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

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

Cru
isecont rollever :
Toact ivat eor inc reas espee d
; Toact ivat eor reduc espee d
= Todeac tivate cruise control
? Toact ivat eat thecur ren tspeed/last
stor edspeed
When youactiv atecruise control,the stor ed
speed isshown inthe multifun ction display
for five secon ds.Inthe multifun ction display,
the segmen tsbetween thestor edspeed and
the maximum speedlightup.
Activat ionconditions To
activ atecruise control,all ofthe following
activ ation condition smust befulfilled:
R your vehicle mustnotbesecured bythe
elect ricparkin gbrake.
R you aredrivin gfaster than20mph
(30 km/ h).
R ES P®
must beactiv e,but not interven ing.
R the tran smission mustbeinposition D.
R DS Rmust bedeactiv ated.
Activat ingcruise control You
canadopt thecurren tspeed ifyou are
drivin gfaster than20mph (30km/ h). X
Ac celerat ethe vehicle tothe desired
speed.
X Brief lypress thecruise controllever
up : ordown ;.
X Remove yourfootfrom theacceler ator
pedal.
Cruise controlis activ ated. Thevehicle
automatic allymaint ainsthestor edspeed. i
Cruise
controlmay beunable tomaint ain
the stor edspeed onuphill gradient s.The
stor edspeed isresumed whenthegradient
evens out.Cruise controlm aint ains the
st ore dspee don down hillgrad ientsby
auto maticall yapplyin gth ebrak es.
Activ ating with thecur ren tor last
st ored speed G
WAR
NING The
setspee dstore din mem oryshould only
be set again ifpre vailin groad condi tions and
legal speedlimit sper mit.Possible
acceleration ordeceleration differences
arising fromreturn ingtothe preset speed
could cause anaccident and/orserious injury
to you and others.
X Briefly pullthecruise controllever towards
you ?.
X Remove yourfootfrom theaccelerator
pedal.
The first time cruise controlisactivated, it
stores thecurrent speedorregulates the
speed ofthe vehicle tothe previously
stored speed.
Setting aspee d G
WARNI
NG Kee
pin mind thatitm aytak eabrie fmoment
until thevehicle hasmade thenecessary
adjustmen ts.
Inc rease ordecrease thesetvehicle speedto
a value thattheprevailing roadcondit ionsand
legal speed limitspermit. Otherwise, sudden
and unexpect edacceleration ordeceleration 168
Driving
systemsDriving and parking

For
furth erinfor mationonthe loadbea ring
inde x,see Loadinde x(Ypage 370).
Speed rating: speed ratingB specifies the
approved maximum speedofthe tire. G
WARN
ING Even
when permit tedbylaw, never operate a
vehicle atspeeds greater thanthemaximum
speed ratingof the tires .
Ex ceedin gthe maximum speedforwhich tires
are rated canlead tosudden tirefailure,
causing lossofvehicle controland possibly
resultin gin an acciden tand/o rserious
personal injuryandpossible death,foryou
and forother s.
Regardless ofthe speed ratingalways
obser vethe speed limits.Dr ive care fully and
adapt yourdrivin gst yle tothe traffic
con ditio ns. Sum
mer tires Index Speed
rating Q Up
to100 mph (160km /h) R Up
to106 mph (170km /h) S Up
to112 mph (180km /h) T Up
to118 mph (190km /h) H Up
to130 mph (210km /h) V Up
to149 mph (240km /h) W Up
to168 mph (270km /h) Y Up
to186 mph (300km /h) ZR..
.Y Up
to186 mph (300km /h) ZR..
.(..Y) Abov
e186 mph (300km /h) ZR Abov
e149 mph (240km /h) R
Opt ionally, tires with amaxim umspeed of
over 149mph (240km /h) may have "ZR"
in the size desc ription depen dingonthe
manuf acturer (e.g.245 /40ZR 18). The
servicespec ification scon sist ofload
bearin gindex Aand speed rating B.
R Ifthe size desc ription ofyour tireinc ludes
"ZR" andthereare noserv ice
spec ification s,ask thetiremanuf acturer in
order tofindout themaxim umspeed.
If aserv icespec ification isavailable, the
maxim umspeed islimit edacc ordin gto the
speed rating inthe serv icespec ification .
Ex ample: 245/40ZR 18 97Y.Inthis
exam ple,"97Y"isthe serv icespec ification .
The letter"Y" repr esen tsthe speed rating
and themaxim umspeed ofthe tireis
limit edto186 mph (300km /h).
R Ev ery tirethat hasamaxim umspeed above
186 mph (300km /h) must have"ZR"inthe
size desc ription and theserv ice
spec ification mustbegiven inbrac kets.
Ex ample: 275/40ZR 18 (99 Y).The speed
rat ing "(Y)" shows thatthemaxim umspeed
of the tireis above 186mph (300km /h).
Ask thetiremanuf acturer tofindout the
maxim umspeed. All-weat
hertires and winter tires Index Speed
rating Q
M+S 29 Up
to100 mph (160km /h) T
M+S 29 Up
to118 mph (190km /h) H
M+S 29 Up
to130 mph (210km /h) V
M+S 29 Up
to149 mph (240km /h) i
Not
alltires that have theM+S
ident ification offerthe drivin g
char acterist icsofwint ertires. Wint ertires
have, inadditio ntothe M+S identificat ion,
the i snow flakesymbol onthe tire
sidewal l.Tires withthisidentificat ionfulfill
the requirements ofthe Rubber
Manufacturers Association (RMA) andthe
Rubber Association ofCanada (RAC)
regarding thetire tract iononsnow and
29 Or M+Si forwinter tires. Tir
elabeling
369Wheels and tires Z