2012 MERCEDES-BENZ M-Class key

For
safety reasons, thevehi clecan only be
low ered with alldoo rsand thetailga teclos ed.
Low ering isinterru ptedifadoo rorthe tailgate
is opened andwillcont inue after thedoor is
closed again.
! When driving onextrem elyrough terrain,
select ahigh vehicle levelingood time.
Make surethatthere isalwa yssufficient
ground clearance toprevent damage tothe
vehicle.
! Remove thekey from theignition before
raising oneormore wheels withthe
appropria teequipment.
For information aboutdriving off-road, see
(Y page 162).
Basic settings
The exten ttowhich thevehicle israised or
lowered depends onthe basic setting
selected. Selectraisedlevelforoff-road
driving orhighway /high-speed levelfor
normal roads.
The individual vehiclelevelsdifferfrom
highway levelasfollows:
R +/- 0in (+/- 0mm) atthe highway level
R –0.6 in(–15 mm)atthe high-speed level
R +2. 3in (+ 60 mm) atthe raised level
Raised level
Only select raised levelwhen thisis
appropriate forthe road condit ions.
Otherwise, fuelconsumpt ionmay increase
and handling maybeaffect ed. X
Start theengine. If
indicator lamp;isnot lit:
X Press button :.
Indicat orlamp ;flashes. Thevehicle rises
to raised level.
While theadjustmen tistaking place,a
message appearsinthe multifunction
displa y,e.g.: If
you press the% ora button onthe
multifunction steeringwheel,themessage
will disapp ear.
Once thevehicle hasreached raisedlevel,
indicator lamp;remains lit.The Vehicle
Rising message
disappearsfrom the
multifunction display.
If you attempt toselect theraised levelata
speed ofover 40mph (64km/h), the Drive
More
Slowly message
appearsinthe
multifunction display.
Highway/high-speed level
! Make surethatthere isenough ground
clearance whenthevehicle isbeing
lowered. Itcould otherwise hitthe ground,
damagi ngthe underbody . X
Start theengine. 182
Driving
systemsDriving and parking

segments.
PARKTRONIC isoperational if
yell ow segments showingoperational
readiness =light up.
The selected transmission positionandthe
direction inwhich thevehicle isrolling
determine whichwarning displayis active
when theengine isrunning. Tra
nsmission
position Warning
display D
Front
areaactivated R,
Nor the vehicle
is rolling
backwards Rear
andfront areas
activated P
No
areas activated One
ormore segments lightupasthe vehicle
approa chesanobstacle, depending onthe
vehicle's distancefromtheobstacle.
From the:
R sixth segment onwards, youwillhear an
intermitt entwarning tonefor
approximately twoseconds.
R seventh segment onwards, youwillhear a
warning toneforapproximately two
seconds. Thisindicates thatyouhave now
reached theminimum distance.
Deac tivating/activating PARKTRONIC:
Indicator lamp
; Todeactivate/activate PARKTRONIC If
indicator lamp:lights up,PARKTRONIC is
deactivated. Active Park Assist isthen also
deactivated. i
PARKTRONIC
isautomaticall yactivated
when youturn theSmartKey toposition 2
in the ignition lock.
Tra iler towing PARKTRONIC
isdeactivated forthe rear area
when youestablish anelectrical connection
between yourvehicle andatrailer.
! Fold inthe ball coupling ifthe trailer tow
hitch isnot required. PARKTRONIC
measures theminimum detection rangeto
an obstacle fromthebumper, nottheball
coupling. Driving
systems
185Driving and parking Z

Acti
vating/d eactivating therea rview
cam era X
To activ ate: make surethattheSmar tKey
is in posit ion2in the ignit ionlock .
X Make surethatthe"rear viewcamer a"
func tion isselec tedinCOMAN D(see the
separate operating instructionsfor
COMAND).
X Engage reverse gear.
The area behind thevehicle isshown inthe
COMAND displaywith guide lines. X
To change thefunction mode:usingthe
COMAND controller, select symbol :for
the "Reverse parking"functionor
symbol ;for the "Cou pling upatrailer"
function .See the separate COMAND
operatin ginst ruct ions.
The symbol ofthe select edfunc tion is
highlighted.
To deactiva te:the rear view camera is
deactivat edwhen you:
R shift thetran smission toposition P
R drive forward tenmeter s
R shift thetran smission fromposition Rto
anoth erposition (after15secon ds)
R drive forward fasterthan5mph
(10 km/ h) Displays
inthe COMAND display G
WARN
ING Use
ofrear view camera canbedangerous if
you arecolor- blindorhave impaired color
vision.
Only userear view camera ifyou can seeand
distin guish allcolored guidelines shownby
rear view camera onthe COMAND system
display. G
WARN
ING Please
notethat objec tsthat donot touch the
ground mayappear tobe furth eraway than
they actually are,forexample:
R the bumper ofavehicle parkedbehindyou
R the trailer drawbar
R the ball coupling ofatrailer towhitch
R the rear endofatruc k
R aslanted post
In such cases, youshould notuse theguide
lines tojudge thedistanc e.You may misjudge
the distanc e,which increases therisk of
impactin gthe objec ts.
Even ifthe objec tyou approach isdirectly on
the ground, donot approach theobject any
closer thanthered guide line. :
Vehicle widthincluding exteriormirrors
; Vehicle widthincluding wheelextremities
= Yellow guidelineapproximately 13ft
(4 m) away fromtherear area
? Red lane ofvehicle widthatcurrent
steering wheelangle(dynamic) Driving
systems
191Driving and parking Z

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

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 Poss
iblecauses/c onseq uences and M Solu
tions The
displaymes sage ison lysho wnwhile theveh icleis in mot ion.
The yello w! warning lamp lightsup and thered F (USA
on ly)/ ! (Canadaonly) indic ato rlamp flashes.
It is no tp ossible toapply theelectric parking brakemanually .
X Shift thetrans mission toP.
X Visit aquali fiedspecialist workshop. F(USA
only)!(Canada
only)
Turn
Onthe Ignition
to Release
the Parking
Brake The
redF (USAonly)/ !(Canada only)indicator lamplights
up.
You attempt edtorelease theelectric parking brakewhilethe
ignition wasswitched off.
X Smar tKey: turntheSmart Keytoposition 1in the ignition lock.
X KEYL ESS-GO: switchonthe ignition. $(USA
only)J(Canada
only)
Check
BrakeFluid Level G
Risk
ofaccident There
isnot enough brakefluidinthe brake fluidreservoir.
Additionally, thered $ (USAonly)/ J(Canada only)
warning lamplights upinthe instr ument cluster andawarning
ton esounds.
X Pull over andstop thevehicle safelyassoon aspossible, paying
atten tiontoroad andtraffic conditions.Donot cont inue driving
under anycircumst ances.
X En gage theelectric parking brake.
X Consult aquali fiedspecialist workshop.
X Do not add brake fluid.Thiswillnotrect ifythe malfunct ion. G
WARNIN
G Drivin
gwith themessage Check Brake Fluid Level display
edcan result inan accident .Have
your brakesyst emcheck edimm ediat ely.
Do notadd brake fluidbefore checkingthe brake system. Overfillingthebrake fluidreserv oircan
result inspilling brakefluidonhot engin eparts andthebrake fluidcatching fire.Youcanbe
seriously burned. 244
Display
messagesOn-board computer and displays

Disp
laymessa ges Poss
iblecauses/c onseq uences and M Solu
tions Pho
neNoSer vice Your
vehicleis out side thene twork provider'strans mitter/
rec eiverran ge.
X Wait untilth emob ilepho neoper ationalread iness sym bol
appea rsinthemult ifunction disp lay. ¥
Che
ckWasher Fluid The
wash erflui dlev elin thew asher fluidreservoir has dropped
below themin imum .
X Ad dwashe rfluid (Y page 315). Sma
rtKey Displa
ymessag es Possibl
ecaus es/conseq uencesandM Solut
ions +
Key
DoesNot Bel
ong toVehicle You
have putthewron gSm artKey intheign itio nlock.
X Use thecorrec tSmart Key. +
Take Your Key from
Ignition The
Smart Keyisin the ignition lock.
X Remove theSmart Key. +
Obtain
aNew Key The
Smart Keyneeds tobe replaced.
X Visit aquali fiedspecialist workshop. +
Replace Key Battery The
batteries ofthe KEYLE SS-GO key aredischarged.
X Change thebatteries (Ypage 75). +
Don't
Forget Your Key The
display message isshown foramaximum of60 seconds and
is only areminder.
You have opened thedriver's doorwiththeengine switched off.
The KEYLE SS-GO key isnot inthe ignition lock.
X Remember totake theKEYLE SS-GO key with youwhen you
leave thevehicle. Display
messages
267On-board computer and displays Z