamps 108
Exter
iorlight ingLights and windshield wipers

3
T
Parking lamps,license plateand
inst rument clusterlighting
4c Automaticheadlamp mode/daytime
runnin glamps
5L Low-beam/high- beamheadlamps
BR Rearfoglamp
The turn signals, high-beam headlamps and
the high-beam flasherareoperated usingthe
combinat ionswitch (Ypage 111).
! Ifthe batter yhas been excess ively
discharged, theparking lampsorstandin g
lamps areautomatically switchedoffto
enable thenext engine start.Always park
your vehic lesafely andsufficien tlylit
acc ordin gto legal standard s.Av oid the
con tinuous useofthe T parkinglamps
for sever alhours. Ifpossible ,switc hon the
X rightorthe W leftstandin glamp.
The exterior lighting(exc eptthepark ing/
st andin glamps) switchesoffautom atically if
you:
R remo vethe SmartKey fromt heignition lock
R open thedriver's doorwiththeSmartK ey
in position 0
If you hear awarning tonewhen youleave the
vehicle, thelights maystillbeswitched on.
X Turn thelight switch toc orÃ.
Low -beam headlam ps X
To switch onthe low-be amheadlam ps:
turn theSmartK eyinthe ignition lockto
position 2or start theengine.
X Turn thelight switch toL.
The L indicator lampinthe instrumen t
cluster lightsup.
Daytime runninglamps Daytime
runninglampsinCanada
The daytime runninglampsfunctionis
required bylaw inCanada .Itc ann otthere fore
be deac tivate d. X
Turn thelight switchtoc orÃ.
Wit hth een gin erun ning:depen dingon the
ambie ntlight ,th edayti merunninglamps or
th elow- beam headlam psare swit ched on.
When thelow- beam headlam psare
swit ched on,th eL indicat orlamp inthe
ins trumen tcluster lightsup.
When theengineisrunn ingand thevehic leis
st ation ary:ifyou mov ethe selec torlever from
a drive positiontoP,the daytime running
lamps/ low-beamheadlamps goout after
thr ee min utes.
When theengineisrunn ing,thevehic leis
st ation aryand inhigh ambien tlight
bright ness:ifyou turnthe light switch
to T, thedaytime runninglampsandthe
parking lampsareswitched on.
If the engine isrunning andyouturn thelight
switch toL, themanual settingstake
precedence overthedaytime runninglamps.
Daytime runninglampsinthe USA
In the USA, thedaytime runninglampsare
deactivated upondelivery fromthefactory.
X To activate thedayt imerunning
lamps: activate thedaytime runninglamps
funct ioninthe on-board computer
(Y page 234).
X Turn thelight switch toc orÃ.
With theengine running: depending onthe
ambient light,thedaytime runninglampsor
the low-beam headlampsareswitched on.
When thelow-beam headlampsare
switched on,the L indicator lampinthe
instrumen tcluster lightsup.
If the engineisrunn ingand youturnthe light
switch toT orL, themanual settings
take precedence overthedaytime running
lamps. Exterior
lighting
109Lights and windshield wipers

Comb
inationswit ch
Tu rn signa ls :
High-beam headlam ps
; Right turns ignal
= High- beam flasher
? Left turnsign al
X To indica tebrief ly:press thecom binat ion
switc hbrief lyto the press urepoint inthe
direc tionofarrow ;or?.
The correspo ndingtur nsignal flashes three
tim es.
X To indica te:press thecom binat ionswitc h
beyond thepress urepoint inthe direc tion
of arrow ;or?.
High- beam headlamps X
To switch ontheh igh-b eamhead lamps:
turn theSmar tKey inthe ignit ionlock to
posit ion2or star tthe engin e.
X Turn thelight switc hto L orc or
Ã.
X Press thecom binat ionswitc hbeyond the
pressure pointinthe direct ionof
arrow :.
In the c orà position ,the high-
beam headlamps areonly switched on
when itis dark andtheengin eis runn ing. The
K indicat orlamp inthe instrument
cluster lightsupwhen thehigh-beam
headlamps areswitch edon.
X To switch offthe high-bea m
headla mps:move thecombin ationswitch
back toits norm alposition .
The K indicat orlamp inthe instrument
cluster goesout.
High-beam flasher X
To switch on:turn theSmart Keyinthe
ignition locktoposition 1or 2or start the
engin e.
X Pull thecombin ationswitch inthe direct ion
of arrow =. Haz
ard warning lamps The
hazard warning lampsautomatic ally
switch onif:
R an air bag isdeployed.
R the vehicle isslowed downseverely froma
speed ofover 45mph (70km/ h)and comes
to ahalt.
X To switch onthe hazard warning lamps:
press button :.
All turn signals flash.Ifyou now switch on
a turn signal usingthecombin ationswitch ,
only theturn signal lamponthe
corr espondin gside ofthe vehicle willflash.
X To switch offthe hazard warning
lamp s:press button :. Exterior
lighting
111Lights and windshield wipers Z

The
hazard warning lampsaredeactivated
automatically ifthe vehicle returnsto aspeed
of over 6mph(10 km/h)after afull
application ofthe brakes. i
The
hazard warning lampsstilloperate if
the ignition isswitched off. Adapt
iveHighbeam Assist
You canusethis funct iontoset the
headlamps tochange between lowbeam and
high beam automatically. Thesystem
recogn izesvehicles withtheir lights on,either
approaching fromtheopposite direction or
traveling infron tof your vehicle, and
cons equently switches theheadlamps from
high beam tolow beam.
The system automatically adaptsthelow-
beam headlamp rangedepending onthe
distanc eto the other vehicle. Oncethe
system nolonger detectsany other vehicles,
it reactivat esthe high-beam headlamps.
The system's opticalsensorislocated behind
the windshield neartheoverhead control
panel. X
To activat e:activat ethe Adaptive
Highbeam Assistfunctionusing theon-
board computer (Ypage 234).
X Turn thelight switch toc orÃ. X
Press thecombinat ionswitch beyond the
pressure pointinthe direction ofarrow :
(Y page 111).
If it is dark andthelight sensor activates
the low-beam headlamps, the_
indicator lampinthe instr ument cluster
lights up.
If you drive faster thanapproximately
28 mph (45km/ h):
the headlamp rangeisset automatically
depending onthe distanc ebetween the
vehicle andother roadusers.
If you drive faster thanapproximately
35 mph (55km/ h)and noother roadusers
are identified:
the high-beam headlamps areswitched on
automatically. The
K indicator
lampin
the instr ument cluster alsolights up.
When youdrive slower thanapproximately
30 mph (45km/ h)or ifother roadusers
are identified orifthe roads aresufficient ly
illuminated:
the high-beam headlamps areswitched off
automatically. TheK indicator lampin
the instr ument cluster goesout.The_
indicator lampinthe instr ument cluster
stays on.
X To deactivat e:move thecombinat ion
switch backtoits normal position.
The _ indicator lampinthe instr ument
cluster goesout. G
WARNIN
G The
Adaptive Highbeam Assistisonly anaid
inten dedtosupport youwhile driving. The
driver isand remains responsible forproper
vehicle lighting inaccordanc ewith the
prevailing light,sightandtrafficcondit ions.
The system maybeimpaired orunavailable
when
R visibility ispoor, e.g.due tosnow, rain,fog,
or heavy spray
R the optical sensorareaofthe windshield is
dirty, fogged up,orcovered byastick erfor
example 112
Exterior
lightingLights and windshield wipers

The
system cannotrecogn izethe following
road users:
R Road users without alighting systemof
their own, e.g.pedestrians
R Road users withdimlighting oftheir own,
e.g. cyclists
R Road users whose lighting isobstruct ed,
e.g. road users behind aguardrail
R Insome seldom cases,evenroadusers with
a lighting systemoftheir ownmay be
recogn izedtoolate ornot atall.
The automatic high-beam headlamps willthen
not bedeactivated oritwill beactivated in
spite ofpreceding oroncom ingroad users.
This could endanger youand/or othersand
cause anaccident .Always payclos eatt ent ion
to the traffic situat ionand switc hoff the high
beam manually ifnec essary. Head
lampsfogged upontheinside
The headlamps mayfogupon the inside if
the reishigh atmo spher ichumidit y.
X Dr ive with theheadlamps switchedon.
The level ofmoist uredimin ishes,
depen dingonthe lengt hof the jour ney and
the weather condition s(humidit yand
tem perat ure).
If the level ofmoist uredoes notdimin ish:
X Have theheadlamps checkedataqualified
spec ialist workshop. Inter
iorlight ing Over
view ofinter iorlight ing Over
head control panel
: p Toswitc hthe left-han dfro ntreadin g
lamp on/off
; c Toswitc hthe frontinterior lighting
on
= v Toswitc hthe rear interior lighting
on/ off
? | Toswitc hthe frontint erior lighting/
autom aticinterior lightingcon trol off
A p Toswitc hthe right -handfront
read inglamp on/off
B Toswi tch the automatic interiorlighting
control on Inte
rior lighting control
Important notes In
order toprevent thevehicl e'sbattery from
discha rging,theinterior lighting functions are
au tomatical lydea ctivated aftersome time
except forwhen theSmartKey isin posi tion
2 in the ignitio nlock.
The color andbrigh tness ofthe ambi ent
lig hting maybeset using the on-board
computer (Ypag e234).
Automatic interiorlight ingcontr ol X
To switch on:setthe rocker switc hto
cen terposit ionB. Inter
iorlight ing
113Lights and windshield wipers Z

If
the new bulbstill does notlightup,con sult
a qualified specialist workshop.
Bulbs andlamps areanimport antaspect of
vehicle safety.Youmust therefore make sure
that these function correctlyat all times .
Have theheadlamp settingchec kedregularly. G
WARN
ING Bulbs
andlamps canbevery hot.Youshould
ther efore allowthemtocool down before you
chang ethem .Othe rwise, yo ucou ldbe burned
if yo utou chthe m.
Kee pbu lbsou to fthe reach ofchildren.
Otherwise, theycould damage thebulbs, for
example, andinjure themselves.
Never useabulb which hasbeen dropped.
Such abulb maybreak oreven explode and
injure you.
Halogen bulbsarepressurized andcan
explode whenyouchange them,particularly
if they arevery hot.Youshould therefore wear
eye protect ionand gloves whenyouare
changing them. Overview:
changingbulbs/bulb types
You canchange thefollowing bulbs.Thebulb
type canbefound inthe legend. Halogen
headlamps
: Low-beam headlamp:H755W
; High-beam headlamp:H755W
= Parking lamp/standing lamp:W5W BV
? Side marker lamp:WY5W Tail
lamp
: Brake lamp:P21 W-L Changing
thefront bulbs
Removing andinstalling thecover inthe
front wheel arch You
must remove thecover fromthefront
wheel housing beforeyoucan change the
front bulbs. X
To remove: switchoffthe lights.
X Turn thefront wheels inwards.
X Slide upcover :and liftitout.
X To install: insertcover:again andslide
it downwards untilitengages. Replacing
bulbs
115Lights and windshield wipers Z

Low-bea
mheadlam ps(ha logen
hea dlamp s) X
Remov eth ecov erinthefron twheel arch
(Y page 115).
X Turn housin gcov er: coun ter-clo ckwise
and pullitout.
X Turn bulbholde r; coun ter-clo ckwise and
pull itout .
X Take thebulb outofbulb holde r;.
X Inser tthe new bulb intobulb holder ;.
X Insert bulbholder ;into thelamp andturn
it clockwise.
X Align housing cover:and turn it
clockwise untilitengages.
X Repla cethe cover inthe front wheel arch
(Y page 115).
High-beam headlamps(halogen
headlam ps) X
Switch offthe lights.
X Open thehood. X
Turn housing cover:counter- clockwise
and pullitout.
X Pull lever =upwa rdsand remove bulb
holder ;.
X Take thebulb outofbulb holder ;.
X Insert thenew bulb intobulb holder ;.
X Simultaneously pressbulbholder ;and
pull lever =downwards.
X Align housing cover:and turn it
clockwise untilitengages.
Parking lamps/sta ndinglamps
(halogen headlamps) X
Turn housing cover:counter- clockwise
and pullitout.
X Pull outbulb holder ;.
X Take thebulb outofbulb holder ;.
X Insert thenew bulb intobulb holder ;.
X Insert bulbholder ;.
X Align housing cover:and turn it
clockwise untilitengages. 116
Replacing
bulbsLights and windshield wipers

The
system maybeimpaired orunavailable if:
R there ispoor visibility, e.g.due tosnow,
rain, fogorheavy spray.
R the windshield isdirty, fogged upor
covered, forinstan cebyastick er,inthe
vicinit yof the camera.
R you aredriving onbends, uphillgradients
or downhill gradients.
Light fromtheheadlamps ofoncom ing
vehicles doesnotaffect theNight ViewAssist
Plus display inthe multifunct iondisplay .This
is also thecase ifyou cannot switchonthe
high-beam headlampsduetooncomin g
traffic. G
WARNING The
Night ViewAssist Pluscannot record
object simmediately infront ofor next tothe
vehicle. Whenmaneuvering, continue tolook
through thewindshield. Makesureno
persons oranimals areinthe area inwhich
you aremaneuvering. Youcould otherwise
injure them. i
Infrared
lightisnot visible tothe human
eye and therefore doesnotglare. Night
View Assist Pluscantherefore remain
switched oneven ifthere isoncomin g
traffic. :
Night ViewAssist Pluscamera
Switching onNight ViewAssist Plus Depending
onyour vehicle's dateof
manufacture, thec orà symbol for
the "Automatic drivinglights/daytime running
lamps"position islocated onthe light
switch. You
canonly activate NightViewAssist Plus
if:
R the SmartK eyisin position 2in the ignition
lock.
R itis dark.
R the light switch isset toeither c,
à orL.
R reverse gearhasnotbeen engaged.
X Make surethatCOMAND isswitched on.
X Press button :.
The Night ViewAssist Plusdispla yappea rs
in the COMAND display. :
Night ViewAssist Plusdispla y
; Pedestrian recognized
= Framing
? Symbol foractive pedestrian recognition
You canread about howtoadjust the
brightness ofthe COMAND displayin the
COMAND operatinginstructions. 196
Driving
systemsDriving and parking