2012 MERCEDES-BENZ M-Class fluid

G
WARNING Driving
whenyourengi ne isove rheatedcan causesom efluids which mayhave leaked intothe
engin ecom partmen ttocatch fire.Youcould beseriously burned.
Steam fromanoverheated enginecancause serious burnswhich canoccur justbyopening the
engine hood.Stayaway fromtheengine ifyou seeorhear steam coming fromit.
Stop thevehicle inasafe location awayfromother traffic.Turn offthe engine, getout ofthe
vehicle anddonot stand nearthevehicle untiltheengine hascooled down.
! Ifthe coolant temperature exceeds248‡(120 †)donot cont inue driving. Theengine will
otherwise bedamaged. Driving
systems Problem Possible
causes/cons equencesandM Solutions
·
The
reddistance
warning lamplights up
while thevehicle isin
motion .A warning tone
also sounds. G
Risk
ofaccident The
warning isissued ifyou approach astation aryvehicle ora
vehicle drivingaheadofyou attoo high aspeed.
X Be prepared tobrake immediately.
X Pay careful attentiontothe traffic situation. Youmay have to
brake ortake evasive action.
More informat ionabout DISTRONIC PLUS(Ypage 169)and
PRE-S AFE®
Brake (Ypage 65). War
ning andindicator lampsin the instru mentcluster
279On-board computer and displays Z

Socket
inthe cargo compar tment X
Lift upthe cover ofsocket :. 115
Vpower socket G
WAR
NING The
115V AC soc ket oper ates athigh voltage.
Use the11 5V AC socket intheveh icle with
th esame cautionand prude nceth at you
exe rcise when usingpower outletsat hom e.
Keep anyfluids awayfrom the11 5V AC
soc ket.Donot clean thesocket withfluids or
tapered objects.Keep the115V ACsocket
cover inthe closed position, whennotinuse.
Otherwise, youcould suffer anelectric shock
and beseriously oreven fatally injured. G
WARNING Any
device thatyouconn ectmust havea
suitable plugandmeet U.S.standards. Never
pull atacable todisconn ectaplug from a
115 VACpower socket.Nev eruse adamag ed
co nn ect ion cabl e.The 115VA Cpower socket
must never beconn ect edtoano ther 11 5V
AC power source.Donotuse aconvert erwith
an earthed plugforthe 115 VAC power
socket. Thiscould cause serious injurytoyou
and/or otherpeople. G
WARNING If
the 115V ACsocket isdamaged ortorn out
of the trim, donot use ortouch the115V AC
socket. Usinga115V ACsocket thatis
damaged ortorn outofthe trim could cause
serious personal injurytoyou and/or others. 115
Vsocket :provides analternating
voltage of115 V,so that small electronic
devices canbeconn ected. Thesedevices,
such asgames consoles, chargersand
laptops, together shouldnotconsume more
than amaximum of150 W.
Requ irements foroperation ofthese devices:
R the plug ofthe electronic devicemustbe
inserted fullyinto115 Vpower socket :.
R the maximum wattageofthe device tobe
conn ected mustnotexceed 150W.
R the on-board powersupplyis within a
permissible voltrange.
R the 12Vsocket sin the rear andthecargo
compartment areoperational
(Y page 297).
X Open flap=.
X Insert theplug ofthe electronic deviceinto
115 Vpower socket :.
Indicator lamp;lights up.
If indicator lamp;does notlight up,
consult thesection onmalfunctions.
X To tur noff:disconnect theplugfrom 115V
powe rsocket :.
En sure thatyoudonot pull onthe cord.
X Close flap=. 298
Featur
esStowing and features

Furth
erinfor mationonengi neoil
(Y page 388). Che
cking and adding otherserv ice
pr odu cts
Checkin gth ecoolant level On
lyche ckthecoo lant level when theveh icle
is on alevel surface and theeng inehas cooled
down .
X Turn theSm artKey toposit ion
2 (Y page 139)intheign itio nlock .
On veh icleswith KEYLE SS-GO ,pres sth e
St art /S topbutt ontwic e(Ypage 139).
X Check thecoolant temperaturegauge in
the multifun ction display.
The coolant temperaturemustbebelow
158 ‡(70 †). G
WARN
ING In
order toavoid anypoten tiallyserious burns:
R use extreme caution whenopenin gthe
hood ifther eare any signs ofsteam or
coolant leakingfromthecoolin gsystem ,or
if the coolant temperaturedisplay indicates
that thecoolant isoverheat ed.
R do not remov ethe pressure caponthe
coolant reservoirifthe coolant temperature
is above 158‡(70 †). Allow theengine to
cool downbefore removin gthe cap. The
coolant reservoircon tains hotfluid andis
under pressure.
R using arag, slowly turnthecap
approximat ely1
/ 2 turn
torelieve excess
pressure. Ifopened immediately, scalding
hot fluid andsteam willbeblown outunder
pressure.
R do not spill antifreeze onhot engine parts.
An tifr eeze contains ethylene glycolwhich
may burn ifit comes intocontact with hot
engine parts. X
Slowly turncap:half aturn count er-
clock wiseandallow excesspressure to
escape.
X Turn cap:furth ercount er-clockwise and
remove it.
If the coolant isat the level ofmarker bar
= inthe filler neck when cold,there is
enough coolant incoolant expansion
tank ;.
If the coolant isapproximat ely0.6 in
(1.5 cm)above marker bar=inthe filler
neck when warm, thereisenough coolant
in coolant expansion tank;.
X Ifneces sary,addcoolant thathasbeen
test edand approved byMercedes- Benz.
X Replace cap:and turn itclock wiseasfar
as itwill go.
For furth erinfor mation oncoolant ,see
(Y page 389).
Windshield washersystemand
headla mpcleaning system The
washer fluidreservo iris used forboth the
windshield washersystemandtheheadlamp
cleanin gsystem. i
Vehicle
compon entsand their servic e
product smust match.You should,
theref ore,only useproduct sthat have been
test edand approved byMercedes- Benz.
Inf ormation ontest edand approved
product scan beobtained atany authorized
Mercedes- BenzCenter oron the Internet at
htt p://ww w.mbu sa.com (USAonly). Engine
compartment
315Maintenance and care Z

G
WARNING Wash
ersolve nt/antifreeze ishigh ly
flamma ble.Donot spill washer solvent/
antifreez eon hot engine parts,because itmay
ignite andburn. Youcould beseriously
burned.
! Attemperatures belowfreezin g:alwa ys
fill the washer fluidreservoir withamix of
water andwindshield washerconcentrate
(e.g. MBWinterF it).There isotherwise a
risk ofdamaging thewindshield washer
system/headlamp cleaningsystem.
! Only usewasher fluidconcentratewhich
is suitable forplastic lenses. Unsuitable
washer fluidconc entratecould damage the
plastic lensesofthe headlamps.
! Donot add distilled orde-ionized waterto
the washer fluidcontainer. Otherwise, the
level sensor maybedamaged. i
Add
windshield washerconcentrate, e.g.
MB SummerF it,to the washer fluidallyear
round. Example:
washerfluidreservoir
X Mix thewindshield washerfluidina
cont ainer beforehand.
X At temp eratures above freezing: fillthe
washer fluidreservoir withamixof water
and winds hieldwasher concentrate (e.g.
MB Summ erFit).
X At tem peratur es below freezing: fillthe
washer fluidreser voirwith amixof water
and winds hieldwasher concentrate (e.g.
MB Wint erFit).Adapt themixingratioto the outs
idetem perat ure.Forinform ation on
the mixing ratio(Y page 390).
X To open: pullcap:upwards bythe tab.
X Add theprem ixedwasher fluid.
X To close: presscap:ontothe filler neck
unt ilit eng ages.
Br ake fluid level !
Ifyou notice that thebrak efluid level in
the brak efluid reser voirhasfallen tothe
MIN mark orless, checkthe brak esyst em
immed iatelyforleaks. Alsocheckthe
thick ness ofthe brake linings. Contact a
qual ified specialist workshop, e.g.an
authorized Mercedes-Ben zCent er
immediately.
Do not add brake fluid.Thisdoes not
corr ectthe error.
Only checkthe brake fluidlevel when the
vehicle isstationary andonalevel surface.
In order tocheck thebrake fluidlevel, the
cover above thebrake fluidreservoir mustbe
removed. X
Remove seal;inthe area around
cover :inthe direction ofthe arrow. 316
Engi
necompar tmentMaintenance and care

X
Raise cover :atthefron t.
X Pull outcover :inthedir ection ofthe
arr ow. The
brak efluid levelisco rrec tifiti sbetween
MIN marking ?and MAX marking =onthe
brake fluidreservoir.
Cover :isinstalled inthe reverse order.
When doingso,make surethattheguide sof
cover :engage inthe slots inthe bulkhead . Maintenance
Service
interval display
Service messages Information
onthe type ofservice andservice
intervals (seeseparate ServiceBooklet).
You canobtain further information froman
authorized Mercedes-Benz Centerorat
http: //www.mbusa.com (USAonly).
The service interval message informsyouof
the next service duedate. The
multifunction displayshows aservice
message forseveral seconds, e.g.: Next
Service ADue in..Days Service
ADue Service
AExceeded by... Days The
letter indicates whichservice isdue. A
stands
foraminor service and B for
amajor
service. Anumber oranother lettermaybe
displa yedafter theletter. Thisfigure indicates
any necessary additionalmaintenance work
to be performed.
You canobtain further information froman
authorized Mercedes-Benz Center.
The service interval displaydoes nottake into
account anyperiods oftime during whichthe
battery isdisconn ected.
Maintaining thetime-depen dentservice
schedule:
X Note down theservice duedate display ed
in the multifunct iondisplay before
disconn ectingthe battery.
or
X Subtract thebattery disconn ectionperiods
from theservice dateshown onthe display
after recon nectingthe battery. i
The
service intervaldisplay doesnot
provide anyinformat ionregarding the
engine's oillevel. Observe thenoteson the
engine oillevel (Ypage 313).
Hiding aserv ice mes sage X
Pres sth e% ora buttononthe
st eerin gwheel.
Displa yingservice messages X
Swit chon theign itio n.
X Pres s= or; onthest eerin gwheel
to selec tthe Serv. menu.
X Press 9or: toselect the ASSYST
PLUS submenu
andpress atoconfirm .
The service duedate appea rsinthe
multifunction display. Maintenance
317Maintenance and care Z

Please
bearthefollow inginmind Resetting
theservice interval display
Aq ualifi edspec ialist workshop,e.g. an
auth orizedMer cedes- BenzCent er,will reset
the servic eint erval display afterthe
nec essary servicework hasbeen carried out.
Furt herinfor mation ,on maint enanc efor
example, canbeobtained atan authoriz ed
Mercedes- BenzCenter ordirect lyfrom
Mercedes- Benz.
! Ifthe servic eint erval display hasbeen
reset unintentionally, havethesetting
corr ectedataMercedes- BenzCenter .
Have servic ework carried outasdescribed
in the Serv iceBook let.This may other wise
lead toincr eased wearanddamage tothe
major assemblies orthe vehicle.
Driving abroad
An ext ensive Mercedes- BenzServ icenetwork
is also available inother countries.Youcan
obtain furtherinfor mation fromany
authoriz edMercedes- BenzCenter . Care
Notes
oncare
Regular careofyour vehicle isacon dition for
retain ingthe quality inthe long term.
Use care product sand cleanin gagents
recom mended andapproved byMercedes-
Ben z. G
WARN
ING Many
cleanin gproduct scan behazardous.
Some arepoisonous, othersare flammable.
Always followtheinstruct ions onthe
particular container .Always openyour
vehic le'sdoors orwindows whencleaningthe
inside .
Never usefluids orsolven tsthat arenot
design edfor clean ingyour vehic le.
Always lockaway cleaningproduc tsand keep
the mout ofreach ofchildr en. !
For clean ingyour vehic le,do not use any
of the followin g:
R dry, rough orhard cloths
R abrasive cleaningagent s
R solven ts
R clean ingagent scon tain ingsolven ts
Do not scrub.
Do not touc hthe surfac esorprot ective
films withhard objects, e.g. arin gor ice
scr aper. Youcould otherwise scratc hor
damage thesurfac esand protective film. H
Envir
onment alnote Disp
oseofempt ypack aging andclean ing
clot hsinan env iron men tally respo nsible
mann er.
! Donot park thevehic lefor anext ended
period straight afterclean ingit,part icularly
aft erhavin gclean edthe wheels withwheel
clean er.Wheel cleanerscould cause
inc reased corrosio nofthe brake discsand
brake pads/linings. Forthis reason, you
should driveforafew minutes after
cleaning. Brakingheatsthebrake discsand
the brake pads/linings, thusdrying them.
The vehicle canthen beparked. Exterior
care
Automat iccar wash G
WARNING Braking
efficiency isreduced afterwashing
the vehicle. Thiscould cause anaccident. For
this reason, youmust driveparticularly
carefully afterwashing thevehicle untilthe
brakes havedried.
You canwash thevehicle inan automatic car
wash fromthevery start.
! Never cleanyourvehicle inaTouchless
Automatic CarWash asthese usespecial
cleaning agents.Thesecleaning agentscan
damage thepaintwork orplastic parts. 318
CareMaintenance and care

!
Alway smaintain adistance ofat least
11.8 in(30 cm) between thevehicle andthe
power washer nozzle.Information about
the correct distance isavail able from the
equi pment manufacturer.
Move thepower washer nozzlearound
when cleaning yourvehicle.
Do not aim directly atany ofthe followi ng:
R tires
R door gaps, roofgaps, joints etc.
R electrical component s
R battery
R conn ectors
R lights
R seals
R trim elements
R ventilation slots
Damaged sealsorelectrical component s
can lead toleaks orfailu res.
Cle aning thewhee ls !
Donot use acidic wheelcleaning products
to remove brakedust.Thiscould damage
wheel boltsandbrake component s.
! Donot park thevehicle foranextended
period straight aftercleaning it,particula rly
after having cleaned thewheels withwheel
cleaner. Wheelcleaners couldcause
increased corrosionofthe brake discsand
brake pads/li nings.Forthis reason, you
should driveforafew minutes after
cleaning. Brakingheatsthebrake discsand
the brake pads/li nings,thusdrying them.
The vehicle canthen beparked.
Cle aning thepaintwork Scratc
hes,corrosive deposits,areasaffected
by corrosion anddamage causedby
inadequ atecare cannot always becompletely
repaired .Ins uch cases, visitaqualif ied
spec ialist workshop,e.g. an auth orized
Mer cedes- BenzCent er. X
Remove impurities immediately, where
possible, whilstavoiding rubbingtoohard.
X Soak insectremains withinsec tremover
and rinse offthe treat edareas afterwards.
X Soak birddroppings withwater andrinse
off the treat edareas afterwards.
X Remove coolant,brake fluid,treeresin,
oils, fuels andgreases byrubbing gently
with aclot hsoaked inpetroleum etheror
lighter fluid.
X Use tarremover toremove tarstains .
X Use silicone remover toremove wax.
! Donot affix:
R stic kers
R films
R magnet icplates orsimilar items
to painted surfaces. Youcould otherwise
damage thepaintwork .
If water nolonger forms"beads" onthe paint
surface, usethepaint careproduct s
recom mended andapproved byMercedes-
Ben z.This isthe case approximat elyevery
thr ee tofive mont hs,depending onthe
climate conditions andthecare product used.
If dirt has penet rated thepaint surface orthe
paint hasbecome dull,thepaint cleaner
recom mended andapproved byMercedes-
Ben zshould beused.
Do not use these careproducts inthe sun or
on the hood while thehood ishot.
X Use asuitable touch-up stick,e.g. MB
Touch-Up Stick,to correct smaller areasof
paint damage quicklyandprovisionally .
Matt efinish care If
your vehicle hasaclear matte finish,
observe thefollowing instructionsinorder to
avoid damage tothe paintwork dueto
incorrec tcare.
These notesalsoapply tolight alloy wheels
with aclear matte finish. 320
CareMaintenance and care

short
tripsorifyou leave itstanding idlefor
a lengthy period.
Only replace abattery withabattery thathas
been recommended byMercedes-Benz .
Consult anauthorized Mercedes-Benz Center
if you wish toleave yourvehicle parkedfora
long period oftime. G
WARNING Comply
withsafety precautions andtake
protective measureswhenhandling batteries. Risk
ofexplosion Fire,
naked flames and
smoking areprohibited
when handling thebattery.
Avoid creating sparks. Battery
acidiscaustic.
Avoid contactwith theskin,
eyes orclothing.
Wear suitable protective
clothing, inparticular
gloves, anapron andaface
mask.
Immediately rinseacid
splashes offwith clean
water. Consult adoctor if
necessary. Wear
eyeprotection . Keep
children away. Observe
thisOperator's
Manual . H
Environmental
note Batteries
containdangerous
substances. Itis agai nstthe
law todispose ofthem with
the household rubbish.They must
becollected separately
and recycled toprotect the
environmen t. Dispose
ofbatteries inan
environmen tallyfriendly
manner. Returndischarged
batteries toaqual ified
speciali stworkshop, e.g.an
authorized Mercedes-Benz
Center, ortoaspecial
collection pointforold
batteries. G
WARNING Failure
tofollow theseinstruct ionscanresult
in severe injuryordeath.
Never leanover batteries whileconnecting.
You might getinjured.
Battery fluidcontains sulfuric acid.Donot
allow thisfluid tocome incont actwith eyes,
skin orclothing. Incase itdoes, immediately
flush affected areawithwater andseek
medical helpifnecessary.
Ab attery will also produce hydro gengas,
whic his flam mable andexplosiv e.Keep
flam esorspar ksaway from battery, avoid
impr oper connectionof jum per cable s,
smo kinget c. G
WAR
NING Do
notp lace anymetalobje ctson the batt ery
as this could result inashor tcircuit .
Use leak- proof batteries onlytoavoid therisk
of acid burnsin the even tof an acc ident .
Take carethatyoudonot becom estat ically
char ged, e.g.bywearin gsynt het icclo thingor
rubb ing again sttextiles .For this reason, you
also should notpull orpush thebattery over
carpets orother synthet icmaterials.
Never touchthebattery first.First, touch the
outside bodyofthe vehicle inorder torelease
any possible electrostaticcharges.
Do not rub thebattery withrags orcloths. The
battery couldexplode iftouched dueto Bat
tery
339Breakdown assistance
Z