2020 MERCEDES-BENZ C-CLASS SEDAN service

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
0075 SRS Malfunction Service
Requ ired *T
herestra int system isfaulty (/page34 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionally orma y
no tdeplo yas intended during anacciden t.This mayaf fect theEmer gency Tensi oni ng Device sor airba gs, for
ex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. Re
cogni tionofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
0075
Front LeftMalfuncti on
Servi ceRequire d(exa mp le) *T
hecor responding restra int system isfaulty (/page34 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionally orma y
no tdeplo yas intended during anacciden t.This mayaf fect theEmer gency Tensi oni ng Device sor airba gs, for
ex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. 450
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Re cogni tionofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
0075
Left Side Curta inAirbag
Malfu nction Service
Req uired(Ex am ple) *T
hecor responding windowcur tain airbag ismalfun ctionin g(/ page34). &
WARNIN GRisk ofinju ryor fata linj urydue tomalfu nctions inthewindo wairbag
If th ewindo wairbag ismalfunct ioning,itmight betrigg ered unint entionall yor might notbe trigg ered atall in
th eeve ntofan acci dent with high deceler ation. #
Have thewindo wairbag checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Consult aqu alif ied spec ialistwo rkshop immediat ely.
Front Passeng erAirb agDis-
ab led See Operator 'sMan-
ua l *T
hefront passeng erairbag hasbeen disabl edalthough anadul tor aper son withan adul tst atur eis on thefront
passeng erseat. Ifadditional forc es areapplied totheseat, thewe ight thesy stem detects maybe toolow. &
WARNIN GRisk ofinju ryor fata linj urydue toadisable dfron tpasse nger airbag
If th efront passeng erairbag isdisabled, thefront passeng erairbag willnotbe deplo yedin theev ent ofan acci‐
dent andcann otper form itsintended protect ive func tion. Displa
ymessag esand warning/ indic ator lam ps 45
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
PRE-S AFEInoperat iveSee
Operator' sManual *
The PRE‑S AFE®
funct ionsaremalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
Mercedes meconn ect
Services LimitedSeeOper-
ator's Manual *S
ervice limited.
At leas tone ofthemain functionsof theMer cedes meconnect system ismalfunct ioning. #
Obser vetheno teson thediagnos ticsconnect ion(/ page26). #
Consult aqu alif ied spec ialistwo rkshop.
0053 Inoperative *A
tle as tone ofthemain functionsof theMer cedes meconnect system oroftheSOS emer gency callsy stem is
malfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
Rada rSensors DirtySee
Operator's Manual *T
heradar sensor system ismalfunct ioning.Possible causes:
R Dirton thesensor s
R Hea vyrain or sno w
R Extende dcou ntrydr ivi ng without other traf fic, e.g. inthedeser t
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,th edr iving systems anddriving safetysy stems willbeavailable
ag ain.
If th edispla ymessag edoes notdisappear : 45
4
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
N Permanen tlyAct ive Risk
of Rolling Away *
While theve hicle isrolling orwhile youar edr ivin g,ne utral 005Chas been engage d. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhile theve hicle isstatio nary. #
Tocontinu edr ivi ng, select transm ission position 005B or005E.
Servi ceRequire dDo Not
Shif tGe ars VisitDeal er *T
hetransmission ismalfunctionin g.The transmission positioncannolong erbe chang ed. #
When transm issionposit ion005Bisselec ted, con sult aqu alif ied spec ialistwo rkshop anddonotch ang eth etra ns‐
mission position. #
Forall other transmission positions,parkth eve hicle safely. #
Consult aqu alif ied spec ialistwo rkshop orbreakdo wnservice.
Reversing NotPossible
Service Required *
The transmission ismalfunctioning. Thetransmission position005Ecanno tbe select ed. #
Consult aqu alif ied spec ialistwo rkshop.
Transmission Malfunction
Stop *
The transmission ismalfunctioning. Thetransmission shiftsto neu tral 005C automatical ly. #
Pullove rand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s. #
Depr essthebr ak epedal. #
Engage par kposition 005D. #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 47
3

Ac
tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 187
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 187
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>187
Ac tiv eSte ering Assis t.............................1 89
Ac tivati ng/d eactiv ating ........... ............191
Ac tiveEmerg encyStop Assis t.............1 93
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 191
Dis play sin theIns trument Display.......1 94
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>189
Sy stem limit ations ........................... ....1 89
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>124
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 125
Ad diti onalvalue rang e
Se tting displa ycont ent ........................ 231
Ad diti ves.................................................. 432
En gine oil............................................ 432
Fu el ...... ............................................... 432
Ad diti ves(engine oil)
see Additiv es Ad
diti ves(fuel)
see Fuel
Ad dres sbo ok
see Contacts
Ad jus tingthe balanc e/fader
Ad vanced soundsystem ......................3 54
Bur mes ter®
sur round soun dsy stem ...353
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...353
Ad jus tingtreb le,mid- rang eand bass
se ttings
Ad vanced soundsystem ......................3 53
Bur mes ter®
sur round soun dsy stem ...353
ADS PLUS dam ping system
see AIRMA TIC
Ad vanced sound system
Ac tivati ng/d eactiv ating automatic
vo lume adjustment .............................. 354
Ad jus ting thebalance/f ader............ ... 354
Ad jus ting treb le,mid -rang eand bass
se tting s............. ..................................353
Ca lling upthesound menu .................. 353
Inf ormation .................................... ...... 353 Af
ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 2
Air cond itioning system
see Climat econ trol
Air distribut ion
Se tting .................................................1 34
Air freshe nersystem
see Perfume atomiz er
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents ................................................... 139
Ad jus ting (front) ............ ...................... 139
Ad jus ting (rea r) ............ ........................ 140
Air vents
see Airvents
Ai r-re cir cula tion mode............................ 137 50
4
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Cup
holderinthecent erconsole
In stallin g/remo ving(aut omat ic
transm ission).................................. .....1 14
Cus tomer Assist ance Center (CAC ).........2 7
Cus tomer Relat ions Depar tment .............2 7 D
Dam agede tection (parked vehicl e)...... .169
Dashb oard
see Cockpit
Dashb oardlig hting
see Instrument clusterlig hting
Dat aacq uisiti on
Ve hicle ............................................. ..... 28
Data impor t/expor t................................. 271
Fu nctio n/no tes .................................... 271
Im por ting/e xporting ............................ 272
Data storage
Ele ctroni ccontr oluni ts ............ .............28
Online services ...................................... 30
Ve hicle .................................................. 28 Dat
e
Se ttin gth etime anddateaut omati‐
call y................................................ ..... 266
Da ytim eru nning lampmode
see Daytime running lights
Da ytime running lights ........................... 125
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 125
Deact ivat ing theala rm (ATA ).................... 90
Dealer ship
see Qualif iedspec ialistwo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s......... .......2 5
Decor ative fo il(cleaning instructions)
.. .................................................................3 66
De finitions (tiresand loading) ................4 12
Design s
Men u(on -boar dco mp uter) ............ ...... 231
Des tination .............................................. 295
Ed iting intermed iatedes tinatio ns........ 284
Ed iting thepr ev ious destination s.... .... 295
Ex tern al ...............................................2 95
Sa ving (current vehicle position) ......... 295
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 295St
or ing amap position ........................ 295
Des tinat ionentr y.................................... 280
Ent ering 3wo rdaddr esse s.................. 285
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 280
Ent ering anintermed iate des tination ..284
En tering geo-coor dinates.................... 285
Select ingacont act............................. 285
Select ingaPOI .................................... 283
Select ingfrom themap ....................... 286
Select ingprev ious destination s...........2 82
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 6
Digita lOp erator' sMa nua l........................ 20
Digita lsp eedo meter ............. ..................234
Di ng hy towing
see Tow- bar system
DIRECT SELECT leve r............. ..................153
Eng aging drive po sitio n............ ........... 155
Eng aging neu tral ............ ...................... 154
Eng aging park position ........................ 154
Eng aging park position automatic ally .. 154
Eng aging reve rsege ar .........................1 54 Inde
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1

Fu
nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 153
Disp lay
Car e...... .......................................... .... 369
Disp lay(m ult imedi asy stem)
Se ttings .......................................... .....2 65
Di spla y(on -boar dco mp uter)
Displ ayson themultifunc tiondispla y.. 232
Displa ycont ent
Se tting theadditional value rang e ....... 231
Di spl aymes sage........... ..........................439
Ca lling up(on-bo ardcom puter) ...... ..... 439
No tes .................. ................................ 439
Displa ymessag es
00B2 ---mp h...... ...............................4 64
ç ---mp h.....................................4 63
003D 12VBatt erySee Oper ator's
Manual ................ ................................ 466
0049 ActiveHea dlamps Inoperati ve .... 486
é ATTENTION ASSISTInoper ative
... ..........................................................4 55 é
ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.........455
0049 Automatic HeadlampMode
Inoper ative..... ..................................... 485
0027 CheckBr ak eFlui dLe vel.............4 49
00BD CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 465
00B3 CheckEn gine OilAtNe xtRe fu‐
eli ng ...... .............................................. 469
00B3 CheckEngi neOilLe vel(A dd 1
qu art) .................................................. 469
0049 CheckLef tLo wBeam (Exam‐
ple) ...................................................... 484
0077 CheckTire s ................................ 477
00B2 CheckWa sher Fluid ...................4 84
00AC Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ............. ........... 465
0025 Current lyUn available See
Operat or'sMan ual.............................. 440 00E5
Currentl yUna vailable See
Opera tor's Manua l..... ..........................4 41
Á Don't Forget Your Key.................4 81
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>...471
00B3 EngineOilLe velLo wStop Vehi‐
cle Turn Engi neOff............ ..................470
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 471
00B3 EngineOilRe duce OilLevel........ 470
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 50
00B6 FuelLevelLo w ............................ 468
00B6 GasCap Loose ...........................4 68
0025 Inoper ativeSee Oper ator's
Manu al....... .......................................... 441
00E5 Inoper ativeSee Oper ator's
Manua l..... ...........................................4 42
007A Inoper ativeSee Oper ator's
Manu al....... ......................................... 443 51
2
Inde x

0053
Inoper ative.... .............................4 54
0049 Intell. Light System Inoperativ e
... ..........................................................4 86
Á KeyNo tDe tected (red displ ay
messa ge).............................................4 80
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................4 80
0075 LeftSide Curtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) ...4 51
¢ Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........456
ä Malfunctio nDr ive at Ma x.50
mp h..................................................... 457
0049 Malfunction SeeOper ator ’s
Manual ................................................ 485
Á ObtainaNe wKe y.......................4 79
ç Off....... .......................................463
00D9 Off....... .......................................462
0049 Parking Brak eSee Opera tor's
Manua l..... ................ ........................... 446
0077 Please Correct Tire Pressur e...... 477 0049
Please Release Parking Brak e.... 445
006F Rear Lef tBac kres tNo t
La tched (Exam ple) ...............................4 84
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 479
003D SeeOperator's Manua l...... .........467
0075 SRSMalfunction Service
Re quired .............................................. 450
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 482
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...482
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...468
003D Stop Vehicle SeeOper ator's
Manual ................................................ 467
00CC Stop Vehicle Vehicle TooLo w ..... 457
ç Suspended ................................. 463
0049 SwitchOf fLights ........................ 485
0049 SwitchOn Headlam ps................4 85 0049
Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 444
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............. 481
00CC Vehicle Rising Please Wait.......... 456
00CC Vehicle Rising ............................. 456
0077 Warning Tire Malfunction ............ 478
0077 Wheel Sensor(s) Missing ............ 476
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.....4 61
Ac tiveBli nd Spo tAssi stInoper ative.... 461
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Man‐
ua l...... ................................................. 453
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual .................. 453
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.....4 63
Ac tiveDis tance AssistInoper ative.... .. 463 Inde
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