2019 MERCEDES-BENZ C-CLASS SEDAN Owner's Manual

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Fu nctio nof ActiveBr ak eAssi st. 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 ma lfunctio 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 assoon
as theye llo wChec kEn gine warning lam plight sup. 0007
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.
Ther eis amalfun ction intheelectr ics. 0007
Obser vethemessag eson themultifunc tiondispla y.
00B6 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 isleaking. 0007
Close thefuel filler cap. Disp
lay mess ages and warning/ indic ator lam ps 48
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Fu elreser vewarning lam pI fth efuel filler cap hasalready been closedcor rectl y: 0007
Visit aqu alif ied spec ialistwo rkshop.
00B6 Fu elreser vewarning lam p The
yello wfuel reser vewarning lam pis lit while theengine isrunning .
The fuelsu pp lyha sdr op pedint oth ere ser verang e. 0007
Refuel .
00AC
Coo lant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes are:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceed edthemaximum permissible temp eratur e. 000A
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld come
int oco ntact withho tga ses orother escaping operating fluids. 0007
Beforeopen ingthehood, allowtheengine tocool down. 488
Display mess ages and warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions 0007
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. 0007
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. 0007
Obs erve themessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: 0007
Consult aqu alif ied spec ialistwo rkshop.
or 0007
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. 0007
Chec kth ecoolant leve l(0013 page35 7). 0007
Mak esur eth at theair supply tothera diat orisno tobs truct ed. 0007
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 489

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. 000A
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. 0007
Obser vethere comme ndedtirepr ess ure. 0007
Adjus tth etir epr essur eif neces sary. 0007
Stop theve hicle, paying attention toroad and traffic condi tions. 0007
Checkth etir epr essur eand thetir es.
0077 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. 490
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ti re pressur emonit oring
sy stem warning lam p
fl ashes 000A
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.
Und erinf lated tires ma y,forex am ple, impair thedr iving, steer ing and braking charact eristic s. 0007
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. 0007
Visit aqu alif ied spec ialistwo rkshop. Ve
hicl e Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00CC Po we rst eer ing system
wa rning lam p The
redpo we rst eer ing system warning lam pis lit while theengine isrunning .
The powe r-assis tedsteer ing orthesteer ing itself ismalfunct ioning. 000A
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. 0007
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. 0007
Consu ltaqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 49
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions 0007
Obser vethemessag eson themultifunc tiondispla y. 492
Displa ymessag esand warning/ indic ator lam ps

1,
2, 3...
4MA TIC..................................................... 159
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>159
12 Vbatt ery
see Battery(v ehi cle)
12 Vso cket
see Socket(1 2 V)
36 0° Camer a........... ................................ 206
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>206
Ope ning thecamer aco ver(r ear view
camer a)..... ........... ...............................2 09
Selecti ngavie w ....... ........................... 209
Se tting favo rite s ..................................2 09 A
A/ Cfuncti on
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem) ................................................ 139
Swi tching on/of f(contr olpa nel )......... 139
ABS (Anti-lockBr ak ing System) .............1 71
Ac celer ation
see Kickdo wn Ac
ciden tand break down manag e‐
men t
Mer cedesme connect.................... .....3 20
Ac ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating ........... ..............65
Ac tiv atin g/deac tivatin gaut omati c
vo lum eadj ustm ent
Bur mes ter®
sur round soun dsy stem ...350
Ac tiv eBli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 219
Br ak eap plica tion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .............220
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>219
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 222
Sy stem limit ations ........................... ....2 19
Ac tiv eBr ak eAs sist
Fu nctio n/no tes .................................... 175
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 181
Ac tiv eDi stance AssistDI ST RO NIC ........ 183
Ac tiveEmerg encyStop Assis t......... ....1 93
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 191
Callin gup aspee d...............................1 85
Displ aysin theIns trument Display...... 193
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>183
Incr easi ng/decr easingspeed ......... .....1 85
Re quiremen ts................................ ...... 185 Ro
ute-based speedadap tatio n........... .188
St eer ing wheel buttons ........................ 185
St or ing aspeed ................................... 185
Swi tching off/de activating ........... .......185
Swi tching on/a ctivating <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 185
Sy stem limit ations ...............................1 83
Ac tiv eEme rgency Stop Assis t...............1 93
Ac tiv eLan eCha ngeAs sist <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 191
Ac tivati ng/d eactiv ating ........... ............193
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 191
Ac tiv eLan eKe eping Assist.................... 222
Ac tivati ng/d eactiv ating ........... ............224
Ac tivati ng/d eactiv ating thewa rning ...2 25
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 222
Se tting thesensit ivity.......................... 225
Sy stem limit ations ...............................2 22
Ac tiv ePa rking Assis t.............................. 209
Cr oss Traf fic Aler t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ....215
Dr ive Aw ayAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 214
Exiti ngapa rking space ........................ 212
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 209
Ma neu vering assist anc e...................... 215
Pa rking .................................................2 11
Sy stem limit ations ...............................2 09 Inde
x493

Ac
tiv eSe rvice System PLUS
see ASSYST PLUS
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...... 193
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 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
00110011001100110011>125
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 126
Ad diti onalvalue rang e
Se tting displa ycont ent ........................ 229
Ad diti ves............... ................................... 427
En gine oil............................................. 427
Fu el ...... ............................................... 427 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
Bur mes ter®
sur round soun dsy stem ...350
Ad jus tingthe headl am pra ng e............... 123
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...350
Ad jus tingtreb le,mid- rang eand bass
se ttings
Bur mes ter®
sur round soun dsy stem ...350
ADS PLUS dam ping system
see AIRMA TIC
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 38
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 ................................................... 143
Ad jus ting (front) ............ ...................... 143
Ad jus ting (rea r) ............ ........................ 143
Air vents
see Airvents
Ai r-re cir cula tion mode.............................1 41
Air -water duct .......................................... 358
Ke eping free ........................................3 58
Airb ag....... ..................................................40
Ac tivati on ........... ...................................34
Fr ont airbag (driver ,fr ont passeng er)....4 0
Ins tallation locations .............................4 0
Knee airbag........................................... 40 49
4
Inde x