2012 MERCEDES-BENZ M-Class lock

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

Disp
laymessa ges Poss
iblecauses/c onseq uences and M Solu
tions +
Key
NotDetected (re
ddisp laymes sage ) The
KEYLE SS-GO keyis no tin theveh icle.
Aw arning tone also soun ds.
If th een gin eis swit ched off,you can nolonger lockthe vehicle
cent rally orstart theengine.
X Pull over andstop thevehicle safelyassoon aspossible, paying
attent iontoroad andtraffic condition s.
X Apply theelectric parking brake.
X Locate theKEYLE SS-GO key. The
KEYLE SS-GO key isnot detect edwhile theengine isrunning
because thereisinterfer encefromastron gsource ofradio waves.
Aw arning tone also soun ds.
X Pull overand stop thevehiclesa fel yas soo naspossible ,pay ing
attent iontoroad andtraffic conditions.
X Engage theelectric parking brake.
X Operate thevehicle withtheSmartKey inthe ignition lock. +
Key
NotDetected (White
display
message) The
KEYLES S-GOkeycannot bedetected atpresent.
X Change thelocation ofthe key with theKEYLES S-GOfunction s
in the vehicle.
If the KEYLES S-GOkeyisstill notdetected:
X Operate thevehicle withtheSmartKey inthe ignition lock. +
Key
Detected in Vehicle The
KEYLES S-GOkeyhas been detected insidethevehicle during
locking.
X Remove theKEYLES S-GOkeyfrom thevehicle. +
Remove
'Start' Button
andInsert Key KEYLES
S-GOistemporarily malfunctioning orisdefective. A
warning tonealsosounds.
X Insert theSmartKey intotheignition lockandturn itto the
desired position.
X Visit aqual ified speciali stworkshop. +
Close
Doorsto Lock
Vehicle At
least onedoor isopen. Awarning tone also soun ds.
X Close alldoor sand lockthe vehicle again. 268
Display
messagesOn-board computer and displays

Problem Possible
causes/co nsequences andM Solutions
!
The
yello wABS warning
lamp islit while the
engine isrunning. G
Risk
ofaccident ABS
(Anti-lock Brake System) isdeactivated duetoamalfunction .
BAS (Brake Assist), BASPLUS, ESP®
(Electr onicStability
Program), PRE-SAFE®
,PRE-SA FE®
Brake, theHOLD function,hill
start assist andESP®
trailer stabilization aretherefore also
deactivated, forexample.
The brake system continues tofunct ionnormally, butwithout the
funct ionslisted above. Thewheels couldtherefore lockifyou
brake hard,forexample.
ATTENTI ONASS ISTisdeactivated.
X Observe theadditional displaymessages inthe multifunct ion
display .
X Drive oncarefully.
X Visit aqual ified specialist workshop.
If the ABS controlunit isfaulty, thereisalso apossibili tythat other
systems, suchasthe navigation systemorthe automatic
transm ission,willnotbeavaila ble. !
The
yello wABS warning
lamp islit while the
engine isrunning. G
Risk
ofaccident ABS
istemporarily unavailable.BAS,BAS PLUS, ESP®
,EBD
(electronic brakeforcedistribution), PRE-SAFE®
,
PRE-SA FE®
Brake, theHOLD function,hillstart assist and
ESP ®
trailer stabilization aretherefore alsodeactivated, for
example.
Self diagnosis isnot yetcomplete orthe on-board voltagemaybe
insufficient ,for example.
The brake system continues tofunct ionnormally, butwithout the
funct ionslisted above. Thewheels couldtherefore lockifyou
brake hard,forexample.
ATTENTI ONASS ISTisdeactivated.
X Carefull ydrive asuitable distance makingslightsteering
movement sat aspeed above12mph (20km/ h).
The funct ionsment ioned above areavaila bleagain whenthe
warning lampgoesout.
If the warning lampisstill on:
X Observe theadditional displaymessages inthe multifunct ion
display .
X Drive oncarefully.
X Visit aqual ified specialist workshop. 272
War
ning andindicator lampsin the instrum entclusterOn-board computer and displays

Problem Possible
causes/co nsequences andM Solutions
!
The
yello wABS warning
lamp islit while the
engine isrunning. A
warning tonealso
sounds. G
Risk
ofaccident EBD
isfaulty. Therefore, BAS,BAS PLU S,ESP ®
,PR E-SAFE ®
,PR E-
SAFE ®
Bra ke, the HOLD functio n,hillsta rtas sist and ESP®
tra iler
sta bilizati onarealso una vailab le,for exa mpl e.
The brakesystem continuestofunct ionnormally, butwithout the
funct ionslisted above. Thewheels couldtherefor elock ifyou
brake hard,forexample.
ATTE NTION ASSISTisdeactivated.
X Observe theadditional displaymessages inthe multifunct ion
display .
X Drive oncarefully.
X Visit aquali fiedspecialist workshop. $
(USAonly)
J (Canada only)
֌!
The redbrake warning
lamp, theyellow ESP®
and ESP®
OFF warning
lamps andtheyellow
ABS warning lampare
lit while theengine is
runnin g. G
Risk
ofaccident ABS
andESP®
are faulty. Therefore, BAS,BAS PLUS, EBD,PRE-
SAF E®
,PRE-S AFE®
Brake, theHOLD function,hillstart assist and
ESP ®
trailer stabilization arealso unavailab ledue toa
malfunct ion,forexample.
The brake system continues tofunct ionnormally, butwithout the
funct ionslisted above. Thewheels couldtherefor elock ifyou
brake hard,forexample.
ATTE NTION ASSISTisdeactivated.
X Observe theadditional displaymessages inthe multifunct ion
display .
X Drive oncarefully.
X Visit aquali fiedspecialist workshop. ÷
The
yellow ESP®
warning lampflashes
while thevehicle isin
motion . G
Risk
ofaccident ESP
®
or tract ioncont rolhas interv enedbecause thereisarisk of
skidding oratleast onewheel hasstart edtospin.
Cruise controlorDIS TRONIC PLUSisdeactivated.
X Only depress theaccelerator pedalasfar asnecessary when
pulling away.
X Ease offthe accelerator pedalwhilethevehicle isin motion .
X Adapt yourdriving styletosuit theroad andweather conditions.
X Do not deactivate ESP®
.
Ex ception s:(Y page 63). War
ning andindicator lampsin the instru mentcluster
273On-board computer and displays Z

Problem Possible
causes/co nsequences andM Solutions
֌
The
yello wESP ®
and
ESP ®
OFF warning
lamps arelitwhile the
engine isrunning. G
Risk
ofaccident ESP
®
,BAS ,PRE-SA FE®
,the HOLD function,hillstart assist and
ESP ®
trailer stabilization aretemporarily unavailable.
BAS PLUS andPRE-SA FE®
Brake mayalsohave failed.
ESP ®
will notstabilize thevehicle ifit starts toskid orifawheel
starts tospin.
Self diagnosis isnot yetcomplete.
The brake system continues tofunct ionnormally, butwithout the
funct ionslisted above. Thewheels couldtherefore lockifyou
brake hard,forexample.
ATTENTI ONASS ISTisdeactivated.
X Carefull ydrive asuitable distance makingslightsteering
movement sat aspeed above12mph (20km/ h).
The funct ionsment ioned above areavaila bleagain whenthe
warning lampgoesout.
If the warning lampisstill on:
X Observe theadditional displaymessages inthe multifunct ion
display .
X Drive oncarefully.
X Visit aqual ified specialist workshop. $
(USAonly)
! (Canada only)
The redindicator lamp
for the electric parking
brake flashes and/or
the yello w
!
warning lampforthe
electric parking brake
lights up. The
electric parking brakeistemporarily malfunctioningor
defective.
X Observe theadditional displaymessages inthe multifunct ion
display . 6
The
redSRS warning
lamp islit while the
engine isrunning. G
Risk
ofinjury The
restraint systemsaremalfunction ing.Theairbags orETDs
may either betriggered unintentionally or,inthe event ofan
accident, notbetriggered atall.
X Drive oncarefully.
X Visit aqual ified specialist workshop immediately. War
ning andindicator lampsin the instrum entcluster
275On-board computer and displays Z

Problem Possible
causes/co nsequences andM Solutions
?
The
redcoolant
warning lampcomes on
while theengine is
running. The
coolant levelistoo low.
If the coolant leveliscorrec t,the airflow tothe engine radiator
may beblocked orthe electric engineradiator fanmay be
malfunction ing.
The coolant istoo hotand theengine isno longer beingcooled
sufficiently.
X Observe theadditional displaymessages inthe multifunct ion
display .
X Pull over andstop thevehicle safelyandswitch offthe engine,
payi ngatten tiontoroad andtraffic condition s.
X Allow theengine andcoolant tocool.
X Check thecoolant levelandadd coolant (Ypage 315). Observe
the warning notes.
X Ifyou need toadd coolant moreoften thanusual,have the
engine coolant systemchecked.
X Make surethattheairsupply tothe engine radiator isnot
blocked, e.g.bysnow, slushorice.
X At coolant temperatures under248‡(120 †),drive tothe next
qualified specialist workshop.
X Avo idsubjec tingthe engin etoheavy loads, e.g.driving in
mountainous terrain,andstop- and-go traffic. ?
The
redcoolant
warning lampcomes on
while theengine is
runnin g.Awarning tone
also sounds. The
coolant temperat urehas exceeded 248‡(120 †).The
airflow tothe engine radiator maybeblocked orthe coolant level
may betoo low.
The engine isnot being cooled sufficient lyand may bedamaged.
X Observe theadditional displaymessages inthe multifunct ion
display .
X Pull over andstop thevehicle safelyandswitch offthe engine,
paying attentiontoroad andtraffic conditions.
X Allow theengine andcoolant tocool.
X Check thecoolant levelandadd coolant (Ypage 315). Observe
the warning notes.
X Ifyou need toadd coolant moreoften thanusual ,have the
en gin eco olan tsyst em checke d.
X Mak esur eth at theair supp lyto theen gin eradi ator isno t
bloc ked, e.g. by snow, slushor ice .
X At coolan ttemperatures under248‡(120 †),drive tothe next
qualified specialist workshop.
X Avo idsubjec tingthe engin etoheavy loads, e.g.driving in
mountainous terrain,andstop- and-go traffic. 278
War
ning andindicator lampsin the instru mentclusterOn-board computer and displays

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). Loading
guidelines G
WARN
ING Always
fastenitems being carriedas secur ely
as possi ble. Use cargotie-do wn rings and
fa ste ning materi alsap pro priate forthe weight
and size ofthe load .
In an acc ident, durin gh ard brak ingorsudden
man euver s,loos eite ms will bethrown aroun d
ins ide theveh icle.This can cause injuryto
vehicle occupants unlesstheitems are
securely fastened inthe vehicle.
To help avoid personal injuryduring acollision
or sudden maneuver, exercisecarewhen
transport ingcargo. Donot pile luggag eor
cargo higher thantheseat backrests.
The cargo compartmen tist he preferred place
to carry object s.Always usecargo tie-down
rings, andifso equipp ed,alwa ysuse thecargo
net when transport ingcargo.
Never driveavehicle withthetailgate open.
Deadly carbon monoxide (CO)gases may
enter vehicle interior resulting in
unconsc iousness anddeath.
The gross vehicle weight(GVW)isthe vehicle
weight including fuel,vehicle toolkit,spare
wheel, installed accessories, vehicle
occupants andlugga ge/cargo.
The gross loadlimit andthegross vehicle
weight rating(GVWR) foryour vehicle must never
beexceeded. Thegross loadlimit and
the GVWR arespecified onthe vehicle
identification plateonthe B-pillar ofthe
driver's door(Ypage 362).
The load must alsobedistributed sothat the
weight oneach axlenever exceeds thegross
axle weight rating(GAWR) forthe front and
rear axles. Thespecifications forGVWR and
GAWR areonthe vehicle identification plate
on the B-pillar ofthe driver's door
(Y page 362).
Further information canbefound inthe
"Loadi ngthe vehicle" section(Ypage 362).
The handling characterist icsofaladen
vehicle aredependent onthe distribution of
the load within thevehicle. Forthis reason,
you should observe thefollowing noteswhen
transport ingaload:
R position heavyloadsasfar forwards as
possible andaslow down inthe cargo
compartmen taspossible .
R the load must notprotrude abovetheupper
edge ofthe seat backrests.
R alwa ysplace theload againstthe rear or
front seatbackrests. Makesurethatthe
seat backrests aresecurely lockedinto
place.
R hook inthe cargo netwhen loading.
R alwa ysplace theload behind unoccupied
seats ifpossible .
R secure theload withsufficiently strongand
wear-resistant tiedown. padsharp edges
for protect ion. Stowage
areas Stowage
compartments
Importa ntsafety notes G
WARNING To
help avoid personal injuryduring acollision
or sudden maneuver, exercisecarewhen
storing objects inthe vehicle. Putlugga geor
cargo inthe cargo compartment ifpossible . 284
Stowage
areasStowing and features

Do
not pile lugga georcar gohighe rthan the
seat backrests.
If so equipp ed,alwa ysuse thecargo netwhen
transport ingcargo. Thecargo netcannot
secure hardorheavy objects.
Parcel netscannot securehardorheavy
object s.
Keep compartmen tlids clos ed.This willhelp
to prev entstored obje ctsfro mbeing thrown
about andinjuring vehicleocc upant sdurin g
R brak ing
R vehic lemane uvers
R an acc ident
Stowa gecomp artm ents inthefront Glove
box i
The
glove boxcanbecoole d
(Y page 134). X
To open: pullhandle :and open glove box
flap ;.
X To close: foldglove boxflap ;upwards
unt ilit engag es.
The glove boxcanonly belock edand
unloc kedusing themec hanic alkey. 1
Glove boxunloc ked
2 Glove boxlocked
Ap artition for stowin gflat object sis loc ate d
in theupper sectionof theglov ebox .It can
be rem ovedto inc reas eth est owage spacein
th eglov ebox . X
To rem ove: pulloutpart ition : forwards
X To inst all:insert part ition : and push it
back untilit en gages .
Eyegla ssescomp artm ent X
To open :pres smar king:. St
owage areas
285Stowing and features Z