2020 MERCEDES-BENZ A-CLASS SEDAN warning light

Ti
re pres sur emoni tor 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.
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. 528
Displaymess ages and warning/ indic ator lam ps

Car
key
see Smar tKey
Car wash
see Care
Car wash (car e)........................................3 91
Car -to-X -Com municat ion
Dis playing hazardwa rnings .................. 319
Ov ervie w ...... .................................... ....3 18
Sendi nghazard warnings .....................3 19
Car e.......................................................... 398
Air -water duct ...................................... 391
Au tomatic carwash ........................ ..... 391
Car pet............ ................................. ....3 98
Decor ativefo il ................................ .....3 95
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 398
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 397
Hea dline r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 398
Ma tte finis h<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ................394
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 394
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 398
Po we rwa sher ...................................... 392
Re alwo od/tr imelements ............... ....3 98
Re ar vie wcam era ................................ 397
Re ar vie wcam era/3 60°Camer a........ 397 Seat
belts...................................... ...... 398
Seat cover..... ................................... ... 398
Sensor s..... ........................................ .. 397
Ta ilpipes .............................................. 397
Wa shing byhand .............................. ... 393
Wheels/r ims....................................... 397
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 397
Wi per blades .......................................3 97
Car gotie- down rings ...............................1 04
Car pet(C are) ....... ....................................398
Chang eof addr ess .....................................24
Cha ngeof ow ner ship ................................ 24
Cha nging awheel
Pr eparation .......................................... 447
Ra ising theve hicle ........................... ... 448
Cha nging awheel
see Emerge ncy sparewheel
Chan ginggears ....... ................................. 144
Manually ..............................................1 44
Cha nging hubcap s.................................. 447
Cha racter ent ry
On theto uc hpad .................................. 275 Cha
rging
Bat tery (vehicle) ...................................4 11
USB port..............................................1 09
Chil dsaf etyloc k
Re ar door .............................................. 62
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 63
Chi ldseat
At tach ing (notes) ................................... 54
Basi cins tructi ons <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .............49
Fr ont- passeng erseat (notes) ................. 60
LA TC H-type (ISOFIX )(ins talling) ............ 55
No teson risk sand dang ers ...................5 0
Secu ring on thefront passeng erseat ....6 1
Secu ring on there ar seat ...................... 59
To pTe ther ..............................................5 7
Child ren
Av oiding dangersin theve hicle .............5 0
Basi cins tructi ons <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .............49
Speci alsea tbel tre tract or ........... .......... 55
Ch ock ........... ............................................ 446
St or ag elocation ..................................4 46
Cho ck
see Choc k Inde
x535

I
Iden tificat ionplate
Engi ne............ .................................... .458
Re frig er ant .................. ........................ 465
Ve hicle ................................................ 458
Ignition Switc hingon(Start/S topbutt on) ........ 130
Ignit ionkey
see Smar tKey
Imm obiliz er................................................ 86
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing ............ .............................. 141
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 140
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
see Instrument Display
Ins trument clusterlighti ng............ ........220 In
stru men tDi spl ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 214
Ad jus ting thelighting ..................... ..... 220
Fu nctio n/no tes .................................... 214
Ins trument cluster ..... ............................ 10
Wa rning/ indic ator lam ps................ .....5 15
Int ellig entLight System
Ad aptiveHig hbeam Assis t.............. .....1 16
Cor nering light func tion<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 116
Int erior ligh ting........................................ 118
Ambi entlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ...............118
Re adin glight .................................. ...... 118
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 118
Swi tch-of fdel aytim e........... ................119
Int erior motion sensor
Ac tivati ng/d eactiv ating ........... ..............88
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>88
In te rm edia tedes tina tion
Ca lcu lating aro utewit hint ermed iate
des tinatio ns........................................ 305
En tering <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>304
Mod ifying <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>304
St artin gan aut omat icga sst atio n
sear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 306St
artin gth eaut omatic service sta‐
tio nsear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 307
In te rn et
Callin gup awe bpag e.......................... 361
Closing thebr ows er............................3 63
Dele tingabookma rk<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 363
Del eting history <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 363
Ma nag ingboo kmar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 363
In te rn et connect ion
Comm unicationmodul efun ction ........ 360
Con nectionstatus ...............................3 60
Displ aying thecon nect ionstatus .........3 61
Es tablishing .........................................3 60
Inf ormatio n....... ................................... 359
Re strictions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .............359
iPh one®
see Appl eCa rPlay®
see Mercedes-Benz Link J
Jac k
St or ag elocation ..................................4 46
Jum p-startco nne ctio n....... ......................411
Gene ralno tes ...................................... 410 54
6
Inde x

K
KEYLESS- GO
Loc kingth eve hicle ................................ 70
Pr oblem .................................................7 2
Un loc kin gse tting ............................ ...... 66
Un loc kin gth eve hicle ............................7 0
Kic kdow n.................................................1 45
Using .............. .....................................145
Knee airbag ...... .......................................... 40 L
Label ing(tires)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist Languag
e.................................................2 86
No tes .................................................. 286
Se ttin g............................................. ....2 86
LA TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g................................................ 55
Light switch
Ov ervie w .......................................... ....1 13
Light ing
see Inte rior lighting
see Lights
Lights ........................................................ 113
Ad aptiveHig hbeam Assis t.............. .....1 16
Ad jus ting theins trument lighting ........ 220
Au tomatic driving lights..... .................. 114
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 114
Cor nering light func tion<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 116
Haza rdwa rning light s.................... ...... 115
High beam............ ...............................114
High -beamflasher ................................ 114
Light switch..... .............................. ......1 13
Lo w-beam headlam ps.................... ...... 113
Pa rking light s.................................. .....1 13
Re ar foglam p................................. ...... 113 Re
sponsibili tyforlig hting systems .......1 13
Se tting theex terior lighting switch-
of fdela ytime ....................................... 117
St andi nglight s.....................................1 13
Swi tching thesur round lighting
on /of f.................................................. 118
Tu rn signals .......................................... 114
Limit edWa rranty
Ve hicle .................................................. 29
Liv eTr af fic Inf orma tion
Dis playing thetra ffic map .................... 316
Dis play ing traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
00110011> 317
Pr ov ider informatio n............................ 316
Sho wing local area message s.............. 318
Swi tching thetra ffic inf ormatio ndis‐
pla yon .................................................3 17
Load index(tir es) .................................... 438
Load -bearing capacit y(tir es) ................. 438
Loading ..................................................... 104
Car gotie-do wn rings <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...104
Def initio ns ............ ...............................440
No tes ..................................................... 99
Ro ofcar rier ......................................... 105
St ow agespac eunde rth etrunk floor ...105 Inde
x54
7

Pa
rking Assis tPA RK TRONI C<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 187
Ac tivati ng ........... ..................................191
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 192
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>187
Pr oblems ............................................. 189
Sid eim pa ct protect ion ..................... ... 190
Swi tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 191
Sy stem limit ations ...............................1 87
Pa rking assis tance systems
see ActivePa rking Assist
Pa rking brak e
see Elec tric par kingbr ak e
Pa rking foran extended period .............. 158
Pa rking light s...........................................1 13
Pa rking options
see Parking service
Pa rking posit ion
Ex terior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 124
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar .........................................1 24
Pa rking service ........................................ 327
No tes ............ ....................................... 327 Selecting
parking options .................... 327
Sho wing apar king option onthe
map ..................................................... 328
PA RK TRONI C
Ma lfunction <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .............189
PA SSEN GERAIRBAGstatus displa y
see Automatic front pass engerfront
airb agshut off
Pa yload
Calculat ionexam ple ............................ 433
De term inin gth emaximum .................. 432
Pe rm itted towing methods .....................4 13
Pe ts inthe vehicl e...... ...............................63
Phone book
see Cont acts
PIN protection
Ac tivati ng/d eactiv ating ........... ............287
Plas tictrim (Car e)................................... 398
POI Quic kaccess ................................. .......3 11
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 295
POI symb ols
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 321 Po
we rsupp ly
Swi tching on(Start/S topbutt on) ........ 130
Po we rwa sher (care)...............................3 92
Po we rwi ndo ws
see Side windo ws
PRE-S AFE®
(anticipat oryoccupant
pr otection) .................................................4 8
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 48
PR E-S AFE ®
Sou nd<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .........48
Re versing measur es.............................. 48
PRE- SAFE®
PL US (ant icipa tory occu‐
pa nt protection plus)................................ 49
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 49
Re versing measur es.............................. 48
Pr ev entat ive occupa ntprotection sys‐
te m
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
Pr ev ious destina tions
Selec ting.............................................2 95
Pr ofile ....... ................................................ 261
Cr eati ngane wprofile ....... .................. 262
Maxi mum numbe rof profile s ....... ........261 Inde
x553

Oper
ating safety .................................. 228
Ra dio voice com mand s.......................2 39
Se tting (multime diasystem) ................2 30
Switc hvo ice com mand s................ ...... 232
Te lephon evo ice con trols .....................2 37
Te xt mes sage voice com mand s...........2 43
Ve hicle voice com mand s................ .....2 44
Vo ice prom pting .................................. 229
Vo ice contr olsystem
see Voice Cont rolSy stem W
Wa rning lam ps
see Warning/ indic ator lam ps
Wa rning system
see ATA(anti-t heftal ar m system)
Wa rning/indicat orlam p
0025 ABSwa rning lam p...................... 525
0027 Brakewa rning lam p(US A).......... 523
004D Brakeswarning lam p(Canada) ...5 23
ÿ Coolant wa rning lam p.................5 19
003D Electrica lma lfunctio nwa rning
lam p...... .......................................... .... 520 00B9
Engine diagno siswarning lam p.. 520
00BB ESP®
OFF warning lam p.............5 27
00E5 ESP®
wa rning lam pflashes ........ 526
00E5 ESP®
wa rning lam plight sup ...... 526
00D4 Fuelreser vewarning lam p.........5 21
0024 Redindicat orlam p,elect ric
par kingbr ak eapplied (Canada only)...5 22
0049 Redindicat orlam p,elect ric
par kingbr ak eapplied (USAonl y).... .... 522
0075 Restra int system warning lam p...5 17
0076 Seatbel twa rning lam pflashes ...5 17
0076 Seatbel twa rning lam plight s
up .................................................. ...... 518
0077 Tire pressur emonit oring sys‐
te m wa rning lam pflashes ...................5 28
0077 Tire pressur emonit oring sys‐
te m wa rning lam plight sup .................5 28
L Warning lam pfo rdis tance
wa rning func tion ............................ ...... 524 Ù
Warning lam pfo relectr ic
po we rst eer ing .....................................5 18
0024 Yello welect ric pa rking brak e
indic ator lam pis malfun ctionin g.........5 22
Wa rning/indicat orlam ps........................ 515
Ov ervie w ..............................................5 15
PA SSENGER AIRBAG ............................ 45
Wa rranty ....................................................2 9
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (car e) ...... ....................393
Wa terta nk
see Air-water duct
We ather information ...............................326
We bbr ow ser
Calling upawe bpag e.......................... 361
Calling upoption s...............................3 62
Ca lling up these ttings .........................3 63
Dele tingabookma rk<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 363
Dele tingInterne this tory <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 363
Ending <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 363
Ma nag ingboo kmar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 363 Inde
x565