
ASS
YSTP LUSs ervice in terv al display Fu
nction of theA SSYSTP LUSs ervice in terv al
display The ASS
YSTP LUSs ervice inter vald ispla yint he
instrument display prov ides informatio nonthe
re maining time or dis tance be fore then ext
service due date.
Yo uc an hide this service messag eusing the
bac kbutton on thel eft-hand side of thes teering
wheel.
Yo uc an obtain fur ther information concerning
th es ervicing of your vehicle from aqualified
specialis tworks hop, e.g. aMercedes-Benz
Service Centre. Displaying
thes ervice du edate On-boa
rdcomputer:
, Service .
ASSYST PLUS
The next service due dat eisdisplayed. #
Toexitth ed ispla y:press theb ackb utton
on thel eft-hand side of thes teering wheel. Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Operating theo n-boar dcomputer
(→ pag e262). Car
rying out maintenance workatregular
inter vals *
NO
TEPrematur ewear thro ugh failur eto
obser veservice due dates Service
workwhic hisn otcar ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damag etothevehicle. #
Alw ayso bser vethep rescribed service
inter vals. #
Alw aysh ave thep rescribed service
wo rkcar ried out at aqualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
valisb ased on nor‐
mal operation of thev ehicle. Maintenance work will nee
dtobep erform ed mor eoften than
specified if thev ehicle is operated under ardu‐
ous conditions or increased loads, fore xamp le:
R regular city driving wit hfrequ ent intermedi‐
at es tops.
R ifth ev ehicle is primaril yused fors hort-dis‐
ta nce driving.
R forf requ ent operation in mountainou sterrain
or on poor road sur faces.
R ifth ee ngine is of tenl eftidling forl ong peri‐
ods.
R in particula rlyd usty condition sand/o rifair-
re circulation mod eisfrequently used.
In these or similar operating conditions ,have the
interior filter ,engin eair cleaner ,engin eoil, oil fil‐
te re tc. changed mor efrequ ent ly.T he tyres must
be checkedm oref requ entl yift hevehicle is
operated under increased loads. Further infor‐
mation can be obtained at aqualified specialist
wo rkshop. Maintenance and care
391

It is no
tpossible tocor rectl ym easu retheo il
le ve lif:
R thev ehicle is no tleve lduring them easure‐
ment process.
R theb onnet wasp reviousl yopened.
The engin emustber estarted and thee ngine oil
le ve lw ill be de term ined again when driving.
On-boar dcomputer:
, Service .
Engine oil level:
Yo uw ills ee one of thef ollowing display
messa gesint he multifunction dis play: #
Engine oi llev el Measuring now:m easure‐
ment of theo il le velisn otyetp ossible.
Re peat ther eques tafter am aximu mof30
minutes' driving. #
Engine oil level OK andtheb ar displa yfor
indicating theo il le velint he multifunction
displa yisgreen and is between "min" and
"max": theo il le velisc orrect. #
Engine oil level Add 1.0 l andtheb ar display
fo ri ndicating theo il le velint he multifunction displa
yisorang ea nd is belo w"min": topup
wit h1lofe ngineoil. #
Reduce engin eoil level andtheb ar display
fo ri ndicating theo il le velint he multifunction
displa yisorang ea nd is abo ve"max": drain
of ft he exc ess engine oil. Consult aqualified
specialis tworks hop. #
For engine oil level turn on ignition:s witchon
th ei gnition tocheckt he engine oil le vel. #
Engine oil level System inoperative :sensor
fa ulty or no tconnec ted. Consult aqualified
specialis tworks hop. #
Engine oil level System currently unavail. :
close theb onnet.
To pping up engine oil &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Risk offire and injur yfrom
engine oil
If engine oil comes int ocontact wi thhot
component parts in thee ngine compart‐
ment ,itmayignite. #
Mak esuret hat no engine oil is spilled
next tothef iller opening. #
Allo wthe engine tocool of fand thor‐
oughl yclean thee ngine oil from compo‐
nentp arts befor estartin gt he vehicle. *
NO
TEEngine dama gecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives #
Do no tuse engine oil soroilfilters
whic hdon otcor respond tothes pecifi‐
cation sexplicit lyprescribed fort he
service inter vals. 396
Maintenance and care

#
Do no talter thee ngine oil or oil filter in
order toachie velonger chang einter vals
th an presc ribed. #
Do no tuse additives. #
Followt he instructions in thes ervice
inter vald ispla yregarding theo il
ch ange. *
NO
TEDama gecaused bytopping up too
muc hengine oil To
pping up toom uche ngine oil can cause
damag etothe engine or thec atalytic con‐
ve rter. #
Have excess engine oil remo vedata
qu alified specialis tworks hop. #
Turn cap 1anti-clockwise and remo veit. #
Topupt he engine oil. #
Replace cap 1and tur nitclockwise as far
as it will go. #
Chec kthe oil le vela ga in (→ page395). Checking
thec oolant le vel &
WARNING Danger of bu rnsf romh ot
component parts in thee ngine compart‐
ment
Cer tain component parts in thee ngine com‐
partmen tmaybe very hot, e.g. thee ngine,
th er adiator and parts of thee xhau stsystem. #
Letthe engine cool down and only
to uc ht he component parts described
below: &
WARNING Danger of bu rnsf romh ot
coolant
The engine cooling sy stem is pressurised,
particularly when thee ngine is warm.Ify ou
open thec ap, youc ould be scalded byhot
coolant spr aying out. #
Letthe mo torc ool down befor eopening
th ec ap. #
When opening thec ap, wearglove sand
pr otectiv eeyewe ar. Maintenanc
eand care 397

#
Avoid impurities in AdBlue ®
. +
ENVI
RONMENTAL NOTEContamination
caused byAdBlue ® Ad
Blue ®
re sidues cr ystallise af terap eriod of
time, and contamina tethes urfaces wi th
whic htheyc ome int ocontact. #
Surfaces that ha vecome int ocontact
wi th Ad Blue®
while refilling mus tbe
immediatel yrinsed wit hwater ,or
Ad Blue ®
mus tberemo vedw ithad amp
clo thand col dwater.
If Ad Blue ®
has al ready cr ystallised, clean it
wit has pongeand col dwater. When
youo pen theA dBlue ®
tank ,small
amounts of ammoni avapour ma yescape. Do
no tinhale an yammonia vapour sthat ma ybe
re leased. Onl yfilltheA dBlue ®
tank in well-venti‐
lated areas. Ad
Blue ®
capacity
To tal capacity of AdBlue ®
tank Mode
lT otal capacity
All models 23.5 l Engine oil
Note
sone ngine oil
Obser vethen otes on service products
(→ pag e452). *
NO
TEEngine dama gecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives #
Do no tuse engine oil soroilfilters
whic hdon otcor respond tothes pecifi‐
cation sexplicit lyprescribed fort he
service inter vals. #
Do no talter thee ngine oil or oil filter in
order toachie velonger chang einter vals
th an presc ribed. #
Do no tuse additives. #
Have thee ngine oil rene we datr egular
inter vals. Mercedes-Benz
recommends that youh avet he
oil chang ecarried out at aqualified specialist
wo rkshop.
Onl yM ercedes-Benz appr ovedengin eoils may
be used in Mercedes-Ben zengines.
Fu rther information on engine oils and oil filters:
R intheM ercedes-Benz Specification sfor
Servic eProducts at http://b evo.mercedes-
benz.co m(byentering thed esignation) Te
ch nica ldata 457

R
ataq ualified specialis tworks hop
Pet role ngines: forc ertain countries, dif fere nt
engine oils can be used in conjunctio nwith
re duced maintenanc einter vals.
% Further information on dif fere nt engine oils
can be ob tained at aqualified specialist
wo rkshop.
Quality and filling capacity of engine oil
MB- Freigabe or MB -Appr oval Pe
trol engine sM B-Freigabe or MB-
Appr oval
All models 229.5, 229.6 MB-F
reigabe or MB-Appr oval Diese
lengine sM B-Freigabe or MB-
Appr oval
E3 50 d
E3 50 d4MATIC
E3 50 d4MATIC All-
Te rrain 229.52
All other models 228.51 ,229.3 1,
229.5 1,229.52,
229.71 If
th ee ngine oils lis tedint hetable ar enotavail‐
able, youm ayadd amaximum of 1.0l ofthef ol‐
lowing engine oils once only:
R petrol engines:
- E400 4MATIC: MB- Freigabe or MB-
Appr oval 229. 3orACEA A3/B4
- allother models: MB-F reigabe or MB-
Appr oval 229.3, 229. 51,2 29.52 or
AC EA A3/B4
R diese lengines: -
E350 d, E350 d4MATIC ,E350 d
4MATIC All -Ter rain: MB- Freigabe orMB-
Appr oval 229. 51orAC EA C3
- allo ther models: ACEA C3
The following values refertoano ilch ange,
includin gthe oil filter.
Re placement amount Mode
lR eplacement
amount
E2 00
E2 50 7.
0l
E2 00 4MATIC
E4 00 4MATIC 6.5 l
E3 00 d6 .8 l
E3 50 d9 .0 l458
Tech nica ldata

Displa
ymessages
Possible causes/consequences and M
MSolutions
4 Engine oil pressure Stop
Switc hoff engine *D
ispla ymessag eonlyf or cer tain engines:
The engin eoil pressur eistoo lo w.
* NO
TEEngine dama gecaused bydriving wit hinsuf ficient engine oil pressure #
Avoid long journe yswit hinsuf ficient engine oil pressure. #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances. #
Consult aqualified specialis tworks hop.
5 Engine oil level cannot be
measured *T
he electrical connection totheo il le vels ensor is inter rupte dort he oil le vels ensor is faulty.
The engin eoil le velh as dropped tothem inimum le vel. #
Consult aqualified specialis tworks hop.
! Cleant he fuel filter *
Ve hicles with diesel engines: thef uel filter is dirty or thew ater in thef uel filter mus tbedrained off. #
Consult aqualified specialis tworks hop. 498
Displa ymessages and warning/indicator lamps

Ad
aptiv eHighbeam Assis tPlus inop‐
erative ................................................ .520
4Ad d1litree ngin eoil when next
re fuelling ............................................. 497
Air conditioning Malfunction See
Owner's Manual ................................... 512
App lybrak etod eselect Park (P)
position ................................................ 51 0
App lybrak etos elect R ........................ 513
À ATTENTION ASSIS Tinoperative ... 483
ÀAT TENTION ASSIS T:Take a
break! .................................................. 483
bAU TOlight sinope rative ............... 520
Au xilia rybatter ymalfunction ...............5 12
Blind Spo tAssistcur rentl yu navaila‐
ble See Owner's Manual ...................... 487
Blin dSpotA ssis tinope rative ............... 488
Blind Spo tAssistnota vailable when
to wing atrailer See Owner's Manual ...4 88
ÂChang ekeybat teries ...................5 07Ø
CheckAdBlue See Owner ’s
Manual ................................................ 500
JChec kbrake fluid le vel................ 475
4 Checkeng.o il le v.when next
re fuelling ............................................. 496
jChe cktraile rhitch lock ............... 509
hCh eckt yre(s) ............................... 503
!Clea nthe fuel filter .................... .498
ÁCo mpressor is cooling ................485
?Coolant Stop vehicle Switch
engine off ............................................ 493
Cruise contro land Limiter inope ra‐
tive ...................................................... 492
Cruise control inope rative ................... 491
Cruise control off ................................. 491
!cu rrently unavailable See Own‐
er's Manual .......................................... 467
÷cur rentl yu navailable See Own‐
er's Manual ........................................ .468
È .................................................... 492 ØEng.
star tn otpossible in XXX
km ...................................................... .500
ØEng. star tn otpossible ................ .501
5 Engine oi lleve lcanno tbe
measured ............................................ 498
4Engine oil le velR educe oil le vel...4 97
4 Engine oi lleve lStopv ehicle
Switc hengine off ................................ 496
4Engineo il pressureStopS witch
of fe ngine ............................................ 498
Fa ult Driv eatmax.80k m/h .............. .485
6Fr ont leftmalfunction Consult
wo rkshop (e xample)............................ 480
Fr ont-passenger airbag disabled See
Owner's Manual ................................... 481
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 82
!inoperativ eSee Owner' sMan‐
ual ....................................................... 466 550
Index