2012 MERCEDES-BENZ M-Class oil additives

Gasoli
ne
Fuel grade !
You shou ldonly refuel withpremiu m-
grade unleadedgaso line, asthis avoids
dama gingthecataly ticconverter.
Flexibl efuel vehicle s,identifi ablefrom the
lab elinside thefuel filler flap ,can be
refuel edwith E85. Forfurther information
on flexib lefuel ,see "Fue l".
If engine running problemsareapparent,
have thecause checked immediatelyand
repa ired. Excess unburned fuelcan
otherwi seenter thecataly ticconverter,
lea ding tooverhea tingandpossi bly
causi ngafire.
! Use afilter when refuelingfrom afuel can.
Otherwi se,the fuel lines and/or injection
system couldbeblocked byparticl esfrom
the fuel can. i
Only
refuel withpremiu m-grade unleaded
gaso linewith aspecifi edminimu moctane
numb erof91 (avera gevalue of96 RON/
86 MON) .
You willus ua lly find informa tion abou tthe
fuel grade onthe pump. Ifyou cannot find
the label onthe pump, askthestaff for
assistance.
You canfind more information under"Fuel"
(Y page 385), orby cont acting an
authorized Mercedes-Ben zService Center
or visitin ghtt p://ww w.mbu sa.com (USA
only). Diesel
Fuel grade !
Only refuel withULTRA- LOWSULFUR
DIE SELFUE L(ULSD ,15 ppm SULF UR
MAXI MUM). Usingotherdiesel fuelscould
result inincr eased wearanddamage tothe
engin eand/or exhaust system.
Never refuelwithmarine dieselorheating
oil. Do
not mix these fuelswithdiesel fuelsand
do not use anyspecial additives, asthis
may result indamage.
! Use afilter when adding fuelfrom afuel
can. Other wise, thefuel lines and/or the
fuel inject ion system couldbeblocked by
particles fromthefuel can. i
Usually,
youwillfind infor mation about
the fuel grade onthe pump. Ifyou cann ot
find thelabel onthe gasoline pump,askthe
gas stationstaff .
You canfind more information under“Fuel”
(Y page 385),or by con tact ingan
authoriz edMercedes- BenzService Center
or visitin ghtt p://ww w.mbu sa.com (USA
only).
Low outsid etem pera tures !
Donot use gasoline torefuel vehicles with
a diesel engine.Never mixdiesel with
gasoline orkeros ene,asthis may result in
damage tothe engin eor fuel system.
Diesel fuelwith improved coldflowpropert ies
is available duringthewinter months.Furt her
infor mation onfuel propert iescan be
obtained fromoilcompan ies,e.g. atgas
stat ions. Refueling
Fuel filler flap The
fuel filler flapisunlock edorlocked
automatic allywhen youopen orclose the
vehicle withtheSmart Keyorusing KEYLE SS-
GO.
The position ofthe fuel filler capisdisplayed
in the instrument cluster8.T hearrow
next tothe filling pump indicates theside of
the vehicle. 150
RefuelingDriving and parking

Fuel
consu mption
Et han ol(E85 )co ntains lessenerg yper gallon
th an gaso line. To ensure that theen gin e
per forman cewithet han ol(E85 )is sim ilar to
th at when usinggaso line, thee ngine mu st
bu rn mor eetha nol.Asar esult, itis to be
expect edthat fuelconsumption willincrease
when usingethanolfuel (E85 ),compared to
gasoline.
Maint enance
Inf orm your authoriz edMercedes- Benz
Center thatyouareoperatin gor have
operated thevehicle withethan ol(E85 ).
Low outsid etemp eratures
St artin gtimes maysignific antlyincrease at
temper aturesbelow32‡(0 † ).At low
outside temperatures, Mercedes- Benz
recom mends theuse ofan auxiliary heater.
For furth erinfor mation ,con sult anauthoriz ed
Mercedes- BenzCent er.
Rough idlingmayalsobeexperien cedatlow
outside temperaturesuntiltheengin eis fully
warmed up.
Et hanol (E85)is unsuitable foruse ifoutside
temper aturesfallbelow 14‡(-10 †).
High outside temperatures
At outsi detempera turesabove95 ‡(35 †) ,
the timereq uired forthe starting pro ced ure
ma yincr ease and beacc omp anied byrou gh
id ling followi ng the start.
Fu elrequ iremen ts Gas
olin een gine s
Use onlypre mium -gra deunleade dga soline.
Th eocta nenum bers hould beatleast 91.
Details canbefound onthe gas pump. The
octane number isthe average valueofthe
Research OctaneNumber (RON)andthe
Motor Octane Number (MON):(RON+
MON) /2, also known asknoc kresistance. Reformulated
gasoline(RFG)and/or
unleaded gasolinewithadditives canbeused.
However, theconc entration ofadditives in
the fuel must beless than 10%, e.g.
R Ethan ol
R TAME
R ETBE
R IPA
R TBA
For MTBE, theconc entration should not
exceed 15%.
The conc entration ofmethanol ingasoline
including otheradditives mustnotexceed 3%.
Using mixtures ofmethanol andethanol isnot
permitted. Gasohol,amixture of10% ethanol
and 90% unleaded gasoline,canbeused.
All ofthese mixfuels must fulfillthefuel
requirements, e.g.:
R knoc kresistance
R boiling point
R vapor pressure
Diese lengine s–i mporta ntsaf ety notes
! Onlyus ecomm ercially av ailabl e ULT RA-
LOW SULF URDIESEL FUEL(ULSD, 15ppm
MAX IMUMSULF UR)tha tmee tsthe
ASTM D975standa rd.Failure to use
ULT RA-L OWSULF URDIESEL FUEL(ULSD)
can sever elyda ma gethe vehicle'sexh aust
ga saf tertr eatment syste m.
! Donot fill the tank with gasol ine .Do not
bl end dies elfuel with gasol ine orkero sene.
Othe rwise, the fuel syste ma ndthe engine
cou ldbe dama ged.
To pre vent malfunctio ns,diese lfu el with
imp rove dflo wcha racteri stics isavailabl e in
the winter month s.Ch eck with your gas
sta tion.
Info rma tiono nthe fuel grade canusua llybe
found onthe gas pump. Ifthe information
cannot befound onthe gas pump, askthegas
station personnel. Forfurther information ,
consult anauthorized Mercedes-Ben zCent er 386
Service
products andcapa citiesTechnical data

Low
outsidetem peratur es DE
Ffreez esatate mper atureof
appro ximatel y12 ‡(–1 1†). The vehicle is
equipped withaDE Fp rehea tingsystem when
it lea ves thefactory. Winteroperationis
therefore alsogua ranteed attempera tures
Additive s !
Only useDEF inaccorda ncewith ISO
22241. Donot use additives withDEFand
do not dilute DEF with water. This may
destroy theBlue TEC exhau stgas
aftertrea tmentsystem.
Purity Assuri
ngthe puri tyof DEF isparticu larly
importa ntwith respe ctto avoi ding
malfu nctions inthe exhau stgas
aftertrea tmentsystem.
If DEF ispump edout ofthe DEF tank, e.g.
duri ngrepa irwork, itmust notbereturned to
the tank. Thepurityof the fluidcan nolonger
be gua ranteed.
! Impuri tiesinDEF (e.g. duetoother
service products,cleaning agents ordus t)
lea dto:
R increase demiss ionvalu es
R dama getothe catal yticconverter
R engine damage
R malfu nctions inthe Blue TEC exhau stgas
aftertrea tmentsystem Eng
ineoil
Ple ase bear thefollowing inmind The
engine oilsare matched tothe
performa nceofMercede s-Benzengines and
service intervals.You shou ldtherefore only
use engine oilsand oilfilters thatare
app roved forvehicl eswith maintenance
systems . For
alist ofapp roved engine oilsand oilfilters,
consult anauthorized Mercede s-BenzCenter
or go tothe Internet site
http://www.mbu sa.com(USAonly).
! Never useengine oiloran oilfilter ofa
speci ficatio nothe rthan isnecessary to
fulfill theprescribed serviceintervals. Do
not change theengine oiloroil filter in
order toachieve longerreplacement
intervals thanthose prescribed. Youcould
otherwise causeengine damage ordamage
to the exhaust gasaftertr eatment .
Follow theinstruct ionsinthe service
interval displayregarding theoilchange.
the exhaust gasaftertr eatment .
The table shows whichengine oilshave been
approved foryour vehicle. Model Engine
model MB
Approval
642 228
.51,
229 .31,
229 .51 276 229
.5 i
MB
approval isindicat edon the oil
con tainer s.
Addit ives !
This could damage theengin e.
Engine oilviscosity Viscosit
ydescribes theflow charact eristics
of afluid. Ifan engin eoil has ahigh viscos ity,
this means thatitis thic k;alow viscos ity
means thatitis thin .
Select anengin eoil with anSAE(viscosi ty)
class ification suitable forthe preva iling
outsi detempera tures.Thefollowi ngtable
show sthe correct SAEclass ification tobe
use d.The low-temperatu rechara cteristics of
engine oilscan deteri orate signifi cantly, e.g. 388
Servic
eproducts andcapaci tiesTechnical data

4MATIC
ML 350 4MATIC
ML3 50 BlueTEC
Otherwise,youmaydamagetheengineand
Donotuseanyadditivesintheengineoil.
below12 ‡ (–11 †).