ECU MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

Overvie
wofmenus on theo n-board
computer .................................................1 41
Menus and submenus (vehicles with‐
out steering wheel buttons) ..................... 14 2
Menus and submenus (vehicles with
st eering-wheel buttons) ........................... 14 4Mercede
sPRO ....................................... 15 0
Information aboutM ercedes PRO
(Mercedes me) ........................................ 15 0
Information aboutM ercedes PROcon‐
nect (Mercedes me connect) ................... 15 0
Making acall via theo verhead control
panel .......................................................1 50
Informatio nonthe breakdown assis‐
ta nce cal lvia theo verhead control
panel ........................................................ 151
Givin gpermission ford atat ransfer .......... 151
Tr ansmit tedd atad uring aservice call .....1 51 Multimedia sy
stem ............................... 15 2
No tesono perating saf ety. ...................... 15 2
Overvie wand operatio n........................... 15 2
Sy stem settings ....................................... 15 3
Callin gupt hetool menu .......................... 15 5
Na vigation ............................................... 15 5
Setting functions fors martphones ........... 161
Media ...................................................... 16 2
Ra dio .......................................................1 63
Up dating maps and sy stem softwar e.......1 65 Tr
anspo rting .......................................... 16 6
No tesonl oading guidelines ..................... 16 6
Load distribution ...................................... 167
Secu ring load s......................................... 16 8
Load securing aid ....................................1 72
Car rier sy stems ....................................... 173Maintenanc
eand care .......................... 175
No tesonm aintenance ............................. 175
Service inter vald ispla y........................... .175
Engine compartment ............................... 176
Cleaning and car e................................... .182 Breakdown assistance
.........................187
Emergency ............................................... 187
Mercedes-Benze mergency cal lsyst em ... 187
Fla ttire. .................................................. .189
Batter y..................................................... 189
To wing or tow- startin g............................. 197
Electrica lfus es ........................................ 201 Ve
hicle tool kit ......................................... 201 Wheels and tires
................................... 204
Information on noise or unusual driving
ch aracteristic s......................................... 204
No tesonr egular lyinspecting wheels
and tires .................................................. 204
Informatio nondrivin gw iths ummer
tires ........................................................ .204
Informatio nonM+S tires ......................... 205
No tesons nowc hains .............................2 05
Ti re pressur e........................................... 206
Ti re labeling .............................................. 211
Information on definitions (tires and
loading) .................................................... 214
Changin gawheel .................................... .216
Information on wheel and tir ecombi‐
nations ..................................................... 221
Spar ewheel ............................................ 222 Te
ch nical data ....................................... 225
No tesont hetech nica ldata. ................... 225
On-board electronic s............................... 225
Ve hicle identification plate, vehicle
identification number (VIN) and engine
number ....................................................2 26
Operating fluids and capacities .............. .227
Ve hicle dat a............................................ 232
Tr ailer hit ch............................................. 233
Cargo tie-d ownp oints and car rier sys‐
te ms ....................................................... .234 Displa
ymessages and warning and
indicator lamps ..................................... 235
Displa ymessages .................................... 235
Indicator and warning lamps .................. .260 Index
...................................................... 270 Con
tents 3

Note
sabout attachments, add-on equip‐
ment, installations and con versions
Note sonb ody/equipment mounting direc‐
tives
Bo th vehicle manufacturer sand body manufac‐
turer smusta lway se nsur ethat thep roducts they
manufactur ecome int ocirculation only in asafe
st at ea nd do no tpose an yrisk stop eople. Other‐
wise, ther em aybe consequences under civil,
criminal or public la w.All manu facturer sare
re sponsible fort he products that they have man‐
ufactured. Manufacturer sofattachments, add-on
equipment, ins tallation sand con versions must
guarantee complianc ewithD irective
2001/95/E Congeneral product saf ety.
Mercedes-Benz recommends thef ollowing proce‐
dur efor saf etyr easons:
R Do no tmakea ny ot herchanges tothev ehi‐
cle.
Ac cep tance testsp erform ed bypublic test bodies
or of ficia lapp rova ls do no trule out saf etyr isks.
% Yo
uc an obtain fur ther information at aquali‐
fi ed specialis tworks hop. &
WARNING Risk of accident and inju ryin
th ee vent of imprope rconversions or
ch anges tothev ehicle
Con versions or changes tothev ehicle can
pr ev ent sy stems or components from func‐
tionin gproper lyand/or jeopardiz ethe vehi‐
cle's operational saf ety. #
Alwaysh ave conversions or changes to
th ev ehicle car ried out at aqualified
wo rkshop. If
yo ui ntend tomak echanges to yourvehicle,
Mercedes-Benzs tron glyr ecommends that you
contact thed ealer .The yw ill giv eyou all thei nfor‐
mation youn eed. Ther emaybe acharg efor this
service.
If body manufacturer sand dealer smakem odifi‐
cations that af fect thef ina linspection of the
engine, vehicle or equipment, they mus taccept
sole responsibility fort he vehicle. This also
appliestom arking and documenting thev ehicle
parts af fected bythec hanges that they make. Yo
ua re re sponsible fore nsuring and pr oviding
ev idenc ethat thef ollowing condition sareme t:
R The vehicle complies wit hallre leva nt stand‐
ards and regulations that ar eaffected bythe
modification.
R The modified vehicle still meets thev ehicle
saf etys tandards and emission slaws andreg‐
ulations.
R The modification does no timp air thes afet yof
th ev ehicle.
Mercedes-Ben zisnotresponsible fort he final
inspection, product liability or warrant yclaims
re sulting from modification. This applies tothe
fo llowing points:
R The modified components or sy stems
R The resultant violation of emissions la wsand
re gulations or vehicle saf etys tandards
R All consequences resulting from them odified,
less saf eorevenf aulty vehicle
Mercedes-Benza ccepts noresponsibility as final
manu facturer or fort he resultant product liability.
Note sont heradiator
Even seeming lyminor changes tothev ehicle,
suc hasa ttaching aradiator grill in winter ,are not
permitted. Do no tcover ther adiator .Donotuse
an yt hermal mats, insect pr otection co vers etc.
Otherwise, thev alues of thev ehicle's diagnostic
sy stem will be dis torted. Some of these values
ar ep rescribed bylawa nd mus tbecorrect at all
times.
Note sont he partition
Wi thout apartition ,vehicles that ar eregis tered
as commercial vehicles (N1) do no tfulfill
ISO 27956, whi chdescribes thee quipment for
properly securing aload in deliver yvehicles. If
th ev ehicle is used totranspo rtgoods, retrofitting
th ep artition is stro ng lyrecommended ,asprop‐
erly secu ring thel oad in vehicles without aparti‐
tion will alw aysbeac omplexoperation. Operating Instructions
These Operating Instructions describe all models,
as well as standar dand optional equipmen tof
yo ur vehicle that wa sa vailable at thet ime of
going topress. Countr y-specific dif fere nces are
possible .Notet hat your vehicle ma ynotbe
equipped wit hall functions described. This is also
th ec ase fors yst ems and functions releva nt to
saf ety. Therefore, thee quipment on your vehicle 14
Generaln otes

twigs can collect betwee
nthe underbody and
th eu nderbody paneling. These materials may
ignit eift heyc ome int ocontact wi thhotp arts
of thee xhau stsystem. #
Have thev ehicle checkeda nd repaired
immediatel yataqualified specialist
wo rkshop.
or #
If driving saf etyisi mpaired while con‐
tinuing your journe y,pull over and stop
th ev ehicle immediatel y,while paying
attention toroad and traf ficc onditions,
and contact aqualified specialis twork‐
shop. Diagnostics connection
The diagnostics connection is atechnical inter‐
fa ce in thev ehicle. It is used, fore xamp le, within
th es cope of repair and maintenanc eworkorf or
re ading out vehicle dat abyaspecialistworks hop.
Diagnostic devices should therefor eonlybec on‐
nected byaq ualified specialis tworks hop. &
WARNING Risk of accident du etocon‐
necting device stothe diagnostics con‐
nection
If yo uc onnec tdevices tothed iagnostics con‐
nection of thev ehicle, thef unction of vehicle
sy stems and operating saf etym aybe
impaired. #
Fors afet yr easons, werecommend that
yo uo nly use and connec tproducts
appr ovedbyy our authorize dMercedes-
Ben zCenter. &
WARNING Risk of accident du eto
object sinthe driver's foot we ll
Object sinthe driver's foot we ll ma yimp ede
pedal tr avel or bloc kadepressed pedal.
This jeopardizes theo perating and road
saf etyoft hevehicle. #
Stow all object sinthevehicle securely
so that they canno tget intot he driver's
fo ot we ll. #
Alwaysi ns tallth ef loor mats securely
and as prescribed in order toensure
th at ther eisa lway ss ufficient room for
th ep edals. #
Do no tuse loose floor mats and do not
place floor mats on topofo ne ano ther. *
NO
TEBatter ydisch arging from using
device sconnec tedtot he diagnostics
connection Using devices at
thed iagnostics connection
drains theb atter y. #
Chec kthe charge leve loft he batter y. #
Ifth ec har geleve lisl ow,char getheb at‐
te ry,e .g. bydriving aconsiderable dis‐
ta nce. The connection and us
eofanother device on the
diagnostics connection can ha vethef ollowing
ef fects:
R Malfunctions in thev ehicle sy stem
R Perm anen tdamag etov ehicle components
Please refertot hewarrant yterms and conditions
re ga rding this.
Moreo ver,connecting equipment tothed iagnos‐
tics connection can lead toemissions monitoring
information being reset, fore xamp le. This may
lead tothev ehicle failing tomee tthe requ ire‐
ments of then exte missions inspection during
th em ain inspection. Note
sonc hanges tothee ngine output
Output inc reases can:
R Chang ethe emission values.
R Lead tomalfunctions.
R Result in consequential damage. General no
tes17

These dat
afor con venience and inf otainment
function smaybe sa vedl ocally in thev ehicle or
th ey ma ybel ocated on adevice whic hyou ha ve
connected tothev ehicle, suc hasasmartphone,
USB flash driv eorMP3 player.If yo uh ave
entered these dat ayourself, youc an dele tethem
at an ytime.
This dat aistransmit tedf romt hevehicle tothird
parties onl yatyourrequ est. This applies, in par‐
ticular ,when youu se online services in accord‐
anc ewitht he settings that youh aves elected.
Smartphone integ ratio n(e.g. Androi dAutoor
Apple CarPlay)
If yo ur vehicle is equipped appropriatel y,yo uc an
connec tyour smartphone or ano ther mobile end
device tothev ehicle. Youc an then cont rolthem
by means of thec ont role lements integrated in
th ev ehicle. The smartphone's pictur eand sound
can be output via them ultimedia sy stem. Simul‐
ta neously ,specific items of information ar etrans‐
fe rred toyour smartphone. Dependin gonthe
type of integration, this includes position data,
day/night mode and other general vehicle sta‐
tuses. Form orei nformation, please consult the
ve hicle Operating Instructions/info tainment sys‐
te m.
This integration allow sthe use of selected smart‐
phone apps, suc hasnavigation or music pla yer
apps. Ther eisnoadditional interaction between
th es martphon eand thev ehicle, particularly
activ eaccess tovehicle data. The type of addi‐
tional dat aprocessing is de term ined bythep ro‐
vider of thea pp being used. Whic hsettings you
can make, if an y,depends on thes pecific app
and theo perating sy stem of your smartphone. Onlin
eservices Wire
less networ kconnection
If yo ur vehicle has awireless networ kconnection,
dat acan be exchanged between your vehicle and
ot her sy stems. The wireless networ kconnection
is made possible bythev ehicle's owntransmitter
and receiver or byam obile end devic ethat you
ha ve brought int othe vehicle, fore xamp le, a
smartphone .Online function scan be used via
th is wireless networ kconnection .This includes
onlin eservice sand applications/apps pr ovided
to yo ubyt he manufacturer or by other pr oviders.
Manu factu rer's owns ervices
Re garding them anufacturer's online services, the
individual function saredescribed bythem anu‐
fa cturer in asuita ble place, fore xamp le, in the Operating Instructions or on
them anufacturer's
we bsite, wher ethe releva nt da taprotection infor‐
mation is also given. Personal identification data
ma ybeu sedtoprov ide onlin eservices. Dat ais
exc hanged via asecur econnection, e.g. them an‐
ufacturer's designated IT sy stems. An ypersonal
dat aw hicha recollected, processed and used,
ot her than fort he pr ovision of services, is done
so exc lusivel yonthe basis of legal permission.
This is thec ase, fore xamp le,foral egally prescri‐
bed emergency call sy stem, acont ractua lagree‐
ment or whe nconsent has bee ngiven.
Yo uc an ha veservices and functions, some of
whic haresubject toafee, activated or deactiva‐
te d. This excludes legall yprescribed functions
and services, suc hasanemergency cal lsystem.
Services of thirdp arties
If yo uu se online services from other pr oviders
(thir dparties), these services ar ethe responsibil‐
ity of thep rovide rinq uestion and subject tothat
pr ov ider's dat aprotection conditions and terms
of use. As ageneral rule, them anufacturer has
no influence on thec ontent exchanged.
Fo rthis reason ,when services ar eprovide dby
th irdp arties ,please ask thes ervice pr ovider in
qu estion fori nformation abou tthe type, extent
and pu rpose of thec ollection and use of personal
data. Data pr
otection rights Depending on
your countr yorthe equipment and
ra ng eoff unctions of your vehicle as well as the
services youu se and thes ervices on of fer, you
ar ee ntitle dtod iffe re nt da taprotection rights.
Fu rther information on dat aprotection and your
dat aprotection rights can either be found on the
manufacturer's websit eory ou will receiv ethis
information as par tofthevarious services and
service of fers .T he re,y ou will also find thec on‐
ta ct information fort he manufacturer and its data
pr otection of ficer.
At aw orks hop, fore xamp le, wit hthe suppor tofa
specialis tand possibly foraf ee,youc an ha ve
dat aread out whic hisstore do nlyl ocally in the
ve hicle. Event Data
Recorders US
Ao nly:
This vehicle is equipped wit hanevent data
re corder (EDR) .The mai npurpose of an ED Risto
re cord, in cer tain crash or near crash-lik esitua‐ 22
General no tes

Re
stra int sy stem Pr
otection pr ovided byther estraint sy stem The
restra int sy stem includes thef ollowing com‐
ponents:
R Seat belt sy stem
R Airbags
R Child restra int sy stem
R Child seat securing sy stems
The restra int sy stem can help pr eventthev ehicle
occupants from coming int ocontact wit hparts of
th ev ehicle interior in thee vent of an accident. In
th ee vent of an accident, ther estraint sy stem can
also reduce thef orces towhic hthe vehicle occu‐
pants ar esubjected.
Onl yas eat belt whic hiswornc orrectl yc an pro‐
vid ethe intended le velofp rotection .Depending
on thed etected accident situation, Eme rgency
Te nsioning Device sand/or airbags supplement
th ep rotection of fere dbyac orrectl yw orns eat
belt. Emer gency Tensioning Device sand/or air‐
bags ar enotdepl oyed in everya ccident.
In order fort he restra int sy stem toprov ide the
intended le velofp rotection ,eachv ehicle occu‐
pant mus tobser vethef ollowing information:
R Fasten seat belts cor rectl y.
R Sit in an almos tupright seat position wi th
th eir bac kagains tthe seat backrest.
R Sit wit htheir feet resting on thef loor ,ifp ossi‐
ble.
R Alwayss ecur epersons under 5ft(1.50 m)
ta ll in an additional restra int sy stem suitable
fo rt his vehicle.
Ho wever,no sy stem available toda yc an com‐
ple tely eliminat einjuries and fata lities in every
acciden tsituation. In particular ,the seat belt and
airbag general lydo no tprotect agains tobjects
penetrating thev ehicle from theo utside. It is also
no tp ossible tocomple tely rule out ther isk of
injur ycaused bythea irbag deploying. Limited pr
otection pr ovided byther estraint
sy stem &
WARNING Risk of inju ryor deat hdueto
modifications tother estraint sy stem
Ve hicle occupants ma ynolonger be pr otec‐
te dasi ntended if alterations ar emade tothe
re stra int sy stem. #
Nevera lter thep arts of ther estraint
sy stem. #
Nevertamper wit hthe wiring or any
electronic component parts or their
software. If it is necessar
ytoadjustthe vehicle toaccom‐
modat eaperson wit hdisabilities, con tact an
au thorized Mercedes-Benz Center ford etails.
US Ao nly: con tact ou rCustomer Assis tance Cen‐
te rat1 ‑877 ‑762‑826 7. Re
stra int sy stem functionality When
thei gnition is switched on, aself-tes tis
per form ed, during whic hthe 0075 restra int sys‐
te mw arning lam plight sup. It goes out no later
th an afew second safter thev ehicle is star ted.
The components of ther estraint sy stem ar ethen
functional. Re
stra int sy stem malfunction Am
alfunction has occur redint herestra int sys‐
te mint hefollowing cases:
R The 0075 restra int sy stem warning lam pdoes
no tlight up when thei gnition is switched on.
R The 0075 restra int sy stem warning lamp
light supc ontinuousl yorrepeatedly during a
journe y. &
WARNING Risk of inju rydue tomalfunc‐
tions in ther estraint sy stem
Components in ther estraint sy stem ma ybe
activated unintentionally or no tdeplo yas
planned in an accident. #
Have ther estraint sy stem checkeda nd
re paired immediatel yataqualified spe‐
cialis tworks hop. Fu
nction of ther estraint sy stem in an acci‐
dent Ho
wt he restra int sy stem worksisd etermined by
th es eve rity of thei mp act de tected and thet ype
of accident anticipated:
R Frontal impact
R Rear impact
R Side impact
R Rollover 24
Occupant saf ety

In order
fort he cor rectly wornseat belt topro‐
vide thei ntended le velofp rotection ,eachv ehicle
occupant mus tobser vethef ollowing information:
R The seat belt mus tnotbe twis teda nd mus tfit
tightl yand snu glya cross theb ody.
R The seat belt mus tberouted across thec en‐
te roft he shoulder and as lo wdowna cross
th eh ips as possible.
R The shoulder section of thes eat belt should
no ttouc hyour nec knorbe routed unde ryour
ar morb ehindyour bac k.
R Avoid wearing bulk ycloth ing, e.g. awinter
coat.
R Push thel ap belt down as farasp ossible
across your hips and pull tight wit hthe shoul‐
der section of theb elt. Ne verrout ethe lap
belt across your abdomen.
Pregnant women mus talso take particular
car ew itht his.
R Neverrout ethe seat belt across sharp, poin‐
te d, abrasiv eorfragile objects.
R Onlyone person should use eac hseat belt at
an yo ne time. Infants and children mus tnever
tra vels itting on thel ap of avehicle occupant.
R Nevers ecur eobjects wit haseat belt if the
seat belt is being used byone of thev ehicle's
occupants. Alw ayso bser vethei nstructions
fo rl oading thev ehicle when securing objects,
luggag eorloads (/ page166).
Also ensur ethat no objects, e.g. acushion,
ar ee verp laced between aperson and the
seat.
The seat belts on thef ollowing seats ar eequip‐
ped wit haspecial seat belt retractor:
R Co-driver seat
R Rear seats
Ac tivat eord eacti vate thes pecial seat belt retrac‐
to roft he seat belt (/ page36).
If ch ildren ar etrave ling in thev ehicle, alw ays
obser vethei nstruction sand saf etyn otes on
"Children in thev ehicle" (/ page34). Limitations of
thep rotection pr ovided bythe
seat belt &
WARNING Risk of inju ryor deat hdueto
an incor rect sea tposition
The sea tbeltd oesn otoffert he intended le vel
of pr otection if youh ave notm ove dthe seat
backres ttoana lmostvertical position.
In particular ,you could slip beneat hthe seat‐
belt and become injured. #
Adjus tthe seat properly befor ebegin‐
ning your journe y. #
Alwayse nsur ethat thes eat backres tis
in an almos tvertical position and that
th es houlder belt is routed across the
center of your shoulder. &
WARNING Risk of inju ryor deat hwhen
additional restra int sy stems ar enotused
fo rp ersons wit hasmaller stature
Pe rsons under 5ft(1.50 m)t all canno twear
th es eat belt cor rectly wi thout asuitable addi‐
tional restra int sy stem. #
Alwayss ecur epersons under 5ft
(1.50 m) tall in asuitable restra int sys‐
te m. &
WARNING Risk of inju ryor deat hdueto
damaged or modified seat belts
Seat belts cann otprov ide pr otection in the
fo llowing situations:
R The seat belt is damaged, has been modi‐
fied, is extremely di rty, bleached or dyed
R The seat belt buckle is damaged or
ex treme lydirty
R Modification shave been made tothe
Emergency Tensioning Device ,sea tb elt
anchorag eorseatb eltr etra ctor
Sea tbelts ma ysustain non-visible damag ein
an accident, e.g .due toglass splin ters.
Modified or damaged seat belts could tear or
fa il in thee vent of an accident, fore xamp le.
Modified Emer gency Tensioning Devices
could accidental lytrig gerorf ailtofunction as
intended. #
Neverm odify thes eat belt sy stem, for
ex ample thes eat belt, seat belt buckle, 26
Occupant saf ety

*
NO
TEImpor tant points toremember if
th ef ront passenger seat is unoccupied In an accident
,the components of the
re stra int sy stem ma ydeplo yunnecessaril yon
th ef ront passenger side if:
R Ther eareheavy object sonthe front
passenger seat.
R The seat belt tongu eise ngaged in the
seat belt buckle of thef ront passenger
seat and thef ront passenger seat is unoc‐
cupied. #
Stow object sinas uitable place. #
Onlyone person should use eac hseat
belt at an yone time. Pr
otection pr ovided bythea irbags Dependin
gonthe accident situation, an airbag
ma ysupplement thep rotection of fere dbyac or‐
re ctly fastened seat belt. &
WARNING Risk of inju ryor deat hdueto
an incor rect sea tposition
If yo ud eviat ef romt he cor rect sea tposition,
th ea irbag cann otper form its intended pro‐
te ctiv efunction.
Eac hvehicle occupant mus tmakes ureoft he
fo llowing:
R Fasten seat belts cor rectly .Pregnant
wo men mus ttak ep articular car eto
ensur ethat thel ap belt ne verliesa cross
th ea bdomen.
R Adoptthe cor rect sea tpositio nand keep
as fara wa yasp ossible from thea irbags.
R Obser vethef ollowing information. #
Alwaysm akes uret hat ther ea reno
object sbetwe en thea irbag and vehicle
occupant. To
avo idther isk sresulting from thed eployment
of an airbag, eac hvehicle occupant mus tobser ve
th ef ollowing information in particular:
R Befor estartin gy our journe y,adjus tyour seat
cor rectl y;bo th th edrive r's and co-driver seat
should be mo vedasf ar bac kaspossible. When doing so, alw
ayso bser vethei nforma‐
tion on thec orrect driver's sea tposition
(/ page 62).
R Onlyhold thes teering wheel bythes teering
wheel rim. This allows thea irbag tobe fully
deplo yed.
R Alwaysl ean agains tthe seat backres twhen
th ev ehicle is in motion. Do no tlean forw ards
or agains tthe door or side windo w.Youm ay
ot herwise be in thed eployment area of the
airbags.
R Alwaysk eep your feet on thef loor .Don otput
yo ur feet on thec ockpit, fore xamp le.Your
fe et ma yotherwise be in thed eployment area
of thea irbag.
R Ifch ildren ar etrave ling in thev ehicle, obser ve
th ea dditional no tes( /pag e34).
R Alwayss towa nd secur eobject scorrectl y.
Objects in thev ehicle interior ma ypreve nt an air‐
ba gf romf unctioning cor rectly .Eachv ehicle
occupant mus talway sm akes ureoft hefollowing
in particular:
R Ther eareno people, animals or objects
between thev ehicle occupants and an airbag.
R Ther eareno objects between thes eat, door
and door pillar (B-pillar).
R Ther eareno har dobjects, e.g. coat hangers,
hanging on theg rabh andles or coat hooks.
R Ther eareno accessor yparts, suc hasmobile
navigation devices, mobile phones or cup
holders, attached tothev ehicle within the
deployment area of an airbag, e.g. on the
cockpit, on thed oor ,ont he side windo wor
on thes ide trim.
In addition, no connectin gcables, tensioning
st ra ps or retai ning stra ps mus tberouted or
atta ched tothev ehicle within thed eployment
area of an airbag. Alw aysc omply wit hthe
accessor ymanufacturer's ins tallation instruc‐
tion sand, in particular ,the no tesons uitable
places fori ns tallation.
R Ther eareno heavy ,sharp-edged or fragile
object sinthe poc kets of your clo thing. Store
suc hobjectsinas uitable place. Occupant saf
ety29

Af
teri nstalling arear ward-facin gchild
re stra int sy stem on thec o-d rive rs eat:
PA SSENGER AIR BAGO FF mus tbelit continu‐
ousl y. &
WARNING Risk of inju ryor deat hwhen
using arear ward-facing child restra int
sy stem while thef ront passenger airbag
is enabled
If yo us ecur eac hild in arear ward-facing child
re stra int sy stem on thef ront passenger seat
and theP ASSENGER AIR BAGO FF indicator
lam piso ff,t he front passenger airbag can
deplo yintheeve nt of an accident.
The child could be stru ck bythea irbag.
Alw ayse nsur ethat thef ront passenger airbag
is disabled. The PASSENGER AIR BAGO FF
indicator lam pmustbel it.
NEVE Rusearear ward-facing child restra int
sy stem on aseat wit hanENABLED FRONT
AIRB AG.Thisc an result in theD EATH of or
SERIOUS INJUR YtotheCHILD. When ins
talling achild restra int sy stem on the
co-driver seat, obser vethev ehicle-speci fici nfor‐
mation (/ page39).
Depending on thec hild restra int sy stem and the
st atur eoft hechild, theP ASSENGER AIR BAG
OFF indicator lam pmaybe off. In this case, do
no tins tallth er ear ward-facing child restra int sys‐
te mont he co-driver seat.
Ins tead, install ther ear ward-facing child restra int
sy stem on asuitable rear seat.
Af teri nstalling aforwa rd-facin gchild
re stra int sy stem on thec o-d rive rs eat:
depending on thec hild restra int sy stem and the
st atur eoft hechild, PASSENGER AIR BAGO FF
ma ybel it continuousl yorbeoff.A lway so bser ve
th ef ollowing information. &
WARNING Risk of inju ryor deat hdueto
incor rect positioning of thef orwa rd-
fa cing child restra int sy stem
If yo us ecur eac hild in aforwa rd-facin gchild
re stra int sy stem on thef ront passenger seat
th at is positioned tooc lose tothec ockpit, in
th ee vent of an accident ,the child could:
R com eintoc ontact wi th thevehicle interior
if th eP ASSENGER AIR BAGO FF indicator
lam pisl it,fore xamp le
R bestru ck bythea irbag if theP ASSENGER
AIR BAGO FF indicator lam pisoff. #
Alwaysm ove thef ront passenger seat
as farb ackasp ossible and fully retract
th es eat cushion lengt hadjustment.
While doing so, alw aysm akes uret hat
th es houlder belt stra pisc orrectly
ro uted from thes eat belt outle tofthe
ve hicle tothes houlder belt guide on the
ch ild restra int sy stem. The shoulder belt
st ra pm ustber outed forw ards and
down wardsf romt he seat belt outlet. If
necessar y,adjus tthe seat belt outlet
and thef ront passenger seat accord‐
ingly. #
Alwaysc ompl ywitht he child restra int
sy stem manufacturer's ins tallation
instructions. When ins
talling achild restra int sy stem on the
co-driver seat, obser vethev ehicle-speci fici nfor‐
mation (/ page39).
If ap erson is sitting on thec o-d rive rs eat:
PA SSENGER AIR BAGO FF ma ybelit continuously
or be off, dependin gonthe person's stature.
Ap erson on thec o-driver seat mus talways
obser vethef ollowing information:
R Ifth ec o-driver seat is occupied byan adult or
ap erson wit hastatur ec orresponding tothat
of an adult ,the PASSENGER AIR BAGO FF
indicator lam pmustbeo ff.T his indicates that
th ec o-driver airbag is enabled.
If th eP ASSENGER AIR BAGO FF indicator
lam pisl it continuousl y,an adult or person
wit hab uild cor responding tothat of an adult
should no tuse thec o-driver seat.
Ins tead, they should use arear seat.
R Ifth ec o-driver seat is occupied byap erson
of smaller statur e(e.g. ateenager or small
adult), theP ASSENGER AIR BAGO FF indica‐
to rlamp either lights up continuously or 32
Occupant saf ety

re
mains off, depending on ther esult of the
classi fication.
- Ifth eP ASSENGER AIR BAGO FF indicator
lam piso ff:m ovet he co-driver seat as far
bac kasp ossible, or thep erson of smaller
st atur eshoul dusearear seat.
- Ifth eP ASSENGER AIR BAGO FF indicator
lam pisl it continuously: thep erson of
smaller statur eshoul dnotuse thec o-
driver seat. &
WARNING Risk of inju ryor deat hwhen
th eP ASSENGER AIR BAGO FF indicator
lam pisl it
If th eP ASSENGER AIR BAGO FF indicator
lam premain slit af tert he self-test, thef ront
passenger airbag is disabled.
If th ef ront passenger seat is occupied,
alw ayse nsur ethat:
R The classification of thep erson in the
front passenger seat is cor rect and the
front passenger airbag is enabled or disa‐
ble dina ccordance wit hthe person in the
front passenger seat.
R The person is seated properly wit hacor‐
re ctl yfastened seat belt.
R The front passenger seat has been mo ved
as farb ackasp ossible. Be sur
etoalso obse rvet he following fur ther rela‐
te ds ubjects:
R Child restra int sy stem on thec o-driver seat
(/ page39). Au
tomatic measures af terana ccident
Depending on thet ype and se verity of thea cci‐
dent ,and depending on thev ehicle's equipment,
th ef ollowing measures can be implemented, for
ex ample:
R Activating theh azar dwarning lights
R Triggering an automatic emer gency call
(/ page 187)
R Swit ching of fthe engine
To restar tt he vehicle, switc hthe ignition off
and switc hitbackon( /pag e97). Depend‐
ing on thet ype and se verity of thea ccident ,it
ma ypossible that thev ehicle can no longer
be star ted.
R switching of fthe fuel supply R
Unlocking thev ehicle doors
R Lowe ring thef ront side windo ws
R Switching on thei nterior lighting Safel
ytransporting children in thev ehicle Alw
ayso bser vewhen children ar etrave ling in
th ev ehicle %
Alw
ayso bser vethes afet yn otes releva nt to
th es ituation .Indoing so, youw ill be able to
identify possible risk sa nd avoid dangers
when children ar etrave ling in thev ehicle
(/ page34).
Be diligent
Bear in mind that negligenc ewhen securing a
ch ild in thec hild restra int sy stem ma yhaves eri‐
ous consequences. Alw aysbed iligent and secure
ac hild carefully befor eeachj ourne y.
To impr ovep rotection forc hildren younger than
12 yearso ld or unde r5ft(1.50 m) in height,
Mercedes-Ben zrecommends youo bse rvet he fol‐
lowing information:
R Alwayss ecur ethe child in achild restra int
sy stem suitable fort his Mercedes-Benz vehi‐
cle.
R The child restra int sy stem mus tbeappropri‐
at etot he age, weight and size of thec hild.
R The vehicle seat mus tbesuitable fori ns tal‐
ling achild restra int sy stem.
Ac cident statistic sshowt hat children secured on
th er ear seats ar egenerally safer than children
secured on thef ront seats. Forthis reason,
Mercedes-Ben zstrong lyadvises that youi nstall a
ch ild restra int sy stem on arear seat.
The generic term ch ildrestra int sy stem
The generic term child restra int sy stem is used in
th is se tofO peratin gInstructions .Achild
re stra int sy stem is, fore xamp le:
R ababyc ar seat
R arear ward-facing child seat
R aforwa rd-facin gchild seat
R achild boos ters eat wit habackres tand seat
belt guides
The child restra int sy stem mus tbeappropriat eto
th ea ge,w eight and size of thec hild. Occupant saf
ety33

Obser
velaws and regulations
Alw ayso bser vethel egal requirements when
using achild restra int sy stem in thev ehicle.
Obser vestandards forc hild restra int sy stems
All child restra int sy stems mus tmeetthe follow‐
ing standards:
R U.S. Federal Mo torV ehicle Saf etyS tanda rds
21 3a nd 225
R Canadian Mo torV ehicle Saf etyS tanda rds2 13
and 210.2
Confirmatio nthat thec hild restra int sy stem com‐
plies wit hthe standards can be found on an
instruction label on thec hild restra int sy stem.
This confirmation can also be found in thei nstal‐
lation instructions that ar eincluded wit hthe child
re stra int sy stem. De
tectin grisks, avoiding danger Securing sy
stems forc hild restra int sy stems
in thev ehicle
Onl yusethef ollowing securing sy stems forc hild
re stra int sy stems:
R The LATC H-type (ISOFIX )secu ring rings
R The sea tbelts yst em of thev ehicle
R The TopT ether anchorages
Ins talling aLATCH -type (ISOFIX )child restra int
sy stem is favo red.
Simpl yattaching tothes ecuring rings on the
ve hicle can reduce ther isk of ins talling thec hild
re stra int sy stem incor rectly.
Whe nsecu ring achild wit hthe integrated seat
belt of theL ATCH -type (ISOFIX )child restra int
sy stem, alw aysc omply wit hthe permissible gross
we ight fort he child and child restra int sy stem
(/ page37).
Ab oos ters eat ma ybenecessar ytoachieve
proper seat belt positioning forc hildren over
40 lbs (1 8kg) in weight or until they reac ha
heigh twher eat hree-point seat belt can be fas‐
te ned prope rlyw ithout aboos ters eat.
Mercedes-Benz recommends achild boos ters eat
wit hab ackres tand seat belt guides.
Ad vantag eofar earward-facin gchild restra int
sy stem
It is preferable totranspo rtab abyoras mall
ch ild in asuitable rear wa rd-f acin gchild restra int
sy stem. In this case, thec hild sits in theo pposite direction
tothed irection of tra vela nd faces
ba ckwa rds.
Babies and small children ha vecompa ratively
we ak nec kmuscles in relation tothes ize and
we ight of their head. The risk of injur ytothe cer‐
vical spine during an accident can be reduced in
ar ear ward-facing child restra int sy stem.
Alw ayss ecur eac hildrestra int sy stem cor‐
re ctly &
WARNING Risk of inju ryor deat hdueto
incor rect ins tallation of thec hild restra int
sy stem
The child can then no tbep rotected or
re stra ined as intended. #
Be sur etocomply wi th themanufactur‐
er's ins tallation instructions fort he child
re stra int sy stem and its cor rect use. #
Mak esuret hat thee ntir ebase of the
ch ild restra int sy stem alw aysr ests on
th es itting sur face of thes eat. #
Neverp lace objects (e.g. cushions)
under or behind thec hild restra int sys‐
te m. #
Use child restra int sy stems onl ywith
th eo riginal co verd esigned fort hem. #
Alwaysr eplace damaged co vers with
ge nuine co vers. &
WARNING Risk of inju ryor deat hdueto
unsecured child restra int sy stems in the
ve hicle
If th ec hild restra int sy stem is incor rectly
ins talled or no tsecured, it can com eloose.
The child restra int sy stem could be flung
aroun dand hit vehicle occupants. #
Alwaysi ns tallch ild restra int sy stems
cor rectl y,eve nw henn otin use. #
Alwaysc ompl ywitht he child restra int
sy stem manufacturer's ins tallation
instructions. R
Alwayso bser vethec hild restra int sy stem
manufacturer's ins tallation and operating 34
Occupant saf ety