Re
ar towing eye( vehicles wit hpassenger vehicle
appr oval)
% Re
ar towing eye2is permanentl yattached
to thev ehicle.
* NO
TEDama gedue toincor rect use of
th et ow ing eye When
atow ing eyeisu sedtoreco verav ehi‐
cle, thev ehicle ma ybedamaged in thep roc‐
ess. #
Onlyusethet ow ing eyetot ow aw ayor
to ws tartthe vehicle. To
ws tarting vehicl e(eme rgency engine start) Ve
hicles with automatic transmission
* NO
TEDama getothea utomatic trans‐
mission due to towstarting The automatic transmissio
nmaybe damaged
in thep rocess of tows tartin gv ehicles with
automatic transmission. #
Vehicles wit hautomatic transmission
mus tnotbe tows tarted. #
Do no ttow st artv ehicles wit hautomatic
transmission. Electrical fuses
Note
sone lectrical fuses &
WARNING Risk of accident and injury
du etoo verloaded lines
If yo um anipulat eorbridg eaf aulty fuse or if
yo ur eplace it wit hafuse wit hahigher
amperage, thee lectric line could be overloa‐
ded.
This could result in afire. #
Alwa ys replace faulty fuse swiths peci‐
fi ed ne wfuses containing thec orrect
amperage. *
NO
TEDama gedue toincor rect fuses Electrica
lcomponents or sy stems could be
damaged byincor rect fuses. #
Only use fuses whi chhave been
appr ovedbyM ercedes-Benza nd which
ha ve thec orrect fus erating. Th
ee lectrica lfus es in your vehicle switc hoff
defectiv ecircuits. If afuse blo ws,allth ec ompo‐
nent sont he circuit and their functions will cease
to operate.
Blown fuses mus tbereplaced wit hfuses of an
equivalent specification ,whic hyou can de ter‐
mine bythec olor and fuse rating .The fuse allo‐
cation charta nd fur ther information on thee lec‐
tric fuses and relays can be found in the" Fuse
allocation chart" supplement.
* NO
TEDama geor malfunction scaused by
moisture Moistur
emaycause dama getothee lectrical
sy stem or cause it tomalfunction. #
When thef use bo xisopen, mak esure
th at no moistur ecan enter thef use box. #
When closing thef use box, mak esure
th at thes eal of thel id is positioned cor‐
re ctly on thef use box. If
th en ew fuse whic hhas been inser teda lso
blo ws,have thec ause traced and rectified at a
qu alified specialis tworks hop.
Mak esureoft hefollowing befor ereplacing a
fuse:
R thev ehicle is secured suc hthat it does not
ro llaw ay
R all electrical consume rsares wit ched off 290
Breakdown assis tance
Information on
technical data
The given dat aonlya pplies tovehicles with
st andar dequipment. Further information can be
obtained at aqualified specialis tworks hop. On-board electronics
Note
sonw orkont he engine electronics *
NO
TES Premature wearthro ugh
improper main tenance Imprope
rmaintenance ma ycause vehicle
components towe ar mor equickl yand the
ve hicle's operating permit ma ybeinvalidated. #
Alwaysh ave workon thee ngine elec‐
tronics and related components car ried
out at aqualified specialis tworks hop. Tw
o-w ayradios In
stallation no tesf or two- wayradios &
WARNING Risk of accident du eto
improper workon two-w ayradios
The electromagnetic radiation from two-w ay
ra dios can inter fere wit hthe on-boar delec‐
tronics if RF transmit ters arem anipulated or
re trofitted inco rrectl y.
This could jeopardize theo perating saf etyof
th ev ehicle. #
Yous houl dhave allworkon electrical
and electronic component scarried out
at aq ualified specialis tworks hop. &
WARNING Risk of accident from incor‐
re ct ope ratio noft wo-way radios
If yo uo perat etwo -way radios incor rectl yin
th ev ehicle, thee lectromagnetic radiation
could inter fere wit hthe on-boar delectronics,
e.g.:
R ifth et wo -way radio is no tconnected to
an exterior antenna
R ifth ee xterio rantenna is no tcorrectly
mounted or is no toflowreflection
This could jeopardies theo perating saf etyof
th ev ehicle. #
Have thel ow -reflection exterior antenna
ins talled at aqualified specialis twork‐
shop. #
When operating two-w ayradios in the
ve hicle, alw aysc onnectt hemtothe
lo w- reflection exterior antenna. *
NO
TEInva lidation of theo perating per‐
mit due tofailur etoc omply wi th the
instructions fori ns tallation and use The operatin
gpermit ma ybeinvalidated if the
instructions fori ns tallation and use of two-
wa yradios ar enotobser ved. #
Onlyuse appr oved frequency bands. #
Obser vethem aximum permissible out‐
put po werint hese frequency bands. #
Onlyuse appr oved antenna positions. Use
Tech nica lSpecification ISO/T S21609 (Road
Ve hicles -EMC guidelines fori ns tallation of af ter‐
mar ketradio frequency transmitting equipmen t)
when retrofitting two-w ayradios. Comply wit hthe
legal requirements ford etachable parts.
If yo ur vehicle has ins talling fort wo -way radio
equipment ,use thep ower suppl yorantenna con‐
nections intended foru se wit hthe ins talling.
Obser vethem anufacturer's supplement during
ins tallation.
Information on two-w ayradio transmission
output
The maximum transmission outputs (PEAK) at the
base of thea ntenna mus tnotexc eed thev alues
in thef ollowing table:
Fr equency band and maximum transmission
output Fr
equency band Maximu mtransmis‐
sion output
Sho rtwa ve
3—54M Hz 10
0W
4—m—w aveband
74 —88M Hz 30 W
2—m—w aveband
14 4—1 74MHz 50 W
Tr unked radio sys‐
te m/T etra
380 —460 MHz 10 W322
Tech nica ldata
Fr
equency band Maximu mtransmis‐
sion output
70 —cm—w aveband
420 —450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 WThe
following can be used in thev ehicle without
re strictions:
R two-w ayradios wit hamaximum transmission
output of up to100mW
R two-w ayradios wit htransmit terf requ encies
in the3 80 –410 MHz frequency band and a
maximu mtransmissio noutpu tofu pto2W
(trunked radio sy stem/T etra)
R mobil ephones (2G/3G/4G)
Ther eareno restrictions whe npositioning the
antenn aonthe outside of thev ehicle fort he fol‐
lowing frequenc ybands:
R Trunked radio sy stem/T etra
R 70—cm—w aveband
R 2G/3G/4G Ve
hicl eidenti fication pla te,v ehicle identifi‐
cation number (VIN )and engine number
Ve hicl eidenti fication pla te Depending on
thev ehicle model, thev ehicle iden‐
tification plat eislocated on thes eat base of the
driver's seat or on theB -pillar.
% The dat
aisvehicle-speci fica nd can dif fer
from that shown. Alw ayso bser vethes pecifi‐
cation sonyourvehicle's identification plate. Ve
hicle identification plat e(example: US A,
comple te vehicles)
1 Vehicle manufacturer
2 VIN (vehicle identification number)
3 Perm issible grossmass
4 Perm issible grossmassofv ehicle combina‐
tion
5 Perm issible front axle load
6 Perm issible rear axle load
7 Dateofm anufacture
8 Paint code Ve
hicle identification plat e(example: US A,
incomple te vehicles)
1 Vehicle manufacturer
2 VIN (vehicle identification number)
3 Perm issible grossmass
4 Perm issible grossmassofv ehicle combina‐
tion
5 Perm issible front axle load
6 Perm issible rear axle load
7 Dateofm anufacture
8 Paint code Te
ch nica ldata 323
Engine number
The engine number is
stamped ont othe crank‐
case. Youc an obtain fur ther information from any
qu alified specialis tworks hop. Operating fluids and capacities
Note
sono perating fluids &
WARNING Risk of inju ryfrom operating
fl uids harmful to your health
Operatin gfluids ma ybepoisonous and harm‐
ful to yo ur health. #
Obse rvet he text on theo riginal contain‐
er sw hen using, storing or disposing of
operating fluids. #
Alwayss tore operating fluids sealed in
th eir original containers. #
Alwaysk eep children away from operat‐
ing fluids. +
ENVIRONMEN
TALN OTE Environmental
pollution du etodisposing of operating
fl uids in anon-en vironmen tallyr esponsi‐
ble manner Operating
fluids include thef ollowing:
R fuels
R exhaus tgas af tertre atment additives, e.g.
DEF
R lubricants
Incor rect disposal of ope rating fluids can
caus econsiderable damag etothe environ‐
ment. #
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. Operating
fluids include thef ollowing:
R fuels
R exhaus tgas af tertre atment additives, e.g.
DEF
R lubricants
R coolant
R brak efluid
R windshield washer fluid
R climat econtrol sy stem refrigerants
Use onl yproducts recommended byMercedes-
Benz.D amagecaused bytheu se of products that ha
ve notb eena pprove disn otcoveredbyt he
Mercedes-Benzg uarantee or goodwill gestures.
Yo uc an identif yoperatin gfluids appr ovedby
Mercedes-Benzbyt hefollowing insc ript ions on
th ec ontainer:
R MB-F reigabe (e.g. MB- Freigabe 229. 51 )
R MB-Appr oval (e.g. MB-App rova l2 29.51)
Fu rther information on appr ovedoperating fluids:
R intheMBS pecification sfor operating fluids
at http://be vo.mercedes-benz.com (b yenter‐
ing thed esignation)
R ataq ualified specialis tworks hop &
WARNING Risk offire or explosion from
fuel
Fu els ar ehighly flammable. #
Fire, open flames ,smokin gand creation
of spar ksmus tbea voided. #
Swit chofft he ignition and, if available,
th es tationar yheater ,befor eand while
re fueling thev ehicle. &
WARNING Risk of inju ryfrom fuels
Fu els ar epoisonous and hazardous to your
health. #
Do no tswa llowf uel or le titcomeinto
con tact wi thskin, eyes or clo thing. #
Do no tinhale fuel vapor. #
Keep children away from fuel. #
Keep door sand windo wsclosed du ring
th er efueling process.
If yo uoro ther people come int ocontact with
fuel, obser vethef ollowing: #
Immediatel yrins efueloffyo ur skin with
soap and water. #
If fuel comes int ocontact wit hyour
ey es, immediatel yrins ethem thor‐
oughly wit hclean water.Seek medical
attentio nimmediately. #
Ifyo us wallowf uel, seek medical atten‐
tio nimmediatel y.Do no tinduce vomit‐
ing. #
Chang eimmediately out of clo thing that
has com eintoc ontact wi thfuel. Te
ch nica ldata 325
Fu
el Note
sonf uelgrades on vehicles with agaso‐
line engine
Obse rvet he no tesono perating fluids
(/ page325).
* NO
TEDo no tuse diese ltorefuel vehicles
wit hag asoline engine. If
yo ua cciden tally refuel wit hthe wrong fuel:
R Do no tswitc hont he ignition. Otherwise
fuel can enter thee ngine.
Even small amounts of thew rong fuel
could result in damag etothe fuel sy stem
and thee ngine. The repair costs ar ehigh. #
Contact aqualified specialis tworks hop. #
Have thef uel tank and fue llin es drained
comple tely. Only
refuel using lo w-sulfur regular fuel wit hat
leas t87A KI/91RON.
% E1
0f uelcontains an additiv eofupto10%
et hanol. Your vehicle is suitable foru se with
E1 0f uel.Y ou can fuel your vehicle wit hE10
fuel.
* NO
TEDama gecaused bythew rong fuel Even small amounts of
thew rong fuel could
re sult in damag etothe fuel sy stem, engine
and exhaus tsystem. #
Onlyrefuel wit hthe recommended fuel. *
NO
TEDama gecaused bythew rong fuel Even small amounts of
thew rong fuel could
re sult in damag etothe fuel sy stem, engine
and exhaus tsystem.
Ne verrefuel wit hthe following:
R Diesel
R Gasoline wit hmoret han 10%e thanol by
vo lume, e.g. E15, E20, E85, E100
R Gasoline wit hmoret han 3% me thanol by
vo lume, e.g. M15, M30 ,M85,M 100
R Gasoline wit hadditives con tainin gm etal #
Do no tmix su chfuel switht he fuel rec‐
ommended fory our vehicle. %
To
ensur ethe long evity and per form anc eof
th ee ngine, onl yunleaded regular gasoline
ma ybeu sed. No
tethat theh igher quality premium grade
ga soline can be refueled at an ytime.
If yo ua reusin gdrums or canis ters to refuel the
ve hicle, yous houl dfilter thef uel befor efilling.
This will pr event malfunctions in thef uel sy stem
due tocontaminated fuel.
Usually youw illfind information abou tthe fuel
grade on thef uel pump. If ther eisnoi dentifica‐
tion on thef uel pump, consult agasstation
attendant.
% Fo
rfurther information ,contact aqualified
specialis tworks hop or visit http://
www.mbusa.com (US Aonly).
Note sona dditives in gasoline
Obser vethen otes on operating fluids
(/ page325).
* NO
TEDama gefrom use of unsuitable
additives Even smal
lamounts of thew rong additive
ma ylead tomalfunctions. #
Only add cleaning additives recommen‐
ded byMercedes-Benzt othe fuel. Mercedes-Benz
recommends using brand-name
fuels wi thadditives.
In som ecountries, thea vailable fuel ma ynotcon‐
ta in suf ficient amounts of additi ves. Deposits
could buildupint he fuel injection sy stem as a
re sult.
In this case, in consultation wit hanauthorized
Mercedes-Benz Center ,the fuel should be mixed
wit hthe cleaning additiv erecommended by
Mercedes-Benz.
Yo um usto bse rvet he no tesa nd mixing ratios
indica tedont he container.
Note sonf uelgrades on vehicles with diesel
engines
Gene raln otes
Obse rvet he no tesono perating fluids
(/ page325). &
WARNING Risk offire from fuel mixture
If yo um ix diese lfuel wit hgasoline ,the flash
poin toft he fuel mixtur eislowerthan that of
pur ediese lfuel.
While thee ngine is running ,component pa rts
in thee xhau stsystem ma yoverheat without
wa rning. 326
Tech nica ldata
#
Neverrefuel using gasoline in diesel
engines. #
Neverm ixga soline wit hdiesel fuel. *
NO
TEDama gedue toincor rect fuel Even small amounts of
thew rong fuel could
re sult in damag etothe fuel sy stem, the
engine and emission cont rols yst em.
Ne verrefuel with:
R Gasoline
R Marine diesel
R Heating oil
R Purebio-diese lorvegetab le oil
R Paraffin or kerosene #
Do no tmix suc hfuels wit hdiesel fuel
and do no tuse an yspecial additives.
If yo uh ave accidentally refueled wit hthe
wrong fuel ,obser vethef ollowing: #
Do no tswitc hont he ignition. #
Consult aqualified specialis tworks hop. *
NO
TEMalfunctions du etocontaminated
fuel Fu
el contamination can lead tomalfunctions
in thef uel sy stem. #
Ifyo ua reusin gdrums or canis ters to
re fuel thev ehicle, yous houl dfilter the
fuel befor efilling. *
NO
TEDama gedue toincor rect fuel Incor
rect fue lcan lea dtoengine damage. #
Refuel only ULSD or diesel fuel wit ha
sulfur content of maximu m15ppm. Usually
youw illfind information abou tthe fuel
grade on thef uel pump. If ther eisnoi dentifica‐
tion on thef uel pump, consult agasstation
attendant.
The fuel grade recommended fory our vehicle is
fo und on thei nstruction label in thef uel filler
fl ap . Note
sonl owoutside temperatures &
WARNING Risk offire and explosion due
to fuel igniting
If yo uh eat fuel sy stem components, e.g. with
ah eat gun or open flame, these components
could be damaged.
Fu el ma yleak out and ignite. Depending on
th et ype of damage, fuel might no tescape
until thee ngine is running. #
Neverh eat fuel sy stem components. #
Consult aqualified specialis tworks hop
to have them alfunction rectified. Re
fill onl ywithc ommerciall yavailable ULTRA-
LO WS ULFUR DIESEL (ULSD, maximum sulfur
content 15ppm), whic hfulfills theA STMD 975
st andard.
The flow properties of diesel fuel ma ybeinade‐
qu ateatl owoutside temp eratures due toparaf fin
separation.
% Malfunctions
resulting from paraf fins epara‐
tion can only be rectified byheating the
entir efuel sy stem. Park thev ehicle in a
heated garage ,for example.
To prev ent malfunctions, diesel fuel with
impr oved flow ch aracteristic sisavailable in the
winter mon ths. Yo uc an obtain fur ther informa‐
tion on this at theg asstatio norf romy our fuel
supplier.
Yo ur vehicle is equipped wit hafuel preheating
sy stem. This additionall yimp rove st he flow char‐
acteristic softhe diesel fuel byabout 14.5 °F
(8 °C). ULTR A-LO WS ULFUR DIESEL can be used
without risk of malfunction down toan outside
te mp eratur eofapproximately 14.5 °F (-1 0°C).
* NO
TEDama gedue togasoline or paraf fin Gasolin
eorparaffinind iese lfue limpair sthe
lubricity of thef uel. This can result in damage
to thef uel injection sy stem, fore xamp le. #
Do no tadd an ygasoline or paraf finto
diesel fuel toimpr oveitsflow character‐
istics. B20 fuels wit
hbio-diesel content
* NO
TEDama gedue toincor rect fuel Continuous use of fuels wi
thbio-diesel con‐
te nt ove r5%( B20 fuels) can leadtof uelfilter Te
ch nica ldata 327
clogging
.Deposits ma yalsof ormont he fuel
injector .This ma yreduce thee ngine output.
Unburned fuel can getint ot he oil pan. This
causes thee ngine oil le veltor ise. This can
cause engin emechanical damage.
Obser vethef ollowing points to avoid damage
and reducing thee ngine output: #
Fill up wit hfuels wit hbio-diesel content
of 5% (ULSD) or less, whene verp ossi‐
ble. #
Regular lych ecky our engine oil le velif
yo uu se B2 0fuels on aregular basis. #
Strictl yfollo wthe oil chang einter vals
qu oted in thei nstrument clus tera nd
within your Main tenance Bookl et. #
Use only engine oils and filters
appr ovedfor use in your vehicle. #
Ifyo udon otplan todriv eyour vehicle
fo rs everal weeks, comple tely fill the
fuel tank in ad vance wi thULSD fuel. Fo
rm orei nformation, consult theg asstation
st aff. The identification of fuels wit hbio-diesel
con tent (ULSD or B20) mus tbec lear .Ift he iden‐
tification is no tclear ,don otrefuel .Don otrefuel
wit ha nyfuel sthat ha venotb eena pprove df or
yo ur vehicle.
Ta nk content and fuel reser ve
The total capacity of thef uel tank ma yvary,
depending on thev ehicle equipment.
Ta nk content and fuel reser ve Gasoline engine
Total capacity
M2 74 approx.22g al
(85 liters) Diesel engine
Total capacity
OM6 51/OM642 appr ox.2 4.5 gal
(93 liters) Gasoline engine Of whic
hreser ve
fuel
Model switha ppr ox.
19 gal(85 l)tot al
capacity appr
ox.5g al
(1 9l iters) Diesel engine Of whic
hreser ve
fuel
Model switha ppr ox.
20 gal(93 l)tot al
capacity appr
ox.5g al
(1 9l iters) DEF
Note
sonD EF
Obser vethen otes on operating fluids
(/ page325).
DE Fisaw ater-soluble fluid fort he exhaus tgas
af te rtre atment of diese lengines.
* NO
TEDama gecaused byadditives in
DE Forbyd iluting DEF The DEFe
xhaustgasa ftertreatment sy stem
could be destr oyed bythef ollowing:
R Additives in DEF
R Dilutin gDEF #
Onlyuse DEFina ccordance wit hISO
222 41 . #
Do no tmix additives. #
Do no tdilut eD EF. *
NO
TEDama geand malfunctions caused
by impurities in DEF Impurities in DE
Fresult in thef ollowing:
R Higher emission values
R Damag etothe catalytic con verter
R Engine damage
R Malfunctions in theD EFexhaus tgas
af te rtre atment sy stem #
Avoid impurities in DEF. +
ENVIRONMENTAL
NOTESoiling wi th
DEF DEF
residue cr ystallizes af ters ome time and
st ain thea ffected sur faces. 328
Tech nica ldata
#
Immedia tely rinse su rfaces that com ein
con tact wi thDEF when filling wit hwater
or remo veDEF wi thad am pcloth and
col dw ater.
If DEF has alread ycrystallized, clean using a
spon geand col dwater. If
yo uo pen theD EFtank ,small amounts of
ammoni avapor ma ybereleased. Do no tinhale
an ya mmonia vapor that ma ybereleased. Fill the
DEF tank only in well-ventilated areas.
DEF consum ption and filling capacity
DEF consum ption
Lik efuel consum ption, DE Fconsum ption is highly
dependent upon driving stylea nd operating con‐
ditions. DEFc onsumption is usuall ywithin a
ra ng eof0a nd10%oft he fuel consum ption. If
necessar y,DEF mu stbe refilled in acco rdance
wit hthe instructions when ther efill messag eis
displa yedint he instrument clus ter.This ma yalso
be necessar ybetwe en thes cheduled mainte‐
nance.
To tal capacity of DEF tank Ve
hicl eT otal capacity
All model s5 .8gal(22 liter s) Exhau
stgasa ftertreatment
The exhaus tgas af tertre atment sy stem mus tbe
operated in conjunction wit hDEFif it is tofunc‐
tion cor rectl y.
If yo uo perat ethe vehicle without DEF or with
emissions-rele vant malfunctions ,the legal MOT
appr oval is in validated. Youw illthen probably no
longer be permitted tooperat ethe vehicle on
public roads.
It ma ybei mproper or punishable in som ecoun‐
tries tooperat eavehicle that uses no DE Forone
th at does no tcompl ywitht he specifications of
th ese operating instructions.
Engine management monitor sthe exhaus tgas
af te rtre atment component sfor compliance with
emiss ions la wsand regulations. If youa ttem ptto
operat ethe vehicle without DEF ,withd iluted DEF
or wit hadiffe re nt reducing agent ,this will be
de tected bythee ngine management sy stem.
Other emissions- releva nt malfunctions ,e.g.
me tering malfunctions or sensor er rors,a re also
de tected and log ged. The engin
emanagement sy stem subsequently
pr eve nts thee ngine being restar teda fter issuing
aw arning message.
Therefor eadd DE Ftank regular lyduring vehicle
operation or ,atthe latest, af terr eceiving thef irst
wa rning messag eviathei nstrument clus ter. Engine oil
Note
sone ngine oil
Obser vethen otes on operating fluids
(/ page325). *
NO
TEEngine damag ecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives #
Do no tuse engine oil soroilfilter sother
th an those whic hmeetthe specifica‐
tions necessar yfor thep rescribed
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 changed af tert he
prescribed inter vals. Mercedes-Benz
recommends having theo il
ch anged at aqualified specialis tworks hop.
Fu rther information on engine oil and oil filter:
R intheMBS pecification sfor operating fluidsat
http://be vo.mercedes-benz.com (b yentering
th ed esignation)
R ataq ualified specialis tworks hop Te
ch nica ldata 329