2012 MERCEDES-BENZ M-Class wheel

In
this situa tion, ESP®
assi stsyou and can
detect ifthe vehicle /trailer combination
begi nstolurch. ESP®
slow sthe vehicle down
by braking andlimiting theengine outputuntil
the vehicle/tra iler comb inationh as
st abiliz ed.
Trail erstabiliz ationisactive fromaspeed of
approximately 37mph(60 km/h). G
WARNING The
system willnotbeable toassist whenthe
trailer jackknifes
R ifthe ESP ®
has switched offdue toa
malfunction
R on wet oricy roads
R on roads withslippery surface
R in sand orgravel
Trailers withahigh centerofgravity maytip
over before thesystem recognizes swayingof
the trailer.
Traile rstab iliza tiond oes notwork ifESP ®
is
deactivated ordisabled becauseofa
malfunct ion. EBD
(elec tronic brake force
distr ibution) i
Observe
the"Important safetynotes"
section (Ypage 61).
EBD monit orsand cont rolsthebrake
pressure onthe rear wheels toimprove
driving stability whilebraking. G
WARNIN
G If
EBD hasmalfunct ioned,thebraking system
remains availablewith fullbrake boosting
effect .However, therear wheels canstilllock,
e.g. under fullbraking. Thiscould cause you
to lose controlofyour vehicle andcause an
accident .You should therefor eadapt your
driving styletothe different handling
character istics. X
Observe thenoteson warning andindicator
lamps (Ypage 272)aswell asdisplay
messages (Ypage 241). ADA
PTIVE BRAKE
AD APTIVE BRAKEenhancesbraking safety
and offers increased brakingcomfort.In
addition tothe braking function,ADAPTIVE
BRAKE alsohastheHOLD function
(Y page 179)andhillstart assist
(Y page 142). Forfurther informat ion,see
Drivin gtips (Ypage 159). PRE-SAFE
®
Br ake
PRE-S AFE®
Brake isonly availa bleinvehicles
with DISTRONIC PLUS. i
Observe
the"Important safetynotes"
section (Ypage 61).
PRE-S AFE®
Brake canhelp youtominimize
the risk ofafront alcollision withavehicle
ahead orreduce theeffect sofsuch a
co llisio n.IfPRE -SAF E®
Br ake hasdetecteda
ris ko fcollision, youwillbewarned visually
and acoustically aswell asby automatic
braking. PRE-SAFE®
Brake cannotprevent a
collision withoutyourintervention.
At speeds aboveapproximately
20 mph (30km/ h),this funct ionwarns you
when youarerapidly approaching thevehicle
in front .An interm ittentwarning tonewill
then sound andthe· distance warning
lamp inthe instr ument cluster willlight up.
X Brake immediately inorder toincrease the
distance fromthevehicle infront .
or
X Take evasive actionprovided itis safe todo
so. Driving
safetysystems
65Safety Z

G
WARNING PRE-SAFE
®
Brake cannot alwaysdetect
comple xtraffic situations prope rly.
In these cases, PRE-SAFE(R) Brakemay:
R give anunnecessa rywarni ngand then
brake thevehicl e
R neither giveawarni ngnor intervene
There isarisk ofan accide nt.Alwa yspay
particu larattention tothe traffic situationand
be read yto brake, especiallyif PRE-SAFE(R)
Brake warns you.Termina tethe intervention
in anon-critical drivingsitua tion.
In particu lar,the detection ofobstacl escan
be impa iredifthere is:
R dirt onthe sensors oranythi ngelse
covering thesensors
R snow orheavy rain
R interference byother radarsources
R the possibility ofstron gradar reflect ions,
for example inparking garages
R anarrow vehicle traveling infront ,e.g. a
motorbik e
R avehicle traveling infront onadifferent line G
WARNIN
G PRE-S
AFE®
Brake doesnotreact:
R to people oranimals
R to oncom ingvehicles
R to crossin gtraffic
R in curves
As aresult, PRE-SAFE®
Brake cannot
interv eneincritic alsituations. Thereisarisk
of an accident .Always paycaref ulatt ent ion
to the traffic situat ionand beready tobrak e.
In order tomaint ainthe appropr iatedistance
to the vehic lein fro ntand thus preventa
collisio n,you must apply thebrak esyourself .X
To act ivat e/deact ivate:act ivate or
deact ivatePRE-SAFE®
Brak ein the on-
board computer (Ypage 232).
The Ä symbol appears inthe
multif unction display aslong asthe HOL D
func tion isnot activate d(Ypage 179).
On vehicles withActive Parkin gAssist ,the
Ä symbol isdisplayed when
tran smission positionPis select edorifyou
drive faster than22mph(35 km/h).
For PRE-S AFE®
Brak eto assist youwhen
drivin g,the radar senso rsyst em mus tbe
switched on(Ypage 236)andoperational.
Following damagetothe front endofthe
vehicle, havetheconfiguration andoperation
of the radar sensors checked ataqual ified
speciali stworkshop. Thisalso appli esto
collisions atlow speeds wherethereisno
visible damage tothe front ofthe vehicle. STEER
CONTROL
The steering assistant STEERCONTROL helps
you bytransmitt inganoticeable steering
force tothe steering wheelinthe direction
required forvehicle stabilization.
This steering assistance isprovided in
particular if:
R both right wheels orboth leftwheels areon
a wet orslippe ryroad surface whenyou
brake
R the vehicle startstoskid
You have controlover thesteering atall
times. G
WARNING If
the ESP ®
is malfunctioning, youwillnot
receive steering assistance fromtheSTEE R
CONTROL. Thepower steering function,
however, remainsavailable. Driving
safetysystems
67Safety 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). Sma
rtKey Impor
tant safet ynotes G
WARN
ING When
leaving thevehicle, alwaysremovethe
Smart Keyfrom theignit ionlock .Always take
the Smart Keywith youand lock thevehicle.
Do not leave children unsuperv isedinthe
vehicle, evenifthey aresecured inachild
rest raint system ,and donot give them acces s
to an unlock edvehicle. Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function.
If children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very hot,
andachild could beburned onthese
parts. G
WARNING If
akey ring istoo heavy ortoo large, the
weight actingonthe key could cause itto turn
in the ignition lockorcatch onthe steering
wheel. Thiscould cause theengine tobe
switched offsuddenly. Youcould losecontrol
of the vehicle andcause anaccident. Donot
attach anyheavy orlarge keyrings tothe key
that isinserted inthe ignition. General
notes
If you cannot lockorunlock thevehicle with
the SmartK ey,either thebattery inthe
SmartK eyisdischarged, theSmartK eyis
faulty orthe starter battery isdischarged.
X Check thebattery inthe SmartK eyand
replace itifnecessary (Ypage 76).
X Unlock thedriver's doorusing the
mechanical key(Ypage 80).
X Lock thevehicle usingthemechanical key
(Y page 80).
X Have thestarter battery andthebattery
cont acts check edataqual ified specialist
workshop.
If the SmartK eyisfaulty, contactRoadsi de
Assistanc eor aqual ified specialist workshop. Smar
tKeyfunctions
General notes i
USA
only:
This device complies withPart15ofthe
FCC Rules. Operation issubject tothe
following twocondition s:
1. This device maynotcause harmful
interfer ence,and
2. this device mustaccept anyinterfer ence
received, includinginterferencethatmay
cause undesired operation. 72
Smar
tKeyOpening/closing

Problem Possible
causes/co nsequences andM Solutions
The
engine cannot be
started usingthe
SmartK ey. The
on-board voltageistoo low.
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 338).
or
X Jump-start thevehicle (Ypage 341).
or
X Consult aqual ified specialist workshop. The
engine cannot be
started usingKEYLE SS-
GO. TheSmartK eyisin
the vehicle. Ad
oor isopen. Therefore, theSmart Keycann otbe detect edas
easily .
X Close thedoor andtrytostart thevehicle again. There
isinter ferenc efrom apowerful sourceofradio waves.
X Start yourvehicle withtheSmart Keyinthe ignition lock. Doors
Import
antsafety notes G
WARNIN
G When
leaving thevehicle, alwaysremove the
Smart Keyfrom theignition lock.Always take
the Smart Keywith youand lock thevehicle.
Do not leave children unsupervised inthe
vehicle, evenifthey aresecured inachild
restraint system,anddonot give them access
to an unlocked vehicle.Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function. If
children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very
hot, andachild could beburned onthese
parts. G
WARNING Do
not carry heavy orhard object sin the
passenger compartmen tor cargo
compartmen tunle ssthey arefirmly secu red
in place .
Unse curedorimp roperlypo sitio ned cargo
incre ases achi ld's ris kof inju ryinthe event
of
R stro ngbra king maneu vers
R sudd en cha nges ofdirecti on
R an acci dent 78
Do
orsOpening/closing

Unlocking
andopening doorsfrom
the inside
You canopen adoor from inside thevehicle
even ifit has been locked.You canonly open
the rear doors frominside thevehicle ifthey
are not secured bythe child- proof locks
(Y page 59).
Only open thedoor when thetrafficsituation
permit s.
If the vehicle waspreviously lockedwith the
Smar tKeyorwith KEYL ESS-GO, openin gthe
vehicle fromtheinside willactiv atethe anti-
thef talarm system .Switc hoff the alarm
(Y page 68). X
Pull door handle ;.
If the door islock ed,lock ingknob : pops
up. The door isunlock edand canbe
opened. Centra
llylocking andunlocking the
vehicle fromtheinside
You cancentrally lockorunlock thevehicle
from theinside.
The central lock ing/ unlock ingbutt ondoes
not lock orunlock thefuel filler flap.
The buttons arelocate don both frontdoors. i
You
cann otunlock thevehicle centrally
from theinside ifthe vehicle hasbeen
locked withtheSmart KeyorKEYLE SS-GO. i
It
is only possible tolock thevehicle
cent rally ifthe front -passenger dooris
closed. X
To unlock: pressbutton :.
X To lock: press button ;.
If all the doors andthetailgate areclosed,
the vehicle locks.
You canopen afront doorfrom inside the
vehicle evenifit has been locked. Onlyopen
the door when thetraffic situation permits.
If the vehicle hasbeen locked withthecent ral
lockin gbutton :
R and theSmart Keyisset toits factor y
sett ing, theentire vehicle isunlocked ifa
front doorisopened fromtheinside
R and theSmart Keyisset toan individual
sett ing, only thefront doorthatisopened
from inside thevehicle isunlocked.
If the vehicle hasbeen locked centrally with
the Smart Keyorwith KEYLE SS-GO, itis not
unlocked whentherelease buttonforthe
cent rallockin gis used. Automa
ticlocking feature
The vehicle locksautomatically whenthe
ignition isswitched onand thewheels ofthe
vehicle areturnin gat as peed ofmore than
9 mph (15km/ h).
You could therefore belock edout when:
R the vehicle isbeing pushed.
R the vehicle isbeing towed.
R the vehicle isbeing testedon a
dynamomet er. Doors
79Opening/closing Z

i
If
you lock thevehicle asdescribe dabove ,
the fuel filler flap isnot locked. Theanti-
theft alarm system isnot armed. Cargo
compartment Important
safetynotes
Do not leavethe SmartKey inthe cargo
compartment. Youcould otherwis elock
you rself out. G
WARNING When
leaving thevehicle ,alw aysremove the
SmartKey fromtheignition lock.Alway stake
the SmartKey withyouand lock thevehicle .
Do not leavechildre nunsu pervised inthe
veh icle, eve nifthey aresecured inachild
restraint system,anddonot give them access
to an unlocked vehicle.Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function.
If children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very
hot, andachild could beburned onthese
parts. G
WARNING Do
not carry heavy orhard object sin the
passenger compartmen tor cargo compartmen
tunle ssthey arefirmly secu red
in place .
Unse curedorimp roperlypo sitio ned cargo
incre ases achi ld's ris kof inju ryinthe event
of
R stro ngbra king maneu vers
R sudd en cha nges ofdirecti on
R an acci dent G
WAR
NING Ma
kesure the tailgate isclo sed when the
engi neisrunning andwhiled riving. Among
other dange rs,dea dlycarbon monoxide (CO)
gase smay enter vehicleinterior resultingin
unconsciou snessanddeath.
! The tailgate swings upwards andtothe
rear when opened .Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
To open thetailgate completely, aminimum
clearance of7.20 ft(2.20 m)above the
gro und isneces sary.
Fo rv ehicles withoutEASY-PACK tailgat e
you can:
R open andcloseth etailg ateman ually from
outs ide
R unloc kthe tailgate frominside withthe
emergency release
For vehicle swith EASY -PACK tailgate you
can:
R close thetailgate manually fromoutside
R open andclose thetailgate automatically
from outside
R open andclose thetailgate automatically
from inside
R limit theopening angleofthe tailgate
R unlock thetailgate frominside withthe
emergency release Cargo
compar tment
81Opening/closing Z

Useful
information.............................. 94
Correct driver's seatposition ............ 94
Seats .................................................... 95
Steering wheel.................................. 100
Mirr ors............................................... 103
Memor yfunction .............................. 105 93Seats, steering wheel and mirrors

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). Correct
driver's seatposition Observ
ethe safet yguidelines onseat
adjust ment(Ypage 95).
X Check whether youhave adjust edseat =
properly.
Elec tricalseat adjust ment(Ypage 96)
When adjustingthe seat, make sure:
R you areasfar away fromthedriver' sair
bag aspossible.
R you aresitting inanor mal upright
position .
R you can faste nthe seat beltproperly. R
you have moved thebackrest toan
almost vertical position.
R you have setthe seat cushion angleso
that your thighs aregently supported.
R you can depress thepedals properly.
X Check whether thehead restraint is
adjusted properly(Ypage 97).
When doingso,make surethatyouhave
adjusted thehead restraint sothat theback
of your head issupported ateye level by
the cent erofthe head restraint .Also mak e
sure thatthehead restraint 'sfor e/af t
posit ionisadjust edsothat thehead
rest raint isnot too farfromt heback ofyour
head.
Observe thesafety guidelinesonsteering
wheel adjustment (Ypage 100).
X Check whether steeringwheel:is
adjusted properly.
Adjustin gthe steering wheelmanually
(Y page 101)
Adjustin gthe steering wheelelectrically
(Y page 101)
When adjusting thesteering wheel,make
sure:
R you can hold thesteering wheelwithyour
arms slightly bent.
R you can move yourlegsfreely.
R you can seeallthe displa ysinthe
instrumen tcluste rclearly.
Obser vethe safet yguideline sfor seat belts
(Y page 49).
X Check whetheryou have fastened seat
belt ;proper ly(Y page 51).
The seat beltshould:
R fit snug lyacro ssyour body
R be rout edacro ssthe middle ofyour
shoulder
R be rout edinyour pelvic areaacrossthe
hip joints
X Bef ore start ing off,adjust therear- view
mirr orand theexterior mirrors 94
Corr
ectdriver' sseat posit ionSeats, steering wheel and mirrors