2012 MERCEDES-BENZ M-Class transmission

Disp
laymessa ges Poss
iblecauses/c onseq uences and M Solu
tions h
Che
ck Tir
e Pre
ssure G
Ri
sk ofacci dent The
tire pre ssur ein on eor mor etires has dropped signific ant ly.
X Stop theveh iclewit hout makingany sudd ensteer ingor brak ing
man euve rs.P ay attentio ntothe traffic conditionsasyou doso.
X Ifnecessary, changeawheel (Ypage 374).
X Check thetire pressure. Ifnecessary, correctthe tire pressure
(Y page 359). h
Correct
Tire Pressure The
tirepressure istoo low inat least oneofthe tires orthe tire
pressure differencebetween thewheels istoo great.
X Check thetire pressures atthe next opportunit y.Ifnecessary,
correc tthe tire pressure (Ypage 359). Vehicle
Display
messages Possible
causes/conse quencesandM Solutions
Shift to 'P' or 'N'
to
Start Engine You
have attempt edtostart theengine withthetrans mission in
position Ror D.
X Shift thetrans mission toposition Por N. Auxiliary
Battery Malfunction The
auxilia rybattery forthe automatic transmission isno longer
being charged.
X Visit aquali fiedspecialist workshop atthe next opportunit y.
X Unt ilthen ,set the automatic transmission toposition Pbefore
you switch offthe engine.
X Before leaving thevehicle, applytheelectric parking brake. Apply
Brake to Shift
from'P' You
have attempt edtomove thetrans mission selector leverto
position D,Ror Nwithout depressing thebrake pedal.
X Depress thebrake pedal. Door
Open Vehicle
Notin'P' The
driver's doorisopen andthetrans mission isin position R,N
or D.
Aw arning tone also soun ds.
X Sh ift thetrans mis sion toposi tionP.
X Ap ply theelec tric park ingbrak e. Displ
aymes sages
265On-board computer and displays Z

Disp
laymessa ges Poss
iblecauses/c onseq uences and M Solu
tions Ser
viceReq uired Do Not Shi
ft Gea
rs Vis
itDealer You
cannotchange thetransmission positionduetoamalfunction.
Aw arning tone also soun ds.
If trans mis sion positionD is selec ted:
X Dr ive toaqualifi edspec ialist workshopwit hout shiftingth e
tr ans mis sion from posi tionD.
If trans mis sion positionR, Nor Pis selec ted:
X Not ifyaqualifi edspec ialist workshopor break down service. Onl
yShi ft to
'P' when Veh
icleis Sta
tionary The
vehicle ismov ing.
X Pull overand stop thevehiclesa fel yas soo naspossible ,pay ing
attent iontoroad andtraffic conditions.
X Shift thetransmission toposition P. A The
tailgate isopen.
X Close thetailgate. ? G
Risk
ofaccident The
hood isopen.
X Pull over andstop thevehicle safelyassoon aspossible ,pay ing
attent iontoroad andtraffic conditions.
X Apply theelectric parking brake.
X Close thehood. C At
least onedoor isopen.
X Close allthe doors. D
Power
Steering Malfunction
See Operator's
Manual G
Risk
ofaccident The
power steering ismalfunctioning.
You willneed touse more forcetosteer.
Aw arning tone also soun ds.
X Chec kwhether youareable toapply theextr aforce required.
X Ifyou areable tosteer safely: carefully driveontoaqual ified
specialist workshop.
X Ifyou areunable tosteer safely: donot drive on.Contact the
nearest qualified specialist workshop. 266
Display
messagesOn-board computer and displays

out).
Press theremote controlbutton again
before itstops transmitting.
R align theanten nacable ofthe garage door
opener unit.Thiscanimprove signal
reception /transmission.
Opening/cl osingthegara gedoor Once
programmed, theintegr atedgarage
door opener willassume thefunct ionofthe
garage doorsystem's remotecontrol.Please
also read theoperating instructions forthe
garage doorsystem.
X Turn theSmart Keytoposition 2in the
ignition lock.
X Press transmitterbutton ;,=or? inthe
overhead controlpanel thatyouhave
programmed tooperate thegarage door.
Garage doorsystem withafixed code:
indicator lamp:lights upgreen.
Garage doorsystem witharolling code:
indicator lamp:flashes green. i
The
trans mitterwill trans mitasignal for
as long asthe trans mitterbutton isbeing
pressed. Afteramaximum often seconds,
trans mission istermin atedandindicator
lamp :flashes yellow.Press the
transmitter buttonagain,ifnecessary .
Cle aring thememory ofthe integ rated
garage dooropeneron the rear-view
mirror X
Turn theSmartKey toposi tion 2in the
ignitio nlock.
X Press transmitterbutton s; and ?.
The indicator lamplights upyellow .
X Press andhold trans mitterbutton s;
and ?until theindicator lampturns green. i
Make
surethatyouclear thememory of
the integr atedgarage dooropener before
selling thevehicle. Compass
Calling upthe compass Infor
mation onoperating thecompass canbe
found inthe separate COMAND operating
instr uctions. Floo
rmats G
WARNIN
G Whenever
youareusing afloormat, makesure
there isenough clearance andthat the
floormat issecurely fastened.
The floormat shouldalwaysbe securely
fastened usingthefastenin gequipment .
Befor edriving off,chec kthat thefloormat is
securely inplace andadjust itifnec essary. A
loose floormat couldslipand hinder proper
func tioningofthe pedals.
Do not place several floormat son top ofeach
other asthis may impair pedalmoveme nt. Floorm
aton the driver' sside (example)
X Driver's seat/front-passenger seat:
slide therespect iveseat back.
X Rear seats: slidetherespect iveseat
forwards.
X To install: placethefloormat inthe
foot well.
X Press studs:ontoretain ers;.
X To rem ove: pullthefloormat off
retain ers;.
X Remove thefloormat . 308
Featur
esStowing and features

If
the vehicle isvery dirty, pre-wa shitbefore
cleaning itin an automa ticcar was h.
! Incar was hes with atowing mechanism,
make surethattheautoma tictransmission
is in transmission positionN, otherwis ethe
vehicle couldbedama ged.
R Vehicle swith aSmartKey:
Do not remove theSmartKey fromthe
ignition lock.Donot open thedriver's
door orfront-passenger doorwhen the
engine isswitched off.Otherwise ,the
automa tictransmission selectspark
positio nP automa ticallyand locks the
whee ls.You canprevent thisbyshifting
the automa tictransmission toN
beforeha nd.
R Vehicle swith KEYLESS- GO:
Do not open thedriver's doororfront-
passe ngerdoor when theengine is
switched off.Otherwise ,the automa tic
transmission selectsparkpositio nP
automa ticallyand locks thewhee ls.
Observe thefollo wing tomake surethatthe
automa tictransmission staysinpositio nN:
X Make surethevehicle isstationary andthe
ignition isswitched off.
X Turn theSmartKey topositio n
2 (Y page 139)inthe ignition lock.
Use theSmartKey insteadofthe Start/
Stop button onvehicle swith KEYLESS- GO.
X Depress andhold thebrake pedal.
X Shift theautoma tictransmission to
positio nN.
X Rel ease thebrake pedal.
X Rel ease theelectric parking brake.
X Switch offthe ignition andleavethe
SmartKey inthe ignition lock.
! Make surethat: R
the side window sand thesliding sunroof
are fullyclosed.
R the ventilation/hea tingisswitched off
(the OFF button hasbeen pressed ).
R the windshi eldwiperswitch isin positio n
0.
Otherwise ,the vehicle mightbedama ged.
After using anautoma ticcar was h,wip eoff
wax from thewindshi eldand thewiper
bla des. Thiswillprevent smearsandreduce
wip ing noises causedby residu eon the
windshi eld.
Washing byhand In
some countries, washing byhand isonly
all owed atspecia llyequ ippe dwas hing bays.
Observe thelega lrequi rements inall
countries concerned.
X Do not use hotwater anddonot was hthe
vehicle indirect sunlight.
X Use asoft sponge toclean.
X Use amild cleaning agent,suchasacar
shampo oapp roved byMercedes-Benz.
X Thorou ghlyhose down thevehicle witha
gentle jetofwater.
X Do not point thewater jetdirectly towards
the airinlet.
X Use plenty ofwater andrinse outthe
sponge frequently.
X Rinse thevehicle withclean water anddry
thoroughl ywith achamois.
X Do not letthe cleaning agentdryonthe
pai ntwork.
When usingthevehicle inwinter, remove all
traces ofroad saltdepos itscareful lyand as
soon aspossi ble.
Pow erwashe rs G
WARNING Do
not use powe rwasher swith circular -jet
no zzles (dirt grinders )to cle anyour vehicle,in
part icular thetir es. You couldot her wise
damage thetir es and caus ean acc iden t. Car
e
319Maintenance and care Z

Tow
ingand tow-starti ng Impo
rtant safety notes G
WA
RNING If
yo utow thevehicle, youmu stusearig id
tow ingbarif:
R the engine isnot running.
R there isabrake system malfunction.
R there isamal function inthe pow ersup ply
or the vehicl e'selectrical system .
The pow erassi stance forthe steering andthe
brake forcebooste rdo not work when the
engine isnot running. Youwillneed more
force tosteer andbrake, youmay have to
depre ssthe brake pedalwith maximu mforce.
Before towing away,make surethatthe
steering canbemoved andisnot locked.
If you tow ortow-st artanother vehicle,its
weight mustnotexceed themaximum
permissible grossvehicle weightofyour
vehicle. G
WARNING The
vehicle isbraked whentheHOLD function
or DIS TRONIC PLUSisactivated. Therefore,
deactivate HOLDandDISTRONIC PLUSifthe
vehicle isto be towed.
It is better tohave thevehicle transported
than tohave ittowed.
! You may onlytowthevehicle amaximum
distance of30 miles (50km). Atowing
speed of30 mph (50km/ h)must notbe
exceeded.
For towing distances over30miles
(50 km), thevehicle mustloaded ontoa
trans porter.
! Make surethattheelectric parking brake
is released. Ifthe electric parking brakeis
faulty, visitaquali fiedspecialist workshop.
! Only secure thetow rope ortow baratthe
towing eyes.Otherwise, thevehicle could
be damaged. !
Donot use thetowing eyeforrecovery,
as this could damage thevehicle. Ifin
doubt, recover thevehicle withacrane.
! When towing, pullaway slowly and
smoothly. Ifthe tract ivepower istoo high,
the vehicles couldbedamaged.
! Donot tow with sling-t ypeequipment.
This could damage thevehicle.
! When towing vehicles withKEYLE SS-GO,
use thekey instead ofthe Start /Stop
button .Othe rwise, the automa tic
tra nsmi ssion mayshi ftto positio nP wh en
the driver 'sor fro nt-pa ssenge rdo or are
op ene d,wh ich cou ldlead todama getothe
tra nsmi ssion.
! Vehicle swi th diffe renti allocks: make
su re tha tthe differential locksarein
automatic mode.Whentowing, the
differential locksmustnotbeswitched on
by hand. Thiscould otherwise damagethe
transmission.
If the vehicle hassuffered transmission
damage, haveittransport edon atransport er
or trailer.
The automatic transmission mustbein
position Nwhen thevehicle isbeing towed.
The battery mustbeconn ected andcharged.
Otherwise, you:
R cannot turntheSmartK eytoposition 2in
the ignition lock
R cannot shifttheautomatic transmission to
position N i
Before
thevehicle istowed, switchoffthe
automatic lockingfeature(Ypage 235).
You could otherwise belocked outwhen
pushing ortowing thevehicle. Installing/
removingthetowing eye
Installing thetowing eye Vehicles
withatrailer towhitch: ifpossible,
secure thetowing deviceonthe trailer tow
hitch (Ypage 210). Towing
andtow-star ting
343Breakdown assistance Z

X
Remo vetheto win geye require dfor fron tal
or rear couplin gfrom theveh icleto ol kit
(Y page 328).
The moun ting sfor therem ovabletowin geyes
are locate din thebump ers.They areatthe
front andatthe rear, under thecovers. i
Observe
theidentification labelson the
towing eyesandtheinformation panelson
using thetowing eyeswiththevehicle. The
towing eyesmust beinstalled inthe correct
positions. Installthe longer towing eyeat
the front ofthe vehicle andtheshorter
towing eyeatthe back. X
To open thecover atthe front: press
cover :inwards inthe direction ofthe
arrow atthe marking.
X To open thecover atthe rear: insert a
flat, blunt object intothecutout andlever
off cover ;from thebumper.
X Take cover :or; offthe opening.
X Screw thetowing eyeinclockwise tothe
stop andtighten it.
Removing thetowing eye X
Loosen thetowing eyeand unscrew it.
X Att ach cover :or; tothe bumper and
press untilitengages.
X Place thetowing eyeinthe vehicle toolkit. Towing
avehicle withboth axles on
th egrou nd
When havingyour vehicletowed, obser vethe
impor tantsafe tyno tes(Y page 343). G
WAR
NING The
power assistancefor thest eerin gand the
brak efor ce boos terdonot work when the
eng ineisnot running.You willthen nee d
muc hmor eeff ort tobrak eand steer the
veh icle.Adapt yourstyle ofdriving
accor dingly.
The automatic transmission automatic ally
shift sto position Pwhen youopen thedriver's
or fron t-passenger doororwhen youremov e
the Smart Keyfrom theignit ionlock .In order
to ensure thattheautomatic transmission
stays inposition Nwhen towing thevehicle,
you must observe thefollowing points:
X Make surethatthevehicle isstat ionary and
the Smart Keyinthe ignit ionlock isin
position 0.
X Turn theSmart Keytoposition 2in the
ignit ionlock .
On vehicles withKEYL ESS-GO, usethekey
inst ead ofthe Start/ Stop butto n
(Y page 139).
X Depres sand hold thebrake pedal.
X Shift theautomatic transmission to
position N.
X Release thebrake pedal.
X Release theelect ricparkin gbrake.
X Switc hon the hazard warning lamps
(Y page 111).
X Leave theSmart Keyinposition 2in the
ignit ionlock . i
When
towing withthehazard warning
lamps switchedon, use thecombin ation
switch asusual tosignal achang eof
direct ion.Inthis case, onlytheturn signals
for the desired directionflash. When the
combin ationswitch isreset ,the hazard
warning lampsstartflashing again. 344
Towing
andtow-st artingBreakdown assistance

Trans
portingthe vehic le
The towingeyes ortra iler tow hitch can be
us ed topullthe vehicleonto atra iler or
tra nsp orte rif yo uwi sh totra nsp ortit.
X Tu rn the Sma rtKeyto positio n2 in the
ig niti onlock.
X Shi ftthe automa tictransmi ssion to
po sitio nN.
As soon asthe vehic leisloade d:
X Pre vent thevehiclefro mr olling awayby
apply ingthe electric parking brake.
X Shift theautomatic transmission to
position P.
X Turn theSmart Keytoposition 0in the
ignition lockandremove theSmart Key
from theignition lock.
X Secure thevehicle.
! Only lashthevehicle downbythe wheels
or wheel rims,notbyparts ofthe vehicle
such asaxle orsteerin gcompon ents.
Otherwise, thevehicle couldbedamaged. Notes
for4MATIC vehicles
! Vehicles with4MATIC mustnotbetowed
with either thefront orthe rear axle raised,
as doing sowill damage thetrans mission.
If the vehicle hastrans mission damage or
damage tothe front orrear axle, have it
trans ported onatrans porter ortrailer.
In the event ofdam agetothe electrical
system
If the battery isdefectiv e,the automatic
trans mission willbelocked inposition P.To
shift theautomatic transmission toposition
N, you must provide powertothe vehicle's
electric alsystem inthe same wayaswhen
jump-st arting(Ypage 341).
Have thevehicle transported onatrans porter
or trailer. Recovering
avehicle that ha sbecome
stu ck
! Pull away smoothly, slowly, andina
st raigh tline when pulling outavehic lethat
has beco mestuck .Ex cess ivetract ive
power coulddamage thevehic les.
If the drive wheels havebecomestuck in
loose ormuddy ground,pull thevehic leout
with extreme caution,particularly ifit is
laden.
Neve rattemp ttorecover astuck vehicle with
a trailer attached.
Pull outthevehicle backwards, ifpossible
using thetrack sit made whenitbecame
stuck . Tow-star
ting(emergency starting)
! Vehicles withautomatic transmission
must notbestart edbytow-st arting. This
could otherwise damagethetrans mission. Fuses
Import
antsafety notes G
WARNIN
G Only
usefuses thathave been approved for
Mercedes-B enzvehicles andthat have the
correc tfuse rating forthe systems
conc erned. Donot attempt torepair orbridge
faulty fuses. Usingfusesthathave notbeen
approved orattempt ingtorepair orbridge
faulty fusescould cause thefuse tobe
overloaded andresult inaf ire. Have thecause
tr aced andrectified ataqualified specialist
work shop.
The fuses inyour vehic leserv eto clos edown
faulty circuits. Ifaf use blows ,all the
co mpo nentson thecir cuit andtheir fun ction s
st op oper ating.
Blo wn fuse smust berep lace dwithfuses of
the same rating, which youcan recogn izeby Fuses
345Breakdown assistance Z