2012 MERCEDES-BENZ M-Class ignition

(30
km/h). When thevehic lespeed exceeds
20 mph (30km/h), theindic atorlamp goes
out and BlindSpot Assistisready foruse.
When yourspeed exceeds approx imately
20 mph (30km/h), warnin glamp :light sup
red ontheco rrespo nding side when evera
vehicl eis detected inthe blind spot
monitoring range.Thiswarning isalw ays
given when avehicl eenters theblind spot
monitoring rangefrombehindorfrom the
side .When youarepassing another vehicle,
the warning isemitted onlyifthe difference
in speed isless than 7mph (12km/h).
The yellow indicator lampgoesoutifreverse
gear isengaged. Inthis event, BlindSpot
Assist isno longer active.
The brightness ofthe indicator/warnin g
lamps isadjusted automatically accordingto
the ambient light. G
WARNING Blind
SpotAssist isnot active atspeeds under
approximately 20mph (30km/h). The
indicator lampsinthe exterior mirrorsare
yellow .Vehicles inthe monit oringrange are
then notindicat ed.
Always payatten tiontotraff iccon ditions and
your surroundin gs.Other wise,youmay failto
recogn izedangers intime, cause anacciden t
and injure yourself andother s.
Collisio nwarning
If avehicle isdetec tedinthe monit oringrange
of Blind SpotAssist andyouswitch onthe turn
signal, adouble warning tonesounds. Red
warning lamp:flashes. Ifthe turn signal
remains on,detect edvehicles areindicated
by the flashing ofred warning lamp:.There
are nofurther warning tones.
Switching onBlind SpotAssist
X Make surethattheradar sensor system
(Y page 236)andBlind SpotAssist (Y
page 232)areactivated inthe on-board
computer.
X Turn theSmartK eytoposition 2in the
ignition lock.
Warning lamps:light upred inthe
exterior mirrorsforapproximately 1.5
seconds andthen turnyellow.
Tra iler towing
When youattach atrailer, makesureyouhave
correct lyestablished theelectrical
conn ection. Thiscanbeaccomplished by
check ingthe trailer lighting. Inthis event,
Blind SpotAssist isdeactivated. Theindicator
lamp inthe exterior mirrorslightsupyell ow,
and the Blind
SpotAssist Currently Unavailable
SeeOperator's Manual message
appearsinthe multifunction
displa y. i
You
candeactivate theindicator lampsin
the exterior mirrors.
To do so, switch offBlind SpotAssist when:
R the SmartK eyisin position 2in the
ignition lock.
R the engine isnot running.
R the electrical connection tothe trailer
has been established.
Lane Keeping Assist Import
antsafety notes
Lane Keeping Assistmonitors thearea in
front ofyour vehicle bymeans ofacamera at
the top ofthe windshield. LaneKeeping Assist
detect slane markings onthe road andwarns
you before youleave yourlane
uninten tionally. 200
Driving
systemsDriving and parking

user
s.Alwa ysmak esure that there is
suff icientdist anceon theside forother traff ic
or obst acles.An inap propriat ebrak e
applic ationm aybe interr upte dat any timeif
you steer sligh tlyintheoppos itedire ction or
acc eler ate.
You arerespon sible fordriv ingatappro priate
spee ds,brak ingingood time,and steeri ng
cor rectly. Always adaptyourdrivingstyle to
suit theprev ailingroad andweat her
con dition s.Always payattent ion totraff ic
con dition sand your surroundings. Other wise,
you may failtorec ogn izedang ersintim e,
caus ean acc iden tand inju reyoursel fand
othe rs.
The rewillbe either nooronl ya we ak cou rse-
corr ectingbra keapplica tionif:
R there arevehi cles orobsta cles,e.g.crash
barri ers,locatedonboth sidesof you r
vehi cle.
R avehi cleapp roache syou tooclose lyat the
side .
R you have adopted asporty drivingstyle with
high cornering speeds.
R you clearlybrake oraccel erate.
R adrivi ngsafe tysys tem intervenes, e.g.
ESP ®
or PRE-SAFE ®
Brake.
R ESP ®
is swi tched off.
R the off-road programisswitched on.
R aloss oftire pressure oradefective tireis
detected.
Switching onActive BlindSpotAssist
X Make surethattheradar sensor system
(Y page 236)andActive Blind SpotAssist
(Y page 232)areactivated inthe on-board
computer.
X Turn theSmartKey toposition 2in the
ignition lock.
Warning lamps:light upred inthe
exterior mirrorsforapproximately 1.5
seconds andthen turnyellow. Tra
iler towing
When youattach atrailer, makesureyouhave
correct lyestablished theelectrical
conn ection. Thiscanbeaccomplished by
checkin gthe trailer lighting. ActiveBlind Spot
Assist isthen deactivated. Theindicator lamp
lights upyell owinthe exterior mirrorsandthe Active
BlindSpotAssist Currently Unavailable
SeeOperator's Manual message
appearsinthe multifunction
displa y.
Active LaneKeeping Assis t Importa
ntsafety notes
Act iveLane Keeping Assistmonitors thearea
in front ofyour vehicle bymeans ofacamera
at the top ofthe windshiel d.Act ive Lane
Keeping Assistdetects lanemarkings onthe
road andwarns youbefore youleave your
lane unintent ionally.Ify ou do not react tothe
warning, alane-cor rectingapplication ofthe
brakes canbring thevehicle backintothe
original lane. :
Active Lane Keeping Assistcamera
If you have selected the Display
Unit Speed-/Odome
ter (Y
page 233)functionin
the on-board computer andselect km as
the
unit ofmeasurement, Active Lane Keeping
Assist isactive fromspeeds of60 km/ h.If
the miles display
unitisselected, the
assistance rangebegins at40 mph. G
WARNIN
G Act
ive Lane Keeping Assistdoesnotkeep
your vehicle inits lane. Itis only anaid and Driving
systems
205Driving and parking
Z

!
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

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

Assis
tance men u
Int rod uction In
the Dri
veAssist. men
uyou can:
R sho wthedist ancedisp lay
R act ivat e/deac tivat ePRE -SAF E®
Br ake
R act ivat e/deac tivat eAT TENTI ON ASSIST
R act ivat e/deac tivat eBli nd Spot Assis tor
Activ eBli nd Spo tAssi st
R acti vate/d eactiv ate Lane Kee ping Assi stor
Activ eLa ne Kee ping Assi st
Sho wing the distanc edis play Thi
sfu nctio nisonly available with
DISTRONIC PLUS.
X Press the= or; button onthe
steering wheeltoselect the DriveAssist
menu.
X Press the9 or: button toselect Distance
Display .
X Press a.
The DISTRONIC PLUSdistance display
(Y page 173)appea rsinthe multifunction
displa y.
Activating/deac tivatingPRE-SAFE ®
Bra ke PRE-SA
FE®
Brake isonly available invehicles
with DISTRONIC PLUS.
X Press the= or; button onthe
steering wheeltoselect the DriveAssist
menu.
X Press 9or: toselect PRE-SAFE
Brake . X
Press a.
The current selection isdispla yed.
X To activate/deactivate: pressa
agai n.
When PRE-SA FE®
Brake (Ypage 65)is
activated, themultifunction displayshows
the Ä symbol aslong asthe HOLD
function isnot activated (Ypage 179).
Vehicles withActive Parking Assist:if
PARKTRONIC isactivated andyouaredriving
at aspeed under22mph (35km/h), thej
Act iveParking Assistsymbol willbedispla yed
instead ofthe Ä symbol.
Activating/deac tivatingATTENTION
ASSIST X
Press the= or; button onthe
steering wheeltoselect the DriveAssist
menu.
X Press the9 or: button toselect Attention
Asst. .
X Press a.
The current selection isdispla yed.
X To activate/deactivate: pressa
agai n.
When ATTENTION ASSIST(Ypage 194)is
activated, theÀ symbol appearsinthe
multifunction displaywhen theignition ison.
Activating/deac tivatingBlindSpot
Assis t You
canusethe Blind Spot Asst. function
to activate ordeactivate BlindSpotAssist
(Y page 198)orAct ive Blind SpotAssist
(Y page 202).
X Press =or; onthe steering wheel
to select the DriveAssist menu.
X Press 9or: toselect Blind Spot
Asst. .
X Press a.
The current selection isdispla yed.
X To activate/deactivate: pressa
agai n. 232
Menus
andsubmenusOn-board computer and displays

Acti
vating/d eactivating Lan eKeepi ng
Assis t You
canusethe Lan
e Kee
p. Ass
t. fun
ction
to act ivat e/deac tivat eLan eKee pingAs sis t
(Y page 200)or Active Lan eKee pingAs sis t
(Y page 205).
X Pre ssthe= or; buttonon the
st eer ing whee lto sele ctthe Dri
veAssist men
u.
X Pre ssthe9 or: buttont oselect Lane
Keep. Asst. .
X Press a.
The current selection isdisplay ed.
X Press thea button toconf irm.
X Press the: or9 button toset Off ,
Standard or Adaptive .
X Press thea button tosave thesetting.
If Lane Keeping AssistorAct iveLane keeping
Assist isactivated, themultifunct iondisplay
shows theà symbol whentheignition is
switched on. Service
menu In
the Serv. menu
youcan:
R call updisplay messages (Ypage 238)
R restart thetire pressure losswarning
system (Canada only)(Ypage 357)
R check thetire pressure electronically
(Y page 359)
R call upthe service duedate (Ypage 317) Settings
menu
Introdu ction The Sett. menu
canbeused for:
R changing theinstr ument cluster settings
R changing thelight settings
R changing thevehicle settings
R changing theconv enienc esett ings
R restor ingthe factor ysett ings
Instrum entcluster Selecting
theunit ofmeasur ementfor
distance
The Display
UnitSpeed-/Odome ter: funct
ionallows youtochoose whether
cert aindisplay sappear inkilometers ormiles.
The selected unitofmeasurement for
distance appliesto:
R the digital speedometer inthe Trip menu
R the odometer andthetrip odometer
R the trip computer
R the current consumpt ionand therange
R the navigation instruction inthe Navi menu
R DIS TRONIC PLUS
R ASS YST PLUS service intervaldisplay
X Press the= or; button onthe
steerin gwheel toselect the Settings
menu.
X Press the: or9 button toselect the Instr.
cluster submenu.
X Press thea button toconf irm. Menus
andsubmenus
233On-board computer and displays Z

Setting
theambient lightingcolor
X Press the= or; button onthe
steering wheeltoselect the Settings
menu.
X Press the: or9 button toselect the Light submenu.
X Press thea button toconf irm.
X Press the: or9 button toselect the Ambient
lightcolor funct
ion.
X Press thea button toconf irm.
X Press the: or9 button toset the
color to SOLAR , NEUTRAL or POLAR .
X Press thea or% button tosave the
settin g.
Activating/deactivating surround
lighting andexterior lightingdelayed
switch-off
If you have activated the Lighting: funct
ion
and thelight switch isin the c orÃ
position, thefollowing functionsareactive
when itis dark:
R Surr ound lighting: theexterior lighting
remains litfor 40seconds afterunlocking
with thekey. Ifyou start theengine, the
surround lightingisswitched offand the
automatic headlampmode isactivated
(Y page 110).
R Exterior lightingdelayed switch-off: the
exterior lightingremains litfor 60seconds
after theengine hasbeen switched off.If
you close allthe doors, theexterior lighting
goes offafter 15seconds.
If you activate the Lighting: funct
ion,the
following lightupdepending onthe vehicle's
equipment:
R the parking lamps
R the daytime runninglamps
R the side marker lamps
R the surround lightinginthe exterior mirrors
X Press the= or; button onthe
steering wheeltoselect the Sett. menu.
X Press the: or9 button toselect the Lights submenu. X
Press thea button toconf irm.
X Press the: or9 button toselect the Locator
Lighting: funct
ion.
You willsee theselected setting: Enabled
or Disabled .
X Press thea button tosave thesettin g.
Deactivat ingdelay edswitch-of fofthe
exterior lightingtemporarily:
X Before leaving thevehicle, turnthe
SmartK eytoposition 0in the ignition lock.
X Turn theSmartK eytoposition 2in the
ignition lockandback toposition 0.
The exterior lightingdelayedswitch-off is
deactivated.
Delayed switch-off ofthe exterior lightingis
reactivated thenext time youstart the
engine.
Activating/deactivating theinterior
lighting delayed switch-off
If you activate the Interior
Lighting Delay funct
ion,theinterior lighting remains
on for 20seconds afteryouremove the
SmartK eyfrom theignition lock.
X Press the= or; button onthe
steering wheeltoselect the Settings
menu.
X Press the: or9 button toselect the Lights submenu.
X Press thea button toconfirm .
X Press the: or9 button toselect the Interior
LightingDelay: funct
ion.
You willsee theselected setting: Enabled
or Disabled .
X Press thea button tosave thesettin g.
Vehicle Activating/deactivating
theautom atic
door locking feature
If you select the Automatic
DoorLock: funct
ion,thevehicle iscent rally locked above
a speed ofaround 9mph(15 km/ h). Menus
andsubm enus
235On-board computer and displays Z

Disp
laymessa ges Gen
eral not es G
WAR
NING Al
lcat ego riesof mes sagescontain imp ortant info rm ation whic hsho uld betake nn ote ofand,
where amalfunct ionisindicated, addressed assoon aspossible atan authorized Mercedes-B enz
Center.
Failure torepair thecondit ionnoted maycause damage notcovered bythe Mercedes-B enz
Limited Warranty, orresult inproperty damageorpersonal injury.
Display messages appearinthe multifunct iondisplay .
Display messages withgraphic displaysmay beshown insimplified forminthe Operator's
Manual andmay differ fromthemessages showninthe multifunct iondisplay .
Please respond inaccordanc ewith thedisplay messages andfollow theadditional notesin
this Operator's Manual.
Certain displaymessages areaccompanied byan audib lewarning toneor acont inuous tone.
When youstop andpark thevehicle, pleaseobserve thenoteson the HOLD function
(Y page 179)andparking (Ypage 155). Hiding
display messages
You canhide some display messages withalow priority.
X Press thea or% button onthe steering wheeltohide thedisplay message.
The display message iscleared.
Display messages withahigh priority areshown inred.
You cann othide display messages ofthe highest priority. Themultifunct iondisplay shows
these messages continuously untilthecauses forthe messages havebeen remedied. Message
memory
The on-board computer savescertaindisplay messages. Youcancallupthe display messages
in the message memory.
X Press the= or; button onthe steering wheeltoselect the Serv. menu.
If there aredisplay messages, themultifunct iondisplay shows,forexample, 2
Messages .
X Press the9 or: button toselect theentr y,e.g. 2
Messages .
X Confirm witha.
X Press the9 or: button toscroll through thedisplay messages.
When theignition isswitched off,alldisplay messages aredeleted apartfromsome high-
priority displaymessages. Oncethecauses ofthe high-priority displaymessages havebeen
rect ified, thecorrespon dingdisplay messages arealso deleted. 238
Display
messagesOn-board computer and displays