2012 MERCEDES-BENZ M-Class wheel

R
you switchon thetur ns ignals .Int his
event, thewarnings aresuppressed fora
certain periodoftime.
R adriving safetysystem interven es,e.g.
ABS ,BAS orESP ®
.
R you accelerate hard,e.g.kickdown.
R you brake hard.
R you steer actively, e.g.swerve toavoid
an obstacle orchange lanequickly.
R you cutthe corner onasharp bend.
Tra iler towing
When youattach atrailer, makesureyouhave
correct lyestablished theelectrical
conn ection. Thiscanbeaccomplished by
check ingthe trailer lighting. Off-r
oaddriving systems 4MATIC
(permanentfour-wheel drive)
4MATIC ensuresthatallfour wheels are
permanent lydriven. Together withESP®
and
4ETS, itimproves thetract ionofyour vehicle
whenever adrive wheel spinsdueto
insufficient grip. G
WARNING If
adrive wheel isspinning duetoinsufficient
tract ion:
R While driving off,apply aslittle throttleas
possible.
R While driving, easeupon the accelerator
pedal.
R Adapt yourspeed anddriving styletothe
prevailing roadcondition s.
Failure toobserve theseguidelinescould
cause thevehicle toskid.
The 4MATIC cannotprevent accidents
resulting fromexcessive speed.
! Never towthevehicle withoneaxle
raised. Thismay damage thetransf ercase.
Damage ofthis sort isnot covered bythe
Mercedes-Ben zLimited Warranty. All
wheels mustremain eitheronthe ground or
be fully raised. Observe theinstruct ions
for towing thevehicle withallwheels infull
cont actwith theground. i
In
wintry driving condition s,the maximum
effect of4MATIC canonly beachieved if
you usewinter tires(M+S tires ),wi th snow
chai nsifnecessa ry.
! Function orperfo rmance testsmayonly
be perfo rmed ona2-axle dynamome ter.If
you wish tooper atethe vehi cleonsuch a
dy namome ter,please consul tan
auth orizedMer cedes-Ben zCent er
beforehan d.You could otherwisedamage
the drive trainorthe brake system.
For infor mation aboutdriving off-road, see
(Y page 162). DSR
(Dow nhillSpeed Regulat ion)
Impor tantsafet ynotes DS
Rassists youwhen driving downhill. It
keeps thespeed oftravel atthe speed seton
the on-board comput er.The steeper the
downhill gradient,the greater theDSR
brakin geffec tonthe vehicle. Whendriving on
flat stret ches ofroad oron anuphill gradient,
the DSR braking effectisminimal ornon-
existent . G
WARNING Downhill
SpeedRegulation (DSR) isa
conven iencesystem designed toassist the
driver during vehicle operation. Thesystem
settin gmust beappropriate tothe
topographical andweather condition s
encount ered,which canchange quickly. The
driver isresponsible forthe vehicle speedand
for safe brake operation atall times.
Depending onthe programmed speed,actual
vehicle speedandgradient, switching onDSR
while driving cancause thevehicle toslow
down rapidly ,and youmay hear asound,
caused bythe activation ofthe vehicle's brake
system through DSR.Sudden andunexpected
deceleration canresult inloss ofvehicle 208
Off-r
oaddriving systemsDriving and parking

G
WARNING Do
not disconnect atrail erwith anengag ed
overru nbrake. Otherwi se,you rhand could
bec ome trapped between thebumpe rand
trai lerd rawb ar.
Observe themaximu mpermissible trailer
dimension s(width andlengt h).
Most federal statesand allCanadian
provin cesrequire bylaw:
R safety chains between thetowing vehicle
and thetrailer. Thechains should becross -
wound underthetrailer drawbar. Theymust
be fasten edtothe vehicle's trailer
coupling, nottothe bumper orthe axle.
Allow forenough playinthe chains to
facilitat eturn ingtight corners.
R aseparate brakesystem forcert aintypes
of trailer.
R asafety switch forbraked trailers. Check
the specific legalrequirement sapplicable
to your federal state.
If the trailer detaches fromthetowing
vehicle, thesafety switch applies the
trailer's brakes.
! Donot connectthe trailer's brakesystem
(if featured) tothe hydrau licbrake system
of the towing vehicle, asthe latter is
equipp edwith ananti-lock brakesystem.
Doing sowill result inaloss offunct ionof
the brake systems ofboth thevehicle and
the trailer.
X Make surethattheautomatic transmission
is set toposition P.
X Apply thevehicle's electricparking brake.
X Start theengine.
X Vehicles withtheAIRMATIC package:
select highway level.
X Vehicles withtheadaptive damping
system: setADS toAUTO orCOMF.
X Switch offthe engine.
X Close alldoors andthetailgate.
X Coupl eup the trailer.
X Est ablish allelectrical connections. i
Vehicles
withtheAIRMATIC package:
if you couple upatrailer, thevehicle always
remains athighway level.When coupling up
a trailer, please observe thefollowing:
R ifhighway levelhasnotbeen set
manually ,the vehicle willautomatically
sink tohighway levelassoon asit
reaches aspeed of5m ph(8km/ h).
R high-spe edlevel isnot available.
These restrictions apply toall access ories
powered through acon nection tothe trailer
power socketofyour vehicle, e.g.abicycle
carrier . Towing
atrail er
Th ere arenum erouslega lreq uirem ents
conce rning the towingofatra iler, e.g.speed
rest rictions. Make surethatyour vehicle/
trailer combin ationcomplies withthelocal
requiremen tsnot only inyour areaof
residen cebut also atany location towhich
you aretrav eling. Thepolice andlocal
authorit iescan provide reliableinformation .
Please observe thefollowing whentowinga
trailer:
R To acquaint yourselfwithdrivin gwith a
trailer andwith theresultin gchang esto
handling, youshould practicecorn ering,
stoppin gand backin gup inatraf fic-free
location .
R Befor edrivin g,chec k:
- the trailer towhitch
- the safety switchfor braked trailers
- the safety chains
- the elect ricalconnection s
- the lights
- the wheels
R Adj ust the exterior mirror sto provide an
unobst ructedview ofthe rear sectionofthe
trailer.
R Ifthe trailer features electronic ally
con trolled brakes, pullaway thevehicle/
trailer combin ationcarefully, manually 216
Tr
ailer towingDriving and parking

brake
usingthebrake controller, andchec k
the brakes forcorr ectfunc tion.
R Sec ureany objec tson the trailer topreven t
the cargo fromslipping whenthevehicle is
in mot ion.
R Ifyou couple upatrailer, regularly check
the cargo forsecure fasteningand make
sure thatthetrailer lamps and(if
applicable) thetrailer brakes are
func tioningcorr ectly.
R Bear inmind thatthehandling willbeless
stable whentowingatrailer thanwhen
drivin gwithout one.Avoid sudden steering
movem ents.
R The vehicle/ trailercombin ationisheavier,
acceler atesmore slowly, hasadecreased
gradient climbingcapability andalonger
brakin gdistan ce.
It is more suscept ibletoside winds and
requires morecareful steering.
R Ifpossible, avoidabrupt braking.Depres s
the brake pedalmoderat elyatfirst ,so that
the trailer canactiv ateitsown brakes. Then
incr ease thepressure onthe brake pedal.
R Ifthe automatic transmission continues to
shift back andforthbetween twogears
when drivingup ordownhill, restrict the
shift range. Selectshiftrange 4,3,2,or 1.
Al ower gearandlower speed reduce the
risk ofengine failure.
R On long andsteep gradients thatare
difficult todrive down inshift range 1,
switch tothe off-road program orengage
the LOW GEAR off-road gear.
R When driving downhill, shifttoalower gear
to utilize theengine's brakingeffect.
Avoid continuous brakeapplication asthis
may overheat thevehicle brakesand,if
installed, thetrailer brakes.
R Ifthe coolant temperat ureincreases
dramatically whiletheair-con ditioning
system isswitched on,switch offthe air-
condit ioning system.
Coolant heatcanadditionally bedissipated
by opening thewindows andbysett ingthe blower
fanand theinterior temperat ureto
maximum.
R When overtak ing,payparticular attention
to the exten dedlength ofyour vehicle/
trailer combinat ion.
Due tothe length ofyour vehicle/t railer
combinat ion,youwillhave totravel an
additional distancebeyondthevehicle you
are overtak ingbefore returningtothe
previous lane. Deco
upling atrail er G
WA
RNI NG Ve
hicle swi th airs uspen sionprogram :While
you arecoupling ordecoupling atrailer, make
sure nobody locksorunlocks thevehicle and/
or opens orcloses doorsorthe tailgate.
The vehicle's levelcould change andyou
could endanger yourselfand/orothersasa
result.
Make surethatyoudonot operate theADS
switch orthe vehicle levelcontrolsystem
when coupling/decoupling thetrailer.
! Donot disconnec ta trailer withan
engaged overrunbrake.Otherwise, your
vehicle couldbedamaged bythe
rebounding ofthe overrun brake.
X Make surethattheautomatic transmission
is set toposition P.
X Apply thevehicle's electricparking brake.
X Start theengine.
X Close alldoors andthetailgate.
X Apply thetrailer's parkingbrake. G
WARNING Vehicles
withairsuspension program:As
soon asyou disconnec tthe electrical
conn ection between thetrailer andthe
vehicle, thevehicle willlower. Tohelp avoid
personal injury,makesurenoone isnear the
wheel housing orunderneath thevehicle
before theelectrical connection is
disconnec ted. Tr
ailer towing
217Driving and parking
Z

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

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

Opera
tingaudioplayer oraud iomedia Audio
datafrom various audiodevices or
media canbeplayed, depending onthe
equipment installed inthe vehicle.
X Switc hon COMAND andselect theaudio
device ormedium (seetheseparate
operatin ginst ruct ions).
X Press the= or; button onthe
steer ingwheel toselect the Audio menu.
CD
changer display(example)
: Current CDinthe CDchanger
; Current track
X To select thenext/pr evioustrack:
briefly pressthe9 or: button .
X To select atrack from thetrack list
(rap idscrolling): pressandhold the
9 or: button untilthedesired track
has been reached.
If you press andhold the9 or:
button ,the rapid scrollin gspeed isincr eased.
Not allaudio devices ormedia support this
func tion.
If trac kinfor mation isstor edon the audio
device ormedium, themultifun ction display
will show thenumber andname ofthe trac k.
The curren ttrack does notappear inau dio
AUX mode (Auxiliary audio mode: external
au dio source connected).
Operating videoDVD X
Switch onCOMAND andselectvide oDVD
(see thesepa rateopera tinginstructions).
X Press the= or; button onthe
steering wheelto sele ctthe Audio menu. DVD
changer display(examp le)
: Current DVDinthe DVD changer
; Current scene
X To selectthe nex torp rev ious scen e:
bri eflypre ssthe 9 or: button.
X To select as cene from thescene list
(ra pid scrolling) :pre ssand hold the
9 or: buttonu ntil the desired
sce nehasbe en rea che d. Tel
eph onemen u
In troduc tion Yo
ucan esta blish aBlu etoo th®
conne ctionto
CO MAND (see the separate opera ting
ins tructio ns). G
WA
RNING A
dri ver 'satte ntionto the roadmu stalwa ys
be his/he rprimary focuswhendriving.For
you rsafet yand thesafe tyof other s,we
rec omm endthat you pull overtoasafe
location andstop before placing ortaking a
telephone call.Ifyou choose touse the
telephone whiledriving, pleaseusethehands-
free device andonly usethetelephone when
weather, roadandtraffic conditionspermit.
Some jurisdiction sprohibit thedriver from
using amobile phonewhiledriving avehicle.
Bear inmind thatataspeed ofjust 30mph
(approximately 50km/ h),your vehic leis
cove ringadistan ceof44 feet (approxim ately
14 m)every second.
X Swit chon the mobile phoneandCOMAN D
(see theseparate operatinginst ruct ions).
X Press the= or; buttononthe
steer ingwheel toselect the Tel menu.230
Menus
andsubm enusOn-board computer and displays