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 †).
