2012 MERCEDES-BENZ M-Class warning light

far
aspossi ble.W hen doing so,also
observe thePARKTRONIC messages.
X Stop assoon asPARKTRONIC soundsthe
cont inuous warning tone,ifnot before.
Maneuvering mayberequired intight
parking spaces.
The Park
Assist ActiveSelectD Observe Surroundings message
appearsin
the multifunction display.
X Shift thetransmission toposition Dwhile
the vehicle isstationary.
Act iveParking Assistimmediately steersin
the other direction.
The Park
Assist ActiveAccelerate and
Brake Observe Surroundings message
appearsinthe multifunction
displa y. i
You
willachieve thebest parking results
by waiting forthe steering procedure to
complete beforemoving forwards.
X Drive forwards andbeready tobrake atall
times.
X Stop assoon asPARKTRONIC soundsthe
cont inuous warning tone,ifnot before.
The Park
Assist ActiveSelectR Observe Surroundings message
appearsin
the multifunction display.
X Further transmission shiftsmaybe
necessary.
As soon asthe parking procedure is
complete, the Park
Assist Finished message
appearsinthe multifunction
displa y.PARKTRONIC continues tobe
availa ble.
X Maneuver ifnecessary.
X Always observe thewarning messages
displa yedbyPARKTRONIC (Ypage 184).
Cancel ingActive Parking Assist You
cancancel Active Parking Assistatany
time. X
Stop themovement ofthe multifunction
steering wheelorsteer yourself.
Act ive Parking Assistwillbecanceled at
once. The Park
Assist Canceled message
appearsinthe multifunction
displa y.
or
X Press thePARKTRONIC buttononthe
cent erconsole (Ypage 185).
PARKTRONIC isswitched offand Active
Parking Assistisimmediately canceled.
The Park
Assist Canceled message
appea rsinthe multifunction display.
Act ive Parking Assistiscanceled
automatically if:
R parking usingActive Parking Assistisno
longer possible.
R you aredriving fasterthan6mph
(10 km/h).
R awheel spins,ESP®
interven esorfails. The
ä warning lamplights upinthe
instrumen tcluster.
Aw arning tone soun ds.The park ingspac e
symb oldisapp earsandthe Par
kAss ist Can
celed mes
sage appear sin the
mult ifunction displ ay.
When ActivePark ingAssist iscan celed, you
must steer again yourself.
Tr ailer towin g For
vehicleswit hatrailer tow hit ch,th e
min imum lengthfor park ingspac esissligh tly
inc reas ed.
If you have attach edatrailer toyour vehicle,
you should notu se Act ive Parking Assist.
Once theelectrical connection isestablished
between yourvehicle andthetrailer, Active
Parking Assistisno longer available.
PARKTRONIC isdeactivated forthe rear area. Driving
systems
189Driving and parking Z

Rear
viewcame ra
Impo rtant safetynotes The
rearview came raisan opt ical park ingand
mane uverin gaid. Itshows thearea behin d
your vehic lewith guide linesinthe COMA ND
display. G
WARN
ING Make
surethatnoperso nsoranimals arein
the mane uverin grang e.Oth erwise, they
could beinjured.
The rear view came raisin the handle onthe
tailgat e. :
Rear viewcame ra
View throu ghthecam era The
area behin dthe vehic leisdisplayed ina
mirr or-inv erted mann er,asinthe rear- view
mirr or. G
WARN
ING The
rear view came raisonly anaid and may
display obstacles
R fro madistort edperspect ive
R inacc urately
R may notdisplay obstaclesatall The
rear view camera doesnotrelieve youof
the respon sibility tobe cautious. Takecare
and paycareful attention. Therear view
camera maynotshow objectswhich are
R very close tothe rear bumper
R under therear bumper
R above thetailgate handle
You arerespon sibleforsafety atall times and
must continue topay attention tothe
immediate surroundingswhen parkin gand
maneuver ing.This includes thearea behind,
in fron tof,and besidethe vehicl e.Otherwi se
you couldendange ryourself and/or others. G
WARNING Under
thefollowing circumstances,therear
view camera willnotfunct ion,orwill funct ion
in alimited manner :
R the tailgate isopen
R in heavy rain,snow orfog
R at night orinvery dark places
R ifthe camera isexposed tovery bright light
R ifthe area islit by fluorescent lightorLED
lighting (thedisplay mayflicker)
R ifthere isasudden changeintemperature,
e.g. when driving intoaheated garagein
winter
R ifthe camera lensisdirty orobstruct ed
R ifthe rear ofyour vehicle isdamaged. Inthis
event ,have thecamera position andsetting
check edataquali fiedspecialist workshop.
Mercedes-B enzrecommen dsthat youuse
an authorized Mercedes-B enzCenter for
this purpose.
Do not use therear view camera inthese
types ofsituation. Youcould otherwise injure
others ordamage objectsand your vehicle
while youareparking. 190
Driving
systemsDriving and parking

A
Yellow laneoftires atcurr entsteerin g
wheel angle(dynamic )
B Bumpe r
C Red guide lineapprox imately10 in
(0. 25 m)away fromthe rear area
D Yellow guidelineapprox imately3f t
(1 m) away fromtherear area
E White laneofvehic lewidth withsteering
wheel straight (static)
F Vehic lecen teraxle (mark erassist ance)
The guide linesareonly shown whenthe
tr ansm ission isin posit ionR.
The distan cespecif icationsonly apply to
objec tsthat areatgroun dlevel. Addit
ional messages forvehic leswith
PARKTRO NIC
: Frontwarnin gdisplay
; Addit ional PARKTRON ICmeasurem ent
operat ionalreadines sindic ator
= Rear warnin gdisplay
Vehicles withPARKTR ONIC:when
PARKTRON ICisoperat ional(Ypage 183),
addition aloperat ionalreadines s
indic ator;also appears. Warning
displays :and =are active ifthe
cor respon dingPARKTRON ICwarnin g
displays areactive (Ypage 184).They light
up yellow assoon asthe first segmen tint he
PARKTRONIC warningdisplaylights upyell ow
and they light upred assoon asthe first
segment inthe PARKTRONIC warningdisplay
lights upred. "Reverse
parking" function X
Make surethattherear view camera is
activated andthat the"Reverse parking"
funct ionisselected. Seetheseparate
operating instructionsforCOMAND.
The lane andtheguide linesareshown.
Backing upstra ight intoapar king space
without turning thesteering wheel :
Vehicle widthincluding exteriormirrors
; White lanewith steering wheelstraight
= Yellow guidelineapproximately 3ft
(1 m) away fromtherear area
? Red guide lineapprox imately 10in
(0.2 5m) away fromtherear area
X With thehelp ofwhite lane;,chec k
whethe rthe vehicle willfitinto theparking
space.
X Using thewhite laneasaguide, carefully
back upuntil youreach theend position.
Red guide line?isthen atthe end ofthe
parking space.Thevehicle isalmost
parall elin the parking space.
Reverse perpendicular parking with the
steering wheelatan angle
X Drive pasttheparking spaceandbring the
vehicle toastandst ill. 192
Driving
systemsDriving and parking

ATT
ENTI ONASSIST asses ses your level of
fa tig ue orlaps es inconce ntrationb yta king
th efo llowi ngcriteri ainto acc oun t:
R your person aldri vin gst yle, e.g. steer ing
ch arac teris tics
R dri vin gco nd ition s,e.g. time, drivin gtime
The function alit yof ATTENTI ON ASSIST is
res trict ed and warn ings may bedelaye dor
no toc cur atall:
R ifth ero ad cond ition ispoo r,e.g. ifth e
sur faceis une ven orifth ere arepotholes
R ifth ere isast ro ng side wind
R ifyou haveadop tedaspo rty dri vin gst yle
wit hhig hco rneri ng spe eds orhig hrat es of
acc eler ation
R ifyou predom inant lydri ve atspe eds under
50 mph (80km/h)or over 11 2mph
(18 0km /h)
R ifyou arecurren tly usin gCOMA NDor
mak ing ate leph onecal lwit hit
R ifthe timehas been setincorrect ly
R in act ive drivin gsit uation s,such aswhen
you chan gelanes orchan geyour speed
War ning anddisplaymessa gesinthe
mu ltifunct iondisp lay X
Ac tivate ATTENTION ASSIS Tusing theon-
board computer (Ypage 232).
Symbo l: appears inthe mult ifunc tion
display.
If ATT ENTION ASSIS Tis act ive, you willbe
warne dno soon erthan 20min utes afteryour
jour ney hasbegun. Youwillthenhear an
int ermit tentwarning tonetwice, andthe Att
ention Assist:Dro wsiness Det
ected mess
ageappears inthe
mult ifunction display. X
Ifnec essar y,tak eabreak .
X Pres sa or% tocon firm the
mess age.
On longjo urn eys, takeregular breaksin good
tim eto allow yourse lfto rest prop erly. Ifyou
do not takeabreak andATTENTION ASSIST
st ill det ectstypic alindi cators offat igue or
inc reasin glapses incon centratio n,you willbe
warn edagain after15 min utes attheearlies t.
ATT ENTION ASSIST isrese twhen you
con tinue your journ eyand start sasses sing
your tiredn ess again if:
R you switchoff theeng ine.
R you takeoff your seatbeltandopen the
driv er's door ,e.g .for achange ofdrivers or
to take abreak. Night
ViewAssist Plus
Import antsafety notes In
addition tothe illumination providedbythe
normal headlamps, NightViewAssist Plus
uses infrared lighttoilluminate theroad. The
Night ViewAssist Pluscamera picksupthe
infrared lightanddisplay sag ray scale image
in COMAND. Theimag edisp layed in
COMAND correspondstoaroad litup byhigh -
bea mheadlamps. Thisenables youtosee the
road's course andanyobstac lesingood time.
If pedestrian recognitionisactiv ated,
pedestrian srecogn izedbythe system are
highlighted inthe Night ViewAssist Plus
display. G
WARN
ING Night
ViewAssist Plusisonly anaid designed
to assist driving. Itis not asubstit utefor
atten tivedriving. Donot rely solely onthe
Night ViewAssist Plusdisplay. Continueto
look through thewindshield. Youare
respon sibleforsafety andmust drivein
accor dance withtrafficcon ditions .You could
otherwise putyourself andothers indanger. Driving
systems
195Driving and parking
Z

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

i
The
infrared lampsswitch on
automatically fromaspeed ofabout 6mph
(10 km/ h).This means thatyoudonot have
the fullvisual rangewhilethevehicle is
stat ionary andcann otchec kwhether Night
View Assist Plusisworking.
Pedestrian recognition G
WARNING Pedestrian
recognitionmay beimpaired or
inoperative if:
R pedestrians arepartially orentirely
obscured byobject s,e.g. parked vehicles.
R the silhouette ofthe pedestrian inthe Night
View Assist Plusdisplay isincomplete or
interrupted, e.g.bypowerful light
reflections.
R pedestrians donot cont rast with the
surroundings.
R pedestrians arenot standing upright,for
example, ifthey aresitting, crouching or
lying down. i
Animals
arenot recogniz edbypedestrian
recognit ion.
Night ViewAssist Plusisable torecogniz e
pedestrians bytypical characterist ics,e.g. a
silhouette inthe shape ofap erson .
Pedestr ianrecogn itionisthen switch edon
automatic allyif:
R Night ViewAssist Plusisactivat ed.
R you aredriving fasterthan6mph
(10 km/ h).
R the surroundin gsare dark, e.g.when
driving outside built-up areaswithout
str eet lighting.
If pedestrian recognitionisactive,
symbol ?appears. Ifpedestrian sare
recogn ized,theyareframed =and thereby
highlighted. Ifthe pedestrian recognition
system hasbrought apedestrian toyour
atten tion,look through thewindshield to
evaluate thesituation .The actual distance toobject
sand pedestrians cannotbegauged
accurately bylooking atascreen.
It may bethe case thatobject sare highlighted
as well aspedestrians.
Fogg edup ordirt ywindsh ield If
the windsh ieldinfro ntofthe camer ais
fogge dup ordirt yon the inside oroutsid e,the
Night ViewAssistPlus display isaffec ted. G
WARN
ING Please
donot forg etthat your primar y
respo nsibilit yis to drive thevehic le.Ad river's
attention tothe road must alwaysbe his/he r
prima ryfocus whendriving.For yoursafety
and thesafety ofothers, stopbefore tryingto
remove windowfoggi ngorclea ning the
winds hieldin front ofthe Night ViewAssist
Plu scamera .
Bear inmind thatataspeed ofjust 30mph
(ap proxima tely50km/h), yourvehicle is
cover ingadistanc eof 44 feet
(approximately 14m)every second.
X To defr ost: chec kthe automatic air
con ditionin gsett ings (Ypage 132)and fold
do wn the cam eracove r(Y page 323) .
X To def ros tthe inside ofthe winds hield:
fol ddo wn the cam eracove r(Y page 323)
and clean the windsh ield (Y page 321) . Dri
ving sys tems
197Driving and parking Z

alte
ringof thedevi cewill void any
warr anties, and isno tp ermit tedbythe
FCC. Donot tamper with,alter, oruse in
any non-approved way.
An yunauthoriz edmodificat iontothis
device couldvoidtheuser’s authorit yto
operate theequipment.
For Blind SpotAssist toassist youwhen
driving, theradar sensor system mustbe
activat ed(Ypage 236)and operation al.
Monitoring rangeofthe sensors
Blind SpotAssist monitorsthe area shown in
the figure upto10 ft(3 m) behind and
immediately adjacenttoyour vehicle. G
WARNIN
G Blind
SpotAssist monitorscert ainareas inthe
immediate vicinityof your vehicle. Vehicles
that approach anddrive pastathigh speeds
are not detect ed.There isno display andno
warning.
If the lanes arevery wide, itmay notbe
possible tomonit orthe complete widthofthe
neighboring lane.Forthis reason, vehicles in
the next lanemaynotbedetect ed,especially
if they aredriving inastaggered formation.
This may bethe case ifvehicles aredriving at
that edge oftheir lanewhich isfurthest away
from yourvehicle. Always
payatten tiontotraffic conditionsand
your surroundings. Otherwise,youmay failto
recogn izedangers intime, cause anaccident
and injure yourself andothers.
If the lanes arenarrow, vehicles drivinginthe
lane beyond thelane next toyour vehicle may
be indicated, especially ifthe vehicles arenot
driving inthe middle oftheir lane. Thismay
be the case ifthe vehicles aredriving onthe
inner sideoftheir lane.
Due tothe nature ofthe system:
R warnings maybeissued inerror when
driving closetocrash barriers orsimilar
solid laneborders.
R warnings maybeinterr upted whendriving
alongside longvehicles, suchastruck s,for
a prolonged time.
The two sensors forBlind SpotAssist are
integr atedintothesides ofthe rear bumper.
Make surethatthebumper isfree from dirt,
ice orslush around thesensors. Therear
sensors mustnotbecovered, forexample by
bicycle racksoroverhanging loads.Following
a severe impact orinthe event ofdamage to
the bumpers, havethefunct ionofthe radar
sensors checkedataquali fiedspecialist
workshop, e.g.anauthorized Mercedes-B enz
Center. BlindSpotAssist mayotherwise not
work properly.
Indicator andwarning display :
Yellow indicator lamp/red warninglamp
When BlindSpotAssist isactivated, indicator
lamp :lights upyellow inthe exter ior
mirrors uptoavehicle speedof20 mph Driving
systems
199Driving and parking Z

(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