Quality and capacity of engine oil
%
The container
softhevarious engine oils are
mar kedw itht he ACEA (Association of Euro‐
pean Automotiv eManufacturers) and/or API
(America Petroleu mInstitu te)c lassifications.
Onl yuse appr oved engine oils that cor re‐
spond totheMBS pecification sfor operating
fl uids and thep rescribed ACEA and/or API
classi fications name dbelow .Engine oil sof
ot her grades ar enotpermissible and can
re sult in thel oss of theN ew Vehicle Limited
Wa rrant y.The use of other engine oils not
appr ovedfor diesel engines can damag ethe
diesel particulat efilter (DPF).
MB- Freigabe orMB-App roval Gasoline engine MB-F
reigabe orMB-
Appr oval
M2 74 229.5Diesel engine
sMB-Freigabe orMB-
Appr oval
OM642/OM65 1228.51,229.3 1,
229.5 1,229.52* *R
ecommended forl owest possible fuel con‐
sum ption (lo westSA Ev iscosity class in ea ch
case ;obser vepossible restrictions of the
appr ovedSAE viscosity classes).
To achie vethel owest possible fuel consum ption,
it is recommended touse thee ngine oil specifica‐
tions mar kedint hetable fort he lo west SAEv is‐
cosity class. Obser veanyp ossible restrictions of
th ea ppr ove dSAE viscosity classes.
If th ee ngine oils lis tedint hetable ar enotavaila‐
ble, youm ayadd amaximum 1.1USqt( 1.0l iter)
of thef ollowing engine oils once only:
R Vehicles with agasoline engine: MB-Frei‐
ga be or MB-Appr oval 229. 3orACEA A3/B4
R Vehicles with adiese lengine: MB-Freigabe
or MB-Appr oval 228.5, 229. 3or229.5
Multig rade engin eoils of thep rescribed SAEc las‐
si fication (viscosity) ma ybeuseda llye ar round,
ta king theo utside temp eratur eintoa ccount. Vi
scosity of thee ngine oil
* NO
TEEngine damag eduetoincor rect
SA Ec lassi fication (viscosity) of the
engine oil If
th eS AE classi fication (viscosity) of the
engine oil added is no tsuitable forp rolonged
lo wo utsid etemperatures, it ma ycause
engine damage.
The temp eratur ereadings of theS AE classi fi‐
cation ar ealway sb ased on fresh oil. Engine
oil ages when driving as aresult of soo tand
fuel residue. The characteristic sofengine oil
de teriorat esignificantl yatlowoutside tem‐
peratures. #
Use an engine oil of thea ppropriat eSAE
classi fication at lo woutsid etempera‐
tures. #
Use oil fora ll-year-round operation. The
temp eratur ereadings of theS AE classi fica‐
tion ar ealway sb ased on fresh oil. The temp era‐
tur ec haracteristics of thee ngine oil, especially at
lo wo utside temp eratures, can de teriorat esignifi‐
cantly due toagin gwhen driving.
Therefore, Mercedes-Ben zrecommends that you
ch ang ethe engine oil befor ethe star toft he cold
season. Onl yuse an appr oved engine oil in the
prescribed SAEc lassi fication fort his purpose. The viscosity indicates
thef lowc haracteristics of
af luid. With rega rd toengine oil, ahigh viscosity
is synonymous wit hthic kliquid and alow viscos‐
ity wit hthin liquid. Depending on theo utside
te mp eratures, select thee ngine oil according to
th eS AE classi fication (viscosity) .The table sho ws
th eS AE classi fications tobe used. The lo wtem‐
peratur echaracteristics of engine oils can de teri‐
orat esignificantl yduring operation due toaging
and soo tand fuel acc retion, fore xamp le.Aregu‐
lar oil chang ewithana pprove dengin eoil in the
appropriat eSAE classi fication is therefore
stro ngly recommended. Te
ch nica ldata 281
Ad
ditive
* NO
TEEngine damag eduetouse of addi‐
tives in thee ngine oil The use of additional additives in
thee ngine
oil can damag ethe engine. #
Do no tuse an yadditional additives in
th ee ngine oil. Miscibility of engine oil
The benefits of high-quality engine oils are
re
duced bymixing oil.
We recommend that youo nly use engine oil of
th es ame grade and SAEc lassi fication as theo il
fi lled at thel asto ilch ange. If, in exceptional
cases, engine oil of thet ype in thee ngine is not
av ailable, use ano ther appr ovedm ineral or syn‐
th etic engin eoil.
Ve hicles with adiese lengine: ifth eg rade is
no ta vailable, youm ayalso refill wit hengin eoils
acco rding toMB-F reigabe or MB-Appr oval 228.5,
229. 3or2 29.5.Therefill qu antity is then limited
to maximu m1.1US qt (1.0 liter).
Yo um ustthen ha vean oil chang ecarried out at
th ee arlies tpossible opportunit y.
Ve hicles with agasoline engine: ifth eg rade is
no ta vailable, youm ayrefill wit hengin eoils
acco rding toMB-F reigabe or MB-Appr oval 229.3
or AC EA A3/B4. The refill qu antity is then limited
to maximu m1.1US qt (1.0 liter).
Yo um ustthen ha vean oil chang ecarried out at
th ee arlies tpossible opportunit y.
Engine oils ar ediffe re ntiated according to:
R Engine oi lbrand
R Grad e(MB -Fre igabe or MB-Appr oval)
R SAEc lassi fication (viscosity)
Oil chang einter val
The on-boar dcomputer automatically sho ws the
dat eoft he next oil chang easane vent messa ge
on thed ispla y.
Mercedes-Benzr ecommends havin gthe oil
ch anged at aqualified specialis tworks hop. Engine oil capacities Engine
Engine oil
M2 74 Approx. 11.1 qt
(10.5 liters)
OM642 Approx.1 3.2 qt
(12.5 liters)
OM65 1(rear wheel
drive) Appr
ox.1 2.2 qt
(1 1. 5l iters) Information on oil consum
ption
Depending on thed riving style, thev ehicle con‐
sumes amaximum of 1.1USq t(1.0l iter) of
engine oil per 620 mile s(10 00 km).
In thef ollowing cases, oil consum ption ma yalso
exc eed this limit:
R The vehicle is ne w.
R Youu sethev ehicle mostl yunder arduous
conditions.
R Youd rive frequent lyat ah igh engine speed.
Re gular maintenance is aprere quisit efor favo ra‐
ble consum ption figures. Youc an only asses sthe
oil consum ption af teral ong journe y.Chec kthe
oil le velint he engine regularly ,e.g. weekl yor
eve rytime your efuel. Note
sonb rake fluid Obser
vethen otes on operating fluids
(/ page276). &
WARNING Risk of an accident du eto
va por poc kets form ing in theb rake sys‐
tem
The brak efluid con stant lyabsorbs moisture
from thea ir.T his lo werstheb oiling point of
th eb rake fluid. If theb oiling point is tool ow,
va por poc kets ma yformint he brak esystem
when theb rake sa reapplied hard.
This causes theb raking ef fect to be impaired. #
Have theb rake fluid rene we datt he
specified inter vals. *
NO
TEDama getopaint, plastic or rubber
by brak efluid Ther
eisar isk of damag etoproperty if brake
fl uid comes int ocontact wi thpaint, plastic or
ru bber. 282
Tech nica ldata
