2019 MERCEDES-BENZ C-CLASS SEDAN ignition

Re
stra int system functiona lity When
theignition isswitc hedon,aself-t estis
per form ed, during whic hth e0075 restra int sys‐
te m wa rning lam plight sup. Itgoes outnolater
th an afe w sec ond saf te rth eve hicle isstar ted.
The com ponen tsof there stra int system areth en
func tional. Malfu
nctioning restra int system A
malfun ction has occurredin there stra int sys‐
te m if:
R the0075 restra int system warning lam pdoes
no tlight upwhen theignition isswitc hedon
R the0075 restra int system warning lam p
light sup con tinuousl yor repeat edly during a
jour ney 000A
WARNIN GRisk ofinju ryor fata linj ury
due toamalf unctionin there stra int sys‐
te m
If th ere stra int system ismalfunct ioning,
re stra int system com ponen tsma ybe trig‐ ge
redunint entionall yor might notbe trig‐
ge redat all intheev ent ofan acciden t.This
ma yaf fect theEmer gency Tensi oni ng Device
or airba g,forex am ple. 0007
Have there stra int system checkedand
re pair edimmediat elyat aqu alif ied spe‐
cialis two rkshop. Fu
nction ofthere stra int system inan acci‐
dent Ho
wthere stra int system worksis de term ined by
th ese verity of theim pact detected and thetype
of acciden tantic ipated:
R Front alim pact
R Rear impact
R Sideim pact
R Rollover
The activ ation thre sholds forth ecom ponen tsof
th ere stra int system arede term ined based on
th eev aluatio nof thesensor values measur edat
va rious points intheve hicle. Thisprocess ispre-
em ptive in nat ure. The trigg ering/ deplo yment ofth
ecom ponen tsof there stra int system mus t
ta ke place ingood timeatthest ar tof thecolli‐
sion.
Fa ctor swhi chcan only besee nand measured
af te ra colli sion hasoccur reddo notpla ya deci‐
siv ero le in thedeplo yment ofan airbag. Nordo
th ey prov ide anindic ation ofairbag deployment .
The vehicle maybe def ormed signif icantl ywit h‐
out anairbag beingdeployed. This isthecase if
onl ypar tswhic har ere lativ elyeasil ydef ormed
ar eaf fect ed and thera te ofvehicle deceler ation
is no thigh. Conversely ,an airbag maybe
deplo yedev en though theve hicle suffers onl y
minor deformation. Ifve ry rigid vehicle parts
suc has longitudinal membersar ehit, forex am‐
ple, this ma yre sult insuf ficie ntly highleve ls of
ve hicle deceler ation. 34
Occupant safety

R
The front passeng ersits insuc hawa yth at
th eir weight israised from thesitt ing sur‐
fa ce. 000A
WARNIN GRisk ofinju ryor deat hdue to
deactiv ated front passeng erairbag
If th ePA SSENGER AIRBAGOF Find icat or
lam pis lit,th efront passeng erairbag isdisa‐
bled. Itwill notbe deplo yedin theev ent of
an acciden tand cann otper form itsintended
pr otect ive func tion.
A per son inthefront passeng erseat could
th en, forex am ple, com eint ocon tact with
th eve hicle interior ,especially ifth eper son is
sitt ing tooclose tothecoc kpit.
If th efront passeng erseat isoccupied,
alw aysensur eth at:
R The classificat ion oftheper son inthe
fr ont passeng ersea tis cor rect and the
fr ont passeng erairb agisenabl edordisa ‐
ble din accor dance withth eper son inthe
fr ont passeng ersea t. R
The front passeng ersea thas been moved
as farbac kas possi ble.
R The person isseat edcor rectl y. 0007
Ensu re,bo th bef oreand during thejour‐
ne y,that thest atus ofthefront
passeng erairbag iscor rect. If
th efront passeng erseat isoccupied, theclas‐
sif ication oftheper son orchild restra int system
on thefront passeng erseat take splace afte rth e
fr ont passeng erfront airbagshut offself-t est.
The PASSENGER AIRBAGind icat orlam psdis‐
pla yth est atus ofthefront passeng erfront air‐
bag.
Alw aysobser vetheno teson thefunc tion ofthe
PA SSENGER AIRBAGind icat orlam ps
(0013 page44 ). Fu
nction ofthePA SSEN GERAIRBAGindic a‐
to rlam ps Se
lf-te st of aut oma ticfront passeng erfront
air bag shutoff
When theignition isswitc hedon,aself-t estis
per form ed dur ing whic hth etw oPA SSENGER
AIR BAGON and OFFind icat orlam pslight up
simul taneou sly. 44
Occupant safety

Side
windo ws Opening
andclosing theside windo ws 000A
WARNIN GRisk ofentr apment when
ope ning asid ewi ndo w
Whe nope ning asid ewi ndo w,par tsof the
body could bedraw nin or become trap pe d
be twee nth eside windo wand windo wframe. 0007
When opening ,mak esur eth at nobody
is touc hin gth eside windo w. 0007
Ifsomeone istrappe d,release thebut‐
to nimm ediate ly or pullit in order to
clos eth eside windo wag ain. 000A
WARNIN GRisk ofbeco ming trap ped
whe nclos ingasid ewi ndo w
Whe nclos ingasid ewi ndo w,body parts
could betrapped intheclosing area inthe
pr ocess. 0007
When closing,mak esur eth at no body
par tsarein theclosing area. 0007
Ifsomeon eis tra pped, release thebut‐
to nimm ediate ly or pres sth ebutt onin
or der toreopen theside windo w. 000A
WARNIN GRisk ofbeco ming trap ped
whe nch ildr enopera tetheside windo ws
Childr encould become trapped ifth ey oper‐
at eth eside windo ws,par ticular lywhen unat‐
te nde d. 0007
Activateth ech ild safetyloc kfo rth e
re ar side windows. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 0007
Neverlea vechildr enunat tende din the
ve hicle. Re
quirement s:
R The powe rsupp lyor theignition isswitc hed
on. 1
Closes
2 Opens
The buttons onthedr iver's door take prece‐
denc e. 0007
Tostar taut omatic operation :pr ess the
0062 buttonbeyond thepoint ofresis tance
or pulland release it. 80
Openingand closing

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Ve hicl eswithout apanor amicslid‐
ing sunr oof:The sliding sunroofdoes
no toper atesmoo thly. 0007
Push the0057 buttonuptothepoint ofresis tance untilth esliding sunroofisfull yopen. 0007
Press the0057 buttonforano ther secon d. 0007
Close thesliding sunroof.
Ve hicl eswith apanor amicsliding
sunr oof:The sliding sunrooforthe
ro ller sunblin ddoes notopera te
smoo thly. 0007
Pulland hold the0057 buttonlittle bylittleunt ilth esliding sunroofisfull yclosed. 0007
Pull and hold the0057 buttonlittle bylittleunt ilth ero ller sunblin dis full yclos ed. 0007
Use automat icopera tiontofully open andthen close thesliding sunroof. Anti-t
heftpr otection Fu
nction oftheimm obiliz er The
immo bilizerpreve nts your vehicle from being
st ar tedwit hout thecor rect Smar tKey .
The immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon.
When leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle. 0009
Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sstar terbatt eryis ch arge d),
th esy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call
1-8 00- FOR-MER Cedes (intheUS A)or
1-8 00- 387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R when adoor isopen ed R
when thetrunk lidisopened
R when thehood isopened
The ATA system isarmed automatic allyafte r
appr oximat elyte nseco ndsinthefo llo wing situa‐
tion s:
R afte rloc king theve hicle withth eSmar tKey
R afte rloc king theve hicle using KEYLES S-GO 88
Opening andclosing

Seats
Ad
jus tingthe fron tse at mec hanicall yand
el ec tric all y(w ithou tSe at Co mf ortPa ckag e) 000A
WARNIN GRisk ofbeco ming trap ped if
th eseats areadjus tedby childr en
Childr encould becom etrapped ifth ey adjus t
th eseats, particular lywhen unattended. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 0007
Neverlea vechildr enunat tende din the
ve hicle. The
seats canbeadjus tedwhen theignition is
switc hedoff. 000A
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. 0007
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". 000A
WARNIN GRisk ofacci dent dueto the
dr iver's seat notbeing engaged
If th edr iver's seat isno teng aged, itcould
mo veune xpectedl ywhile theve hicle isin
mo tion.
This could cause youto lose control of the
ve hicle. 0007
Alw aysmak esur eth at thedr iver's seat
is eng aged bef orest ar tin gth eve hicle. 000A
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion 0007
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. 000A
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Seats
andstow ing 91

1
Seatba ckrest inc linat ion
2 Seat height
3 Seat fore -and -aftpos ition 0007
Toadjus tth eseat fore -and-af tposi tion:
lif tle ve r3 and slideth eseat intoth e
desir edposition . 0007
Mak esur eth at theseat iseng aged. Ad
jus tingthe fron tse at mec hanicall yand
el ec tric all y 000A
WARNIN GRisk ofbeco ming trap ped if
th eseats areadjus tedby childr en
Childr encould becom etrapped ifth ey adjus t
th eseats, particular lywhen unattended. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 0007
Neverlea vechildr enunat tende din the
ve hicle. The
seats canbeadjus tedwhen theignition is
switc hedoff. 000A
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. 0007
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". 000A
WARNIN GRisk ofacci dent dueto the
dr iver's seat notbeing engaged
If th edr iver's seat isno teng aged, itcould
mo veune xpectedl ywhile theve hicle isin
mo tion.
This could cause youto lose control of the
ve hicle. 0007
Alw aysmak esur eth at thedr iver's seat
is eng aged bef orest ar tin gth eve hicle. 000A
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Seats
andstow ing 93

Ad
jus tingthe steer ing wheel electrically The
steer ing wheel canbeadjus tedwhen the
po we rsupp lyis switc hedoff. 1
Adjus tsthedis tance tothesteer ing wheel
2 Adjus tstheheight 0007
Save these ttings withth ememor yfunc tion
(0013 page10 2). Swi
tching thest eer ing wheel heateron oroff Re
quirement s:
R The ignit ionisswitc hedon. 0007
Turn theleve rin thedir ect ion ofarrow 1or
2.
If indicat orlam p3 lights up,thesteer ing
wheel heaterisswitc hedon. When
youswit chtheignition off,th esteer ing
wheel heaterswitc hesoff. Easy
entryand exitfeatur e Usi
ngtheeasy entryand exitfeatur e 000A
WARNIN GRisk ofacci dent whendr ivi ng
of fwhi lead jus ting theeasy exitfeatur e
‑ If yo udr ive of fwhile theeasy entryand exit
fe atur eis mak ingadjus tment s,yo uco uld
lose contro lof theve hicle. 0007
Alw ayswa itunt ilth eadjus tmentpr oc‐
ess iscom pletebef oredr iving off. 000A
WARNIN GRisk ofbeco ming trap ped
whi lead jus ting theeasy entryand exit
fe atur e
When theeasy entryand exitfeatur eadjus ts
th esteer ing wheel, youand other vehicle
occupants –par ticular lych ildr en–could
becom etrapped. Seat
sand stow ing 10
1

0007
Dur ing theadjus tmentpr ocess ofthe
easy entryand exitfeatur e,mak esur e
th at no onehas anybody partsinthe
sw eep ofthesteer ing wheel. 0007
Movetheadjus tmentle ve rof thesteer‐
ing wheel ifth er eis arisk ofbecoming
tr apped bythesteer ing wheel.
The adjus tmentpr ocess isstopped. 000A
WARNIN GRisk ofbeco ming trap ped
du ring acti vatio nof theeasy entryand
ex itfeatur eby childr en
If ch ildr enact ivat eth eeasy entryand exit
fe atur e,they can beco metrap ped ,pa rticu‐
lar lywhen unattende d. 0007
Neverlea vechildr enunat tende din the
ve hicle. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Ve
hicl eswith memor yfuncti on:Youcan stop
th eadjus tmentpr ocess bypressing oneofthe
memor yfunction position buttons. If
th eeasy entryand exitfeatur eis act ive, the
st eer ing wheel willmoveupw ards ortowa rdsth e
dashboar din thefo llo wing situat ions:
R youswit chtheignition off
R youopen thedr iver's door
0009 The steer ing wheel movesupw ards and
to wa rdsth edashboar donl yif it has not
alr eady reac hed thesteer ing limit er.
The steer ing wheel movesbac kto thelas tdr ive
position inthefo llo wing cases :
R youclo sethedr iver's door when theignition
is switc hedon
R youpr ess thest ar t/ stop butt ononce.
The lastdr ive position isstor ed inthefo llo wing
situat ions:
R youswit chtheignition off
R yousa ve these tting withth ememor yfunc ‐
tion
If yo upr ess oneof thememor yfunc tion position
butt ons, theadjus tmentpr ocess isstopped. Se
tting theeasy entryand exitfeatur e Mul
timedi asy stem:
0018 Vehicle 0019
î Vehicle Setting s
0019 Easy Entry/E xit 0007
Select Steering Wheel&Seat, Steering
Wheel OnlyorOff. Oper
ating themem oryfun ction 000A
WARNIN GRisk ofan acci dent ifth e
memor yfunction isused whiledr iving
If yo uuse thememor yfunc tion onthedr iv‐
er's side while driving, youco uld lose contro l
of theve hicle asare sult oftheadjus tments
being made. 0007
Onlyuse thememor yfunc tion onthe
dr iver's side when theve hicle isstatio n‐
ar y. 10
2
Sea tsand stow ing