2021 MERCEDES-BENZ C CLASS key

#
Donotus eapo we rwa sher withro und-
spra yno zzles. #
Have damag edtires orchassis parts
re placed immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle. Other wise
th etrunk lidcould openunintentionally .
R Maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle.
R Vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecor ativefo il.
Maint ainadis tance ofat leas t27 .6 in
(70 cm) between thefo il-c ove redpar tsof the
ve hicle andthenoz zleofthepo we rwa sher .
Mo vethepo we rwa sher nozzlearound whilst
cleaning. Thewaterte mp eratur eof the
po we rwa sher mustno tex ceed 140°F
(60°C ).
R Obse rveth einf ormation onthecor rect dis‐
tan ceintheeq uipment manufacturer'soper‐
ating instruction s. R
Donotdir ect thenoz zleofthepo we rwa sher
dir ectl yat sensitiv epar ts,e.g. tires, gaps,
elect rical com pone nts,batter ies, light sour‐
ces and ventil ation slits. Wa
shing theve hicl eby hand *
NO
TEEngi nedama gedue towa ter
ing ress #
Take car eno tto point thewa terje t
dir ectly towa rdsth eair inle tgr ille belo w
th ehood. Obser
vetheleg alrequ iremen ts,e.g. inanumb er
of coun tries, washing byhand isonl yper mitt ed
in specially designatedwash bays. #
Use amild cleaning agent, e.g.carsham poo. #
Washtheve hicle withluk ewa rmwaterusi ng
a sof tcar spong e.When doingso,donot
ex pose theve hicle todirect sunlight . #
Carefully hosetheve hicle offwit hwa terand
dr yusi ng ach amois . %
Obse rveth eno teson thecar eof vehicle
par ts(/ page31 1). No
teson paint work/ma tte finish paint work
car e Obse
rveth eno teson cleaning andcareto avo id
damagin gth epaintw ork.
Pa int
R Insect remains: soakwithinsect remo verand
ri nse offth etreat edareas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse off
af te rw ards.
R Tree resin, oils, fuels andgreases: remo veby
ru bbing gentl ywi th aclo thsoak edinpe tro‐
leum ether orlight erfluid.
R Coolan tand brak efluid: remo vewit hadam p
clo thand clean water.
R Tarst ains :use tarre mo ver.
R Wax:usesilicone remo ver.
R Donotatt achsticke rs,fi lms orsimilar mate‐
ri als.
R Remo vedirtimmediat ely,wher epossible. Maint
enanc eand care309

Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Obtain aNew Key *H
aveSmar tKey replaced. #
Consult aqu alif ied spec ialistwo rkshop.
Á Repla ceKey Battery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page66).
Á Key NotDetected(whit e
displa ymessag e) *T
heSmar tKey iscur rentl yund etect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e13 3). Displ
aymessa gesand warning/ indic ator lam ps 383

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e13 3).
Á
Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e13 3). 38
4
Dis play messa gesand warning/ indic ator lam ps

At
tention assistant
see ATTENTION ASSIST
Au dio 20
see Multimed iasystem
Au dio mode
Ac tivati ng med iamod e................ .......... 283
Co nnecti ngUSB devic es........... ............285
Cop yrights. ............................................283
Inf ormatio n............ ................................282
Inser ting/r emoving anSD card............. 283
Med iasea rch.. .................................. .....2 86
Ov ervie w.... ....... ....... ............................ .284
Pa use and playbac kfun ction .................2 85
Selecti ngatrac k............ .......................285
Selecti ngplayba ckoptions .................... 285
Tr ac klis t................................................ 285
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... .................115 Au
tomatic engine star t(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....139
Au tomatic engine sto p(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> .....139
Au tomatic fron tpass engerfr on tair‐
bag shutoff
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff........... ..... 44
PA SSENGER AIRBAGind icat orlam p....... 46
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating........... ..............125
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... .................... .... 143
Dr ive pr ogr am disp la<005C001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....142
Dr ive pr ogr am<0056001100110011001100110011001100110011001100110011001100110011
001100110011> ....................141
DY NA MIC SELE CTswitc h....................... 141
Eng aging drive po sitio n............ ............. 145
Eng aging neu tral ............. .......................144
Eng aging park position .................... ...... 145
Eng aging reve rsege ar. ...................... .... 144 Kic
kdo wn..... ..........................................147
Manual gearshif ting... ............................1 46
St eer ing wheel paddle shifters.............. 146
Tr ans miss ionposit iondispla y................ 143
Tr ans miss ionposit ions.......................... 143
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) B
Ba ghook .................................................... 108
BA S(Br akeAssis tSy stem). ...................... 160
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 66
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle)
Ch <00440055004A004C0051004A0011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 325
Ch arging (Remo teOnline). ..................... 134
No tes... .................................................. 321
No tes(s ta rting assis tance and
ch argin g)............................................... 323
Re placing .............................................. 327
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........325 Inde
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3

Calls
Accep ting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>262
Ac tivati ng functio nsduring acal l......... .262
Ca lls wit hse veralpar ticipant s............... 262
Decl ini<0051004A00110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 262
Ending acal <004F001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 262
Incomi ngcalldu ring anexistin gcall ...... 263
Makin g.......... .................................... .... 262
Mer cedes me......................................... 271
Calls upthesound menu
Bur mes ter®
sur round soun dsy stem.. ...298
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)......................................... 307
Car e
Air -water duct... .....................................3 07
Au tomatic carwash... ........................ ....3 07
Car pet....................................................3 12
Deco rativ efo il.. .....................................3 10 Dis
play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 312
Ext eriorlighti ng............. ......................... 311
Hea dliner...... ............ .............................312
Matt efinis h.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 309
Pa int wo rk<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 309
Pl as tic tr<004C005000110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 312
Po we rwa sher. ................................. ...... 308
Re alwo od/tr imelements .................. ....3 12
Re ar vie wcam era.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 311
Sea tbel <0057001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 312
Sea tco ver..... ................................... ......3 12
Senso rs<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 311
St eer ing wheel. ................................. ..... 312
Sur round viewcam era..................... ...... 311
Ta ilpipes ............................................ .....3 11
Wa shing byhand. ..................................3 09
Whee ls/rims...... ....................................311
Wi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 311
Wi per blades .......................................... 311
Car gotie- down rings. ................................ 107
Car pet(Car e).............................................. 312
Cha ngeof address. .....................................2 3
Cha ngeof ow ner ship ..................................2 3 Cha
nging awheel
Pr epar ation...........................................3 59
Ra ising theve hicle ................................ 360
Changing awheel
see Emer gency sparewheel
Chan ginggears
Manu ally....... ......................................... 146
Cha nging hubcap s.. .................................3 59
Char acterentr y
Using thecon troller.... ........................... 220
Char ging
Batt ery(v ehicle) .................................... 325
USB port................................................ 111
Child safetyloc k
Re ar door s...............................................6 1
Re ar side windows<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 63
Chi ldseat
At tach ing (notes)... ..................................5 4
Basi cins tructi ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> ...............50
Fr ont- passeng erseat (notes)... ................6 0
LA TC H-type (ISOFIX )(ins talling). .............5 5
No teson risk sand dang ers... .................. 51
Secu ring on thefront passeng erseat... ...60 Inde
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5

00E5
Currentl yUna vailable See
Opera tor's Manua l........ ...... ...................412
Á Don't Forget Your Key<0011001100110011001100110011001100110011001100110011001100110011
00110011> 384
00CC Drive More Slowly<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 409
00B3 Engine OilLevelCann otBe
Mea sured<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>......425
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ....................423
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e... ...............................4 24
00B3 EngineOilRe duce OilLevel.......... 423
0075 Front LeftMalfunction Service
Re quired (exa mp le)...............................3 80
00B6 FuelLevelLo w............................. 393
00B6 GasCap Loose .............................3 93
0025 Inoper ativeSee Oper ator's
Manu al........ ...........................................411
00E5 Inoper ativeSee Oper ator's
Manua l....... ..... ....................................... 412 007A
Inoper ativeSee Oper ator's
Manua l....... ............................................ 413
0053 Inoper ative..... ...............................4 15
: Intell. Light System Inoperativ e....386
Á KeyNo tDe tected (red displ ay
messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 384
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 383
0075 LeftSid eCu rtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) .....3 80
¢ Lowe ring............. <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 409
ä Malfunctio nDr ive at Ma x.50
mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 407
: Malfunction SeeOperato r’s
Manual... ............................................... 385
Á ObtainaNe wKe y<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 383
ç Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 403
00D9 Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 401
0049 Parking Brak eSee Opera tor's
Manua l......... ......................................... 396 0077
PleaseCor rect Tire Pressur e... ..... 419
0049 Please Release Parking Brak e.. .... 399
006F Rear Lef tBac kres tNo t
La tched (exa mp le).................................3 90
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 383
003D SeeOperator's Manua l........ ......... 416
0075 SRSMalfunction Service
Re quired ................................................ 380
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Manua l.. 388
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ..... 389
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>........417
003D Stop Vehicle SeeOper ator's
Manual... ................................................ 416
00CC Stop Vehicle Vehicle TooLo w....... 408
ç Suspended ................................... 403
: SwitchOf fLights.... ......................3 86
: SwitchOn Head lamp s<0011001100110011001100110011001100110011001100110011001100110011
00110011> 386 Inde
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9

Dr
iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away.... 394
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual.... ............................. 381
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual.... ............................. 381
Hazar dWa rning Flashe rsMalfunc‐
tioning. .................................................. 388
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual. ...................4 15
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 394
Only Shiftto 'P' when Vehicle isSta‐
tio nar y...................................................3 93
Pla cetheKe yin theMar kedSpace
See Oper ator's Manual. .........................3 84
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l......... ................................. 382
Ra dar SensorsDir tySee Oper ator's
Manual. .................................................. 414 Re
versing NotPo ssible Service
Re quired ................................................ 395
Ru nFla tIndi catorInop erati ve............... 422
Ser vice Required Do NotShif tGear s
Vi sit Dealer.... ........................................3 94
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.. .................. 395
Ti re Press. Monit orCur rently
Un available ............................................ 417
Ti re Press. Monit orInopera tive... ........... 417
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors.. .....................................4 18
Ti re sOv erheat ed................................... 420
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.. .................................. 394
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3
secs. orpress 3times...... ..................... 391
Tr ans miss ionMalfun ction Stop..... ........ 395 Displa
yon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Ch ild sa fety lock (rear door s)...................6 1
Loc king (emerg encykey). ........................ 70
Ope ning (from inside ).............................. 68
Un loc kin g(emer gency key). .................... 70
Un loc kin g(fr om insid e)...........................6 8
Door controlpan el....................................... 16
DO T,Tire Iden tificat ionNumbe r(TI N)..... 348
Dr aw bar
see Tow- bar system
Dr inking anddriving... ...............................1 36
Dr ive Awa yAssis t.... .................................. 204
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting.. ..............................................1 45 Inde
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1

ECO
star t/s topfunc tion
Au tomatic engine star t.......................... 139
Au tomatic engine stop..... .................. ....1 39
Me thod ofoper ation.. ............................1 39
Switc hingoff/on ................................... 140
Electr icpa rking brak e
Appl ying automat ically.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 154
App lying orreleasing manuall y.............. 156
Emerg encybraki ng............ ....................156
Re leasing automat ically.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 155
Electr onicStabil ityProg ram
see ESP®
(Electr onicStabilit yPr og ram)
Emer gency
Fir st-ai dkit (softsided)...... .................... 315
Ov ervie wof thehelp functions........ ........ 18
Re flect ive saf etyve st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 314
Re mo ving thewa rning triang le...............3 14
Se tting upthewa rning triang le..............3 15
Emer gency braking ................................... 156
Emer gency braking
see BAS(Br akeAssi stSystem)
Emer gency engine star t....... ..................... 331 Emer
gency key
Loc king adoor ................................... ..... 70
Un loc kin gadoor. .................................... 70
Emer gency oper ation mode
St artin gth eve hicle ........................... ....1 33
Emer gency release
Tr unk lid(from inside) ...................... ........ 76
Emer gency spar ewheel
No tes... ............................................. ....3 64
Emer gency Tensioning Devices
Ac tivati on........... .....................................36
En gine
ECO star t/ stop funct ion.................. ...... 139
Engi nenum ber......... ............. ................368
St artin g(eme rgency operation mode).. .133
St artin g(R emo teOnline).... ............... ....1 34
St artin g(sta rt/s topbutt on).............. .... 132
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ......325
Swi tching off(s ta rt/s topbutt on)...... .... 150
Engine data
Dis playing ........................................ ...... 143
Engine number.......................................... 368 Engine
oil
Ad ditiv es................................................ 372
Capaci ty................................................ 373
Chec kingth eoil leve lusing theoil
dips tick.... ............................................. 303
Chec kingtheoil leve lusing theon-
boar dcom puter.. ................................... 304
MB- Freig abe orMB- Appr oval.. ...............3 73
Qua <004F004C0057005C001100110011001100110011001100110011001100110011
001100110011> ....................................373
To pping up............................................. 305
Ent ering charact ers
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 219
On theto uc hpad.. .................................. 221
ESC (Elect ronic Stabil ityContr ol)
see ESP®
(Electr onicStabilit yPr og ram)
ESP ®
Cr osswi ndAssis t....................................161
ESP ®
(Electr onicStabil ityProg ram)
Ac tivati ng/d eactiv ating........... ..............162
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 160
Ext erior light ing
see Ligh ts
Ext erior light ing(car e)..............................3 11 Inde
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