warning MERCEDES-BENZ C-CLASS SEDAN 2020 Owner's Manual

Dr
ivin gsy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
L Wa rning lam pfo rdis tance
wa rning func tion The
reddis tan cewarning lam plight sup while theve hicle isin mo tion.
*T he distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oachingan obs tacle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedis tance.
Fu nctio nof ActiveBr ak eAssi st(/ pag e17 5).
ä Suspe nsionwarning lam p The
yello wAIRMA TICwarning lam pis on.
The yello wDY NA MIC BODY CONTR OLwarning lam pis on.
*A IRMA TICismalfu nctioning.
DY NA MIC BODY CONTR OLismalfu nctioning. #
Notethemessag eson themultifunc tiondispla y. 496
Displa ymessag esand warning/ indic ator lam ps

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical mal functi onwarning lam pis lit.
*T her eis amalfunction intheelectr ics. #
Obser vethemessag eson themultifunc tiondispla y.
00B6
Fu elreser vewarning lam p The
yello wfuel reser vewarning lam pis lit while theengine isrunning .
*T he fuel supply hasdropped intoth ere ser verang e. #
Refuel . Displ
aymessa gesand warning/ indic ator lam ps 49
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p The
yello wfuel reser vewarning lam plight sup while drivin g.
*Ther ehas been pressur eloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Visit aqu alif ied spec ialistwo rkshop.
00AC Coola ntwa rning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses are:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsupply tothera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. 498
Display mess ages and warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Obs erve themessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: #
Consult aqu alif ied spec ialistwo rkshop.
or #
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page36 1). #
Mak esur eth at theair supply tothera diat orisno tobs truct ed. #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea. Displa
ymessag esand warning/ indic ator lam ps 499

Ti
re s Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam plight s
up The
yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
*The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
Ti re pressur esthat areto olow pose thefo llo wing hazar ds:
R The tires ma ybur st,especiall yas theload andvehicle speed increase.
R The tires ma ywe arexc essiv elyand/or unevenly, whic hma ygr eatl yim pair tiretract ion.
R The drivin gch aract eristic s,as wellas steer ing and braking, maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ure. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle, paying attention toroad and traffic condi tions. #
Checkth etir epr essur eand thetir es. 500
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes The
yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one
minut eand then remains lit.
*The tirepr essu remonit oring system isdef ective. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
If th etir epr essur emonit oring system ismalfunct ioning,itis no table toissue awa rning ifth er eis pressur eloss
in one ormor eof thetir es.
Un der inflated tires ma y,forex am ple, impair thedr iving, steer ing and braking charact eristic s. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. #
Visit aqu alif ied spec ialistwo rkshop. Ve
hicl e Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ù Wa rning lam pfo relectr ic
po we rst eer ing The
redelect ric po we rst eer ing warning lam pis lit while theengine isrunning .
*Th epo we r-assis tedsteer ing orthesteer ing itself ismalfunct ioning. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. Di
spla ymes sagesand warning/ indic ator lam ps 50
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Notethemessag eson themultifunc tiondispla y. 502
Displa ymessag esand warning/ indic ator lam ps

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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Ac
tiveDis tance AssistNo wAv ailable
.. ...........................................................4 64
Ac tiveLa ne Keeping AssistCamer a
Vi ew Restrict ed See Operator's Man‐
ua l..... ............................... ...................4 60
Ac tiveLa ne Keeping AssistCur rentl y
Un available SeeOper ator' sMan ual.....4 59
Ac tiveLa ne Keeping AssistInopera‐
tiv e ............... ....................................... 460
Ac tivePa rking Assistand
PA RK TRONI CInoper ative See Opera‐
to r's Manua l..... ........... ........................ 456
Ac tiveSt eer ing Assis tCur rentl y
Un available SeeOper ator' sMan ual.....4 58
Ac tiveSt eer ing Assis tInoperativ e.......4 58
Ad aptiveHig hbeam Assis tCamer a
Vi ew Restrict ed See Operator's Man‐
ua l..... .......... ..................... ...................4 87
Ad aptiveHig hbeam Assis tCur rently
Un available SeeOper ator' sMan ual.....4 86 Ad
aptiveHig hbeam Assis tIn oper a‐
tiv e ...................................................... 486
App lyBrak eto Shif tfr om 'P' ................ 472
App lyBrak eto Shif tto 'R' ....................4 72
Au xiliary Batt eryMal functi on............... 474
Begi nning Emergency Stop .................. 459
Blind SpotAssis tCur rentl yUna vaila‐
ble See Opera tor's Manua l...... ............ 460
Blind SpotAssis tInoper ative...... ......... 461
Chec kBr ak ePa ds See Oper ator's
Manual ................................................ 449
Chec kTire Pressur eSoon .................... 474
Chec kTire Pressur eThen Restar t
Ru nFla tIndi cator <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........475
Cr uise Control Inoper ative.................. 464
Cr uise Control Off...............................4 64
Decr ease Spe ed............ ...................... 478
Dr ive More Slowly ............ ...................458
Dr iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away ... 472 Fr
ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................4 51
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................4 52
Hazard Warning Flashe rsMalfunc‐
tioning .................................................4 87
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual .................. 454
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 473
Onl yShif tto 'P' when Vehicle isSta‐
tio nar y.................................................4 72
Place theKe yin theMar kedSpace
See Oper ator's Manual ........................ 480
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l...... .................................. 454
Ra dar SensorsDir tySee Oper ator's
Manual ................................................ 454
Re versing NotPo ssible Service
Re quired .............................................. 473 51
4
Inde x

Gasoli
ne............... ....................................4 31
Gear shiftre comm endation .................... 156
Genuin epar ts............................................ 21
Glide mode ...............................................156
Glo vebox
Loc king /unloc king.............................. 107 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)....... 394
HAND S-FREEAC CESS ................................ 77
Hazar dwa rning light s.............................1 23
Hazar doussubstances
Inf ormatio n....... .....................................24
Head restra int
Fr ont (adjus tingmechanicall y)............... 97
Re ar (installin g/remo ving) .....................9 9
Re ar passe nger com partment
(adj ustin g) .............................................9 8 Head-up
Display...... ................................239
Ad jus ting disp lay el eme nts(on-bo ard
com puter) ..... ................................... .... 239
Ad jus ting thebr ightn ess(on-boar d
com puter) ....................................... ..... 239
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>239
Menu (on-bo ardcom puter) ..... .......... ... 239
Se tting theposition (on-boar dcom‐
put er) ............................................. ..... 239
Switc hingon/off........................... ...... 240
Headlin er(car e)...... .................................369
Heating see Climat econtr ol
High beam
Switc hingon/of f...... ........................ ... 122
High-be amflasher ................................... 122
High-be amheadlam ps
Ad aptiveHig hbeam Assis t.............. .....1 24
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 195
HOLD functio n...... ................................... 196
Fu nctio n/no tes ................................... 196
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 196 Hood
Opening/clo sing................................. 356
Ho tspo t
Se tting up(Wi-Fi) ................................. 269 I
Iden tificatio nplat e
Engine ................................................. 428
Re frig er ant .......................................... 435
Ve hicle ................................................ 428
Ignition Switc hingon(Start/S topbutt on) ........ 141
Ignit ionkey
see Smar tKey
Imm obiliz er................................................ 89
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing .......................................... 152
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 152
Insid ere ar vie wmir ror
see Exterior mir rors Inde
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