light MERCEDES-BENZ C CLASS 2021 Service Manual

The
electr olyteis hazar dous tohealt hand
causes irrita tio n.Itmu stnotcome intocon‐
ta ct with your skin, eye s,respir ator yor ga ns
or clo thing orbe swallo wed. #
Ifyo uco me intoco ntact withelec tro‐
ly te ,obser vethefo llo wing:
R Imm ediat elyrinse theelectr olyte
fr om your skin wit hwa terand seek
medica latt ention.
R Ifelectr olyt ecomes intocont act
wit hyo ur eyes, immediat elyrinse
th em thor oughly withclean water
and seek medicalattent ion.
R Ifth eelectr olyt eis sw allo wed,
immediat elyrinse your mout hout
th or oughl y.Do notind uce vomiting.
Seek medica latt ention immedi ately .
R Immedia tely ch ang eout ofclo thing
whic hhas been contaminat edwith
electr olyt e.
R Ifan allergic react ion occurs, seek
medi calattent ion imm ediat ely. The
inside rear vie wmir rorand theoutside mir‐
ro ron thedr iver's side willautomaticall ygo into
anti- glar emode iflight from aheadlam phit sth e
sensor ontheinside rear vie wmir ror.
Sy stem limit s
The system will notgo intoanti- glar emode if:
R The engineisswit ched off.
R Reversege ar iseng aged.
R The interior light ingisswit ched on. Fr
ont- passeng erout side mirrorpar kingpos i‐
tio nfun ction The
parking posit ionmak espar kingeasier .
The front -pass engerouts idemirrorwil lswi vel
do wn wardsin thedir ect ion ofthere ar wheel on
th efront passeng er'sside when:
R The parking position isstor ed (/ page12 5).
R Thefron t-pa ssenger mirror isselect ed.
R Reversege ar iseng aged. The
fron t-passe nger out side mirrorwil lmo ve
bac kto its original positionwhen:
R Youshif tth etra nsmiss iontoano ther trans‐
mission position.
R Youar etra veling ataspeed grea terth an
9 mp h(1 5 km/h).
R Youpr ess thebutt onforth eoutside mirror
on thedr iver's side. 12
4
Light andvisib ility

St
oring thepa rking posit ionofthefront-
pa sseng erout side mirrorusi ng reve rsege ar St
oring #
Sele ctthefront -passen geroutsi demir ror
usin gbut ton2. #
Eng agere ve rsege ar. #
Movethefront -passen geroutsi demir rorint o
th edesir edpar king position usingbutton1. Calling
up #
Select thefront -passen geroutsi demir ror
usin gbut ton2. #
Eng agere ve rsege ar.
The fron t-passe nger out side mirrorwil lmo ve
int oth estor ed par king position. Ac
tiv atin g/deac tivatin gthe automati cmir ror
fo lding function Multime
diasystem:
4 Vehicle 5
î Vehicle Setting s
5 Autom .Mirror Folding #
Activate0073 ordeacti vate 0053 thefunc tion. Light
andvisibility 12
5

#
Activate0073 ordeacti vate 0053 thefunc tion. Se
tting climat econtr olto aut omatic mode In
automatic mode, these tte mp eratur eis con ‐
tr olled andmaint ained atacon stant leve lby the
air suppl y. #
Press the 0058 button. #
Toswitc hto manu almode :pr es sth e H
or 008F button. Climat
est yle Clim
atest yle fun ction
The follo wing climat est yles areav ailable inaut o‐
mat icmode :
R FOCUS: highairflow ,slight lycooler setting
R MEDIUM: mediumairflow ,st andar dse tting
R DIFFUSE: low air flow ,slight lywa rmerand
dr aft-fr ee setting Ad
jus tingthe climat emode settin gs
Mu ltimed iasystem:
4 Vehicle 5
b Climate Control
5 Climate Mode #
Select Driverand/or Passenger. #
Select FOCUS, MEDIUMorDIF FUS E.
% Tofeel theef fect of theclimat est yle, the
0058 function mustbe activ e(/ page12 8). Se
tting there ar climat eco ntr olusin gth e
mu ltim edia system Multi
media system:
4 Vehicle 5
b Climate Control5
Rear
Se tting theair flow #
Sele ctAir flow. #
Setth eair flow .
Se tting thete mp eratur e #
Sele ctTempe rature. #
Setth ete mp eratur e. Ac
tiv atin g/deac tivatin gthe climat eco ntr ol
syn chronizat ionfunction viatheair condi‐
tioni ngcontr olpa nel Climat
econ trol can besetcen trall yusing the
sync hronization function.Thetemp eratur eand
air distribution settings forth edr iver's side will
be adop tedaut omatic allyfo rth efront passeng er
side. #
Press the 0 button.
The sync hroniz ation function willbedeactiv ated
if th ese ttings forone oftheot her climat econ‐
tr ol zones arech ang ed. Ac
tiv atin g/deac tivatin gthe climat eco ntr ol
syn chronizat ionfunction viathemu ltim edia
sy stem Multi
media system:
4 Vehicle 5
b Climate Control
5 SYNC
Climat econ trol can besetcent rally using the
sync hronization function.Thetemp eratur ese t‐ 12
8
Climat eco ntro l

#
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R Youopen thedr iver's door .
R Youpr ess button1 twice mor e. #
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R Youdo notst ar tth eve hicle within
15 minut esand thetransmission isin posi‐
tion 005Dortheelectr icpar king brak eis
applied.
R Youpr ess button1 once . St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk offire due toflammab le
mat erial intheengine compartmen tor
th eex haus tsy stem
Flammable materials mayignit e. #
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s:
R The Smar tKey isin theve hicle andisrecog‐
nized . #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. 13
2
Driving and parking

R
The fuel tank issu fficien tly full.
R The star terbatt eryis suf ficie ntly charge d.
Char ging thest ar terbatt erybe fore star ting
th ejou rney
If th eve hicle batteryis disc harged, youcan
re cei veames sageon your smar tphon e.Youcan
th en star tth eve hicle withth esmar tphon eto
ch arge thebatt ery. The vehicle isaut omatically
switc hedoffaf te rte nminu tes.
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly full. St
arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. #
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated.
R The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
of f.
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand slidin gsun roof areclosed. #
Startth eve hicle using thesmar tphon e.
Af tereve ryengine star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. Yo umus tst ar tth eve hicle
once withth eSmar tKey bef oretrying tostar t
th eengine again withth esmar tphon e.Youcan
st op theve hicle again atanytime.
% Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. 13
4
Driving and parking

The
engine isrestar tedaut omatic allyif:
R Youen gage trans missi on positio n005B or005E.
R Youdepr esstheacceler ator pedal.
R Anautomatic enginestar tis requ ired bythe
ve hicle.
R Youre lease thebr ak epedal.
R Vehicl eswith a48 Von-b oardele ctrical
sy stem:
- Youre lease thebr ak epedal onado wnhill
gr adient andtheve hicle does notro ll.
- The vehicle rolls on ado wnhill gradien t
and does notaut omat icallyent erglide
mode at15 mp h(2 0km/h).
EC Ostar t/ stop funct ionsymbols inthemulti‐
func tion displa y:
R The 00D6 symbol (green) appear swhen the
ve hicle isat ast ands till:th eengine was
switc hedoffby theEC Ostar t/ stop funct ion.
R The 00D5 symbol (yello w)appear swhen the
ve hicle isat ast ands till:no tall vehicle condi‐
tions foran engine stop have been met. R
Neit herthe00D6 nor00D5 symbol appears
when theve hicle isat ast ands till:an intelli‐
ge nt stop inhibit orwa sde tected, forex am‐
ple, ast op sign.
If th eengine wasswitc hedoffby theEC Ostar t/
st op funct ionand youlea vetheve hicle, awa rn‐
ing tone sou nds and theengine isno tre star ted.
In addition, thefo llo wing displa ymess age
appear sin themultifunc tiondispla y:
Vehicle ReadytoDrive Switchthe Ignit ionOff
Befor eEx iting
If yo udo notswit choffth eignition ,it is aut o‐
maticall yswitc hedoffaf te rth re eminut es. Deactiv
atingoractiv ating theECO star t/
sto pfunc tion #
Press button 1.
If indi catorlamp 2light sup, theEC Ostar t/
st op funct ionisactiv ated.
% Depending onthemodel andtheve hicle
eq uipment, thebutt onmayalso belocat ed
at adif fere nt positio nin thecent ercon sole. 14
0
Driving and parking

ECO
displayfun ction The
ECOdispla ysumm arize syo ur drivin gch ar‐
act eristic sfrom thest ar tof thejour neyto its
com pletion andassis tsyouin achie vingth e
mos teconomical driving style.
Yo ucan influen ceconsum ption bydoing thefo l‐
lo wing:
R Drivin gwit hpar ticular care
R Drivin gth eve hicle indrive pr ogr am ;
R Obser vingthege arshif tre comme ndations The
inner segment willlight upand theout er
segment willfill up when thefo llo wing drivin g
st yle is adop ted:
R 1 Moder ateaccelera tion
R 2 Gentle deceler ationandrolling
R 3 Consis tent spe ed
The inne rseg ment willno tlight upand theout er
segment willemptywhen thefo llo wing drivin g
st yle is adop ted:
R 1 Spor tyacceler ation
R 2 Hea vybraking
R 3 Fluct uations inspeed
The ECOdispla ywill showyo uwhen youha ve
dr iven econ omicall y:
R The thre eout ersegment sar ecom pletely fil‐
led simult aneousl y.
R The ECOdispla ylights up.
The additional rang eac hieve das are sult ofyour
dr ivin gst yle in com parison withadr iver wit ha
ve ry spor tydriving style is sho wnunder Bonus fr.
Start. The rang edispl ayed does notindicat ea
fi xe dre duction incon sum ption. DY
NA MIC SELECT switch Fu
nction oftheDY NA MIC SELECT switch *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. %
Depe nding ontheengine andequipment,
th eve hicle hasdiffere nt drive pr ogr ams.
Use theDY NA MIC SELE CTswitc hto chang e
be tween thefo llo wing drive pr ogr ams.
The drive pr og ram sele cted app earsin themulti‐
func tion displa yof theon- boar dcom puter.
= Individual
R individual settings
B Sport+
R particular lyspor tydriving Dr
iving andparking 14
1

1
Fuelfiller flap
2 Brac ketfo rfuel filler cap
3 Tire pressur eta ble
4 QRcode forre scue card
5 Fueltype #
Press thebac kar ea offuel filler flap 1. #
Turn thefuel filler cap coun ter-cloc kwiseand
re mo veit. #
Insertth efuel filler cap from aboveinto
br ac ket2. #
Comp lete ly inse rtthepum pnoz zleintoth e
ta nk filler neck,hook inplace andrefuel . #
Onlyfill th efuel tank unti lth epum pnoz zle
switc hesoff. #
Replace thecap onthefiller neckand turn
cloc kwise untilit eng ages audibl y. #
Close fuelfiller flap 1. Pa
rking Pa
rking theve hicl e &
WARNIN GRisk ofacci dent andinjury
cau sed byan insufficie ntlysecu redve hi‐
cle rolling away
If th eve hicle isno tsecur elyparkedsuf fi‐
cie ntly ,it can rollaw ay inan unc ontrolled
wa yev en ataslight downhill gradient. #
Onuphill ordownhill gradients, turnth e
fr ont whee lsso that theve hicle rolls
to wa rdsth ecurb ifit star ts mo ving. #
App lythepar king brak e. #
Switc hth etra nsmiss iontoposition 005D. &
WARNIN GRisk offire cau sed byhot
ex haus tsy stem parts
Flammable materials suchas lea ves, grass or
twigs mayignit e. #
Park theve hicle sothat no flammab le
mat erial can com eint ocon tact with hot
ve hicle component s. #
Inpar ticular ,do notpar kon drygr ass‐
land orhar vested grain fields. &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R open doors,ther eb yendang ering other
per sons orroad user s. 15
0
Driving and parking

#
Chec kif th etra nsmit terfr eq uency ofthe
re mo tecontr olha sth efreq uency rang eof
280 to868 MHz.
Ra dio equipment approval num ber:
R NZLM UAHL5 (USA)
R 4112 A-MU AHL5 (Canada ) #
Press and hold button1, 2or3 that you
wish toprog ram.
Indicat orlam p4 flashes yello w.
% Itcan take up to20 seconds beforeth eindi‐
cat orlam pflashes yello w. #
Release thepr ev iousl ypr essed button.
Ind icat orlam p4 con tinues toflash yello w. #
Point remo tecontr ol5 from adi st anc eof
0. 4in (1 cm )to 3in (8 cm) towa rdsbutt on
1, 2or3. #
Press and hold button6 ofremo tecontr ol
5 unti lone ofthefo llo wing signalsappear s:
R Indicat orlam p4 light sup green contin‐
uousl y.Progr amming iscom plete.
R Indicat orlam p4 flashes green .Pr o‐
gr ammi ngwassuccessful. Addition ally,
sync hronization ofthero lling code with
th edoor system mus talso becar ried out. #
Ifindicat orlam p4 does notlight uporflash
gr ee n: repeat thepr ocedur e. #
Release allofthebutt ons. %
The remo tecontr olforth edoor drive is no t
included inthescope ofdeliv eryof the
ga rage door opener .
Sync hronizing thero lling code
Re quirement s:
R The door system uses aro lling code.
R The vehicle mustbe within rang eof the
ga rage door ordoor drive.
R The vehicle aswellas per son sand obje cts
ar elocat edouts idethera ng eof mo vement
of thedoor . #
Press thepr ogr amming buttononthedoor
dr ive unit.
Init iateth ene xt step within appr oximat ely
30 seco nds. #
Press prev iousl ypr og rammed button1, 2
or 3 repeat edlyuntil thedoor closes.
When thedoor closes, progr amming iscom‐
ple ted.
% Please alsoread theoper ating instruction s
fo rth edoor drive. Dr
iving andparking 15
3

Tr
oublesh ooting when prog rammin gthe
re mo tecont rol #
Chec kif th etra nsmit terfr eq uency ofremo te
contr ol5 issu ppo rted. #
Replace thebatt eries inremo tecontr ol5. #
Hold remo tecontr ol5 atvarious angles
fr om adis tance of0.4 in(1 cm) to3in
(8 cm) front oftheinside rear vie wmir ror.
Yo usho uld test eve ryposition forat lea st
25 seconds beforetrying ano ther position . #
Hold remo tecontr ol5 atthesame angles
at various distances infront oftheinside rear
vie wmir ror.Yo usho uld test eve ryposition
fo rat lea st25 seconds beforetrying ano ther
position . #
Onremo tecontr olsthat transm iton lyfora
limi tedper iod, press butt on6 onremo te
contr ol5 again bef oretransm ission ends . #
Align theant enn aline ofthedoor opener unit
wit hth ere mo tecontr ol. %
Supportand additiona linf ormati ononpro‐
gr amm ing:
R Ontheto llfree Hom eLink®
Ho tlin eon
1- 800 -355- 3515
R OntheInt erne tat htt ps:/ /
www .homelin k.com/me rcedes
Opening orclosing thega rage doo r
Re quirement s:
R The corresponding buttonisprogr ammed to
oper ateth edoor . #
Press and hold buttons 1,2or3 until
th edoor opens orcloses. #
Ifindicat orlam p4 flashes yello wafte r
appr oximat ely20 seco nds:pr ess and hold
th epr ev iousl ypr essed buttonagain untilth e
door opens orcloses.
Clear ingthega rage doo rope nermemo ry #
Press and hold buttons 1and 3.
Indicat orlam p4 lights upyello w. #
Ifindicat orlam p4 flashes gree n: release
butt ons 1and 3.
The entire memo ryhas been deleted. Electr
icpar king brak e Fu
nction oftheelectr icpa rking brak e(app ly‐
ing automat ically) &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R open doors,ther eb yendang ering other
per sons orroad user s.
R getou tand bestru ck byoncom ingtraf‐
fi c.
R ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R releasing thepar king brak e.
R chang ingthetra nsmiss ionposition .
R star tin gth eve hicle. 15
4
Driving and parking