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

Otherwise,
youand others couldbeinjured by
the ball coupling beingthrown around ifyou:
R brake sharply
R change direction suddenly
R are involved inan accident
X Open thestowage wellunder thecargo
compartment floor.
X Remove theprotective capfrom theball
coupling recess.
X Press theprotective capinto theball
coupling recessuntilitengages.
X Make surethattheprotective capisfirmly
in place.
X Store theball coupling inthe ball coupling
recess withthebolt andspring cotter
inserted. Tra
iler power supply
The trailer socket ofyour vehicle isequi pped
at the factory withapermanen tpower supply .
The permanent powersupply issupplied via
trailer socket pin4.
! You canconn ectaccessories witha
maximum powerconsumpt ionof240 Wto
the permanent powersupply.
You must notcharge atrailer battery using
the power supply.
The trailer's permanent powersupply is
switched offinthe event oflow vehicle supply
voltage andafter sixhours atthe latest.
You canobtain further informationabout
installing thetrailer electric sfrom aquali fied
specialist workshop, e.g.anauthorized
Mercedes-B enzCenter. Tr
ailer towing
219Driving and parking Z

220

Useful
information........ .......... .......... 222
Impor tantsafet ynotes .................... 222
Displays andopera tion.................... 222
Menus andsubmenu s...................... 226
Display messages ............................. 238
War ning andindicat orlamp sin the
instr ument cluster ............................ 269 221On-board computer and displays

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). Impor
tant safet ynotes You
willfind anillustrat ionofthe instrumen t
clust erinthe "Ataglance" section
(Y page 29). G
WARN
ING A
driver' satt ent ion tothe road andtraffic
con dition smust always behis/her primary
focus whendriving.
For your safetyand thesafet yof other s,
select ingfeature sthr ough themultifun ction
steer ingwheel should onlybedone bythe
driver whentrafficand road condition spermit
it to be done safely.
Bear inmind thatataspeed ofjust 30mph
(approxim ately50km/ h),your vehic leis
cove ringadistan ceof44 feet (approxim ately
14 m)every second. G
WARN
ING No
messages willbedisplayed ifeither the
inst rumen tclust eror the multif unction
display isinoper ative.
As aresult, youwillnotbeable tosee
info rmat ionabout yourdrivin gcon dition s,
such as
R speed
R outside temperatur e
R warnin g/indicato rlamps R
malf unction/ warn ingmes sages
R failur eof any systems
Dr ivin gch arac terist ics may beimpair ed.
If you must continue todriv e,do sowith added
caut ion.Contac tana uth oriz edMer cedes-
Ben zCent eras soon aspossible. G
WARN
ING Malfunct
ionand warning messages areonly
indicat edfor cert ainsystems andare
inten tionally notvery detailed. The
malfunct ionand warning messages are
simply areminder withrespect tothe
operation ofcert ainsystems. Theydonot
replace theowner's and/ordriver's
respons ibilitytomaint ainthe vehicle's
operatin gsafety. Haveallrequired
maint enanc eand safety checksperform edon
the vehicle. Bringthe vehicle toan authorized
Mercedes- BenzCenter toaddress the
malfunct ionand warning messages. Displays
andopera tion Coolant
temperaturedispla y G
WARN
ING Drivin
gwhen yourengine isoverheat edcan
cause somefluidswhich mayhave leaked into
the engine compart menttocatc hfire. You
could beseriously burned.
St eam from anoverheat edengine cancause
serious burnswhich canoccur justbyopening
the engine hood.Stay away fromtheengine
if you seeorhear steam comingfrom it.
St op the vehicle inasafe location awayfrom
other traffic.Turn offthe engine, getout ofthe
vehicle anddonot stand nearthevehicle until
the engine hascooled down.
The coolant temperaturegauge isin the
inst rument clusteronthe right- hand side.
Under normaloperatin gcon ditions andwith
the specified coolantlevel,thecoolant
temper aturemayriseto248 ‡(120 †). 222
Displays
andopera tionOn-board computer and displays

!
Ifthe coolant temperature istoo high a
displa ymessage isshown.
If the coolant temperature risesabove
248 ‡(120 †),donot drive anyfurther as
this could damage theengine. Tachometer
The redband inthe tachometer indicatesthe
engine's overrevving range.
! Donot drive inthe overrevving range,as
this could damage theengine.
The fuel suppl yis interrupted toprotect the
engine whenthered band isreached. Outside
tempera turedisplay
The outside temperature displayis in the
multifunction display(Y page 224). G
WARNING The
outside temperature indicatorisnot
designed toserve asan ice-warning device
and istherefore unsuitablefor that purpose.
Indicated temperatures justabove the
freezing pointdonot guara nteethattheroad
surface isfree ofice. The road maystillbeicy,
especial lyin wooded areasoron bridges.
Changes inthe outside temperature are
displa yedafter ashort delay. Speedometer
withsegments
The segments inthe speedometer indicate
which speed rangeisavail able.
Cruise control(Ypage 167)activated:
The segments lightupfrom thestored speed
to the maximum speed.
DISTRONIC PLUS(Ypage 169)activated:
One ortwo segments inthe setspeed range
light up.
DISTRONIC PLUSdetects avehicle infront :The
segments betweenthespeed ofthe
vehicle infront andthestored speedlightup. Operating
theon-board computer
Overview The
on-board computer isactivated assoon
as you turn theSmartKey toposition 1in the
ignition lock.
You cancont rolthe multifunction displayand
the settings inthe on-board computer using
the buttons onthe multifunction steering
wheel. :
Multifunction display
; Toswitch onthe Voice Control System;
see theseparate operating instructions
= Right controlpanel
? Left controlpanel
A Back button Dis
plays andoperation
223On-board computer and displays Z

Left
contr olpa nel =
; R
Calls upthemen uand men ubar 9
:
Pr
ess briefly:
R Sc rolls through lists
R Sele ctsa subme nuorfun ction
R In the Aud
io men
u:selec tsa
st ored statio n,an audio track or
a video scene
R In the Tel (te
lepho ne)men u:
swit chesto thephon ebook and
selec tsanam eor telepho ne
num ber 9
:
Pr
ess and hold :
R In the Aud
io men
u:selec tsthe
prev ious/ nextstati onorselects
an audio tra ck oravide osce ne
us ing rapid scro lling
R In the Tel (te
leph one )menu :
sta rts rapidscro lling thro ughthe
ph one book a R
Co nfirms ase lectio n/di splay
mes sage
R In the Tel (te
leph one )menu :
sw itch estothe telepho ne book
and starts dialing the selected
num ber
R In the Aud
io menu
:sto psthe
sta tionse arch functio nat the
de sired station Rig
htcontro lpane l ~ R
Re jects orend sa cal l
R Exits phone book/r edial
mem ory 6 R
Ma kes oracc epts acal l
R Swi tche sto the redialmem ory W
X R
Adju ststhe volum e 8 R
Mu te Bac
kbutto n %
Pre
ssbriefly:
R Bac k
R Swi tche soff the VoiceControl
Sy ste m
R Hid esdisp laymes sage sor cal ls
up the last Tri
p menu
functio n
us ed
R Exits thetelepho ne book/r edial
mem ory %
Pre
ssand hold:
R Ca lls up the standa rddisp layin
the Tri
p menu
Mul
tifunc tiondis pla y
Va lues and setting sas wellas disp lay
mes sage sar esho wninthe multifu nctio n
di sp lay. :
Time
; Outside temp eratureor spee d
(Y page 234) 22
4 Disp
lays andop erationOn-boardcompu ter and displays

=
Des cripti on field
? Menubar
A Transmi ssion positio n
For furthe rinform ation on displ aying the
trans mission positio n,see (Ypage 145) .
The followi ng mes sage sma yap pe ar inthe
mu ltifu nctio ndisplay:
XjY ActivePark ingAssist
(Y page 186) CRUI
SE Cruise
control (Y page 167)
à DSR DS
R(Y page 208)
è Rearwindow wiper(Ypage 118)
À ATTENTION ASSIS T(Ypage 194)
à LaneKeeping Assist(Ypage 200)
or Active Lane Keeping Assist
(Y page 205) HOLD HOLD
function (Ypage 179)
Ä PRE-SAFE®
Brak e(Y page 65) Displays
andopera tion
225On-board computer and displays Z

Menus
andsubmen us Menu
overview
The number ofmenus showndepends onthe option alequipment inthe vehicle. Function
:
Trip menu
(Ypage 227) ;
Navi menu
(navigation instruct ions) (Ypage 228) =
Audio menu
(Ypage 229) ?
Tel menu
(telephon e)(Y page 230) A
DriveAs
sist menu
(assistanc e)(Y page 232) B
Service menu
(Ypage 233)
R calls updisplay messages (Y page 238)
R tire pressure losswarning system(Canada only)(Ypage 357)
R tire pressure monitor(Y page 359)
R AS SYST PLUS serviceint erval display (Ypage 317) C
Sett. menu
(Ypage 233) 226
Menus
andsubm enusOn-board computer and displays

Trip
menu
Stan dard display X
Pre ssand holdthe % button onthe
stee ring wheelunti lthe Tri
p menu
with
od ome ter:and tripodome ter;is
sho wn.
Trip compute r"F rom start" or"From
res et" The
values inthe Fro
mSta rt su
bme nuare
cal cul ate dfro mt hestart ofajourney, while
the values inthe From
Reset submenu
are
calculated fromthelast time thesubmenu
was reset (Ypage 228).
X Press the= or; button onthe
steering wheeltoselect the Trip menu.
X Press the9 or: button toselect From
Start or From
Reset .
Trip
computer "Fromstart"(example)
: Distanc e
; Time
= Average speed
? Average fuelconsumption
The From
Start trip
computer isreset
automatically if:
R the ignition hasbeen switched offfor more
than fourhours.
R 999 hours havebeen exceeded.
R 9,999 mileshavebeen exceeded. When
9,999 hoursor99,999 mileshavebeen
exceeded, thetrip computer isautomatically
reset From
Reset .
Displaying therange andcurrent fuel
consumption X
Press the= or; button onthe
steering wheeltoselect the Trip menu.
X Press the9 or: button toselect
current fuelconsumption andapproximate
range. :
Approximate range
; Current fuelconsumption
Approximate range:iscalculated
according tocurrent drivingstyleandthe
amount offuel inthe tank .If there isonly a
small amount offuel leftinthe fuel tank ,the
displa yshows avehicle beingrefueled C
instead ofrange :.
Digi talspeedometer X
Press the= or; button onthe
steering wheeltoselect the Trip menu.
X Press 9or: toselect thedigital
speedometer. :
Digital speedometer Menus
andsubmenus
227On-board computer and displays Z

Res
ettingvalues Yo
ucan resetthe valuesof the followi ng
functi ons:
R Tri podo mete r
R Tri pcomp uter"Fro mstar t"
R Tri pcomp uter"Fro mres et"
X Pre ssthe = or; button onthe
stee ring wheel tosel ect the Trip menu
.
X Pre ssthe 9 or: button tosel ect the
functi onthat youwi sh tores et.
X Pre ssa. Re
setti ngthe trip comp uter"From start" (example)
X Pres s: tosel ect Yes and
pres sa
to confirm . Navig
ationsys tem menu
Di splay ingnavi gatio nins tructio ns In
the Navi menu
,the multifunction displa y
show snavi gationinstru ctions. Formore
inform ation,see theseparateope rating
instru ctions.
X Swi tch onCOM AND (seethe separate
ope ratinginstru ctions) .
X Pres sthe = or; button onthe
steer ingwhe elto sel ect the Navi menu
. Route
guidanc einac tive :
Directi onoftrave l
; Current road
Route guidanc eacti ve No
chan geofdirec tionanno unced :
Dista ncetothe destinati on
; Dista ncetothe next chang eof dir ectio n
= Current road
? Symb olfor "follow the road's cour se"
Chan geofdirec tionanno uncedwithout a
lane recommen dation :
Road into whichthe chang eof dir ectio n
lea ds
; Dista ncetochang eof dir ectio nand visual
di sta nce displ ay
= Sym bolfor cha nge ofdirecti on
Whe nach angeof directi onhasbee n
annou nced,youwi llsee visuald istanc e
display ;nex ttothe symbol forthe change
of direction =.Thisdecreases insize asyou
approach theannounced changeofdirection. 228
Menus
andsubmenusOn-board computer and displays