2020 MERCEDES-BENZ A-CLASS SEDAN coolant

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at
th ecoolant temp eratur edispla yre mains belowthere dmar king.
ÿ *T
hefanmo toris faulty . #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at
th ecoolant temp eratur edispla yre mains belowthere dmar king.
To switch engineoff, press
and hold Start/ Stop but-
ton foratleast 3secon ds
or press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile driving. #
Information aboutswitchingoffth eengine whiledriving (/page13 1).
00D4 Fu elLe velLo w *T
hefuel supply hasdropped intoth ere ser verang e. #
Refuel .
00D4
Ga sCa pLoose *T
hefuel filler cap isno tclos edcor rectly orthefuel system isleaking. #
Close thefuel filler cap. #
Ifth efuel filler cap wasalr eady proper lyclosed :con sult aqu alif ied spec ialistwo rkshop. 482
Displa ymessag esand warning/ indic ator lam ps

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses:
R The temp eratur esensor ismalfunct ioning
R Coolant leve lto olow
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. &
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. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. Donotcon tinue
dr iving under anycir cums tances. #
Notethemessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: Displa
ymessag esand warning/ indic ator lam ps 51
9

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
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(/ page390) . #
Mak esur eth at theair supply tothera diat orisno tim pair 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.
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. 520
Displa ymessag esand warning/ indic ator lam ps

Cleani
ng
see Care
Clim atecontr ol
Ac tivati ng/d eactiv ating ........... ............126
Ac tivati ng/d eactiv ating theA/C
func tion (cont rolpanel) .......................1 26
Ac tivati ng/d eactiv ating theA/C
func tion (multimedia system) .............. 127
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (cont rolpanel) .......... 128
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (multimedia sys‐
te m) .................... .............................. ... 128
Air dist ribution settings .......................1 27
Air -reci rculati onmod e.................... .....1 28
Au tomatic control..... ...........................127
Callin gup theair con ditionin gmenu ...127
Con trol pan elfor3-zone automatic
clima tecontr ol<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> .......126
Fil ling cap acityforPA Goil ...................4 66
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............129
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 126
Re ar air vents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............129
Re frig er ant .................. ........................ 465
Re frig er ant filling capac ity.............. .....4 66 Re
mo ving condensation from the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 128
Re sidua lheat ....................................... 128
Se tting (multimed iasystem) ................1 27
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>79
Co ckpit <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>6
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> ................6
Co ffee cup symbol
see ATTENTION ASSIST
Combination switch................................. 114
Com pass .................................................. 325
Com puter
see On-boar dcom puter
Conne ctionstatus
Displ aying ...................................... ...... 361
Ov ervie w ........................................ .....3 60
Co ntacts ...................................................339
Ca lling up ....... ................................... ..340
Dele ting .......................................... ..... 341
Dele tingfavo rite s ................................ 342
Do wnloadi ng(from mobile phone) ...... 339
Im por ting ....................................... ...... 341 Im
por ting (ove rview) ...........................3 40
Inf ormatio n....... ................................... 339
Maki ngacall ....................................... 341
Na me form at .......................................3 40
Op tions ................................................ 341
Sa ving asafa vo rite <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 342
Sel ecti ngoptions forsugg estions ........ 341
St or ing .................................................3 41
Con venience closing featur e....... ............. 80
Co nvenience opening................................ 79
Coolant (engine)
Capacit y.............................................. 464
Chec kleve l.......................................... 390
No tes ................................................... 464
Cop yrights
License .................................................. 32
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 33
Co rnering light function .......................... 116
Cr oss Traf fic Aler t...................................2 03
Cr oss wind Ass ist
Fu nctio n/no tes ................................... 164
Cr uise contr ol.......................................... 170
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .......171 536
Index

Sel
ecting from favo rite s ......................2 98
Selecti ngfrom themap ....................... 298
Select ingprev ious destination s...........2 95
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Digita lsp eed ome ter ............ ....................221
Di ng hy towing
see Tow- bar system
DIRECT SELECT leve r............ ...................142
Eng aging drive po sitio n............ ........... 144
Eng aging neu tral ............ ...................... 143
Eng aging park position ........................ 143
Eng aging park position automatic ally .. 143
Eng aging reve rsege ar .........................1 43
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>142
Disp lay(Car e).......................................... 398
Disp lay(m ult imedi asy stem) .................. 251
Hom escr een .......................................2 49
Oper ating .............. ...............................251
Se tting acoustic oper atingfe edbac k... 252
Se ttings ............................................... 281 Displa
y(on-boar dcom puter)
Displa yson themultifunc tiondispla y... 219
Disp laycont ent
Di spla ying ...................................... ...... 218
Disp laymes sage.....................................4 68
Ca lling up (on-boa rdcom puter) ..... ......4 68
No tes .................................................. 468
Displa ymessag es
00B2 ---mp h.....................................5 00
ç ---mp h.....................................4 99
003D 12VBatt erySee Oper ator's
Manual ................................................ 506
0049 ActiveHea dlamps Inoperati ve .... 475
é ATTENTION ASSISTInoper ative
... ... .......................................................4 93
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.........493
0049 Automatic HeadlampMode
Inoper ative..... ..................................... 475
û BeforeSt artin gth eEn gine,
Tu rn Steer ing Wheel ............................4 79 0027
CheckBrak eFlu idLevel.............4 91
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l...... .................................. 492
00BD CheckCool antLevelSee Oper‐
at or's Manual .......................................4 81
00B3 CheckEn gin eOil Level(A dd 1
qu art) ...................................................5 13
0049 CheckLef tLo wBeam (exa m‐
ple) ...................................................... 474
0077 CheckTire s ................................ 509
00B2 CheckWa sher Fluid ...................4 80
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 481
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .......498
ç Current lyUn available Radar
Sen sorsDir ty .......................................4 97
0025 Currentl yUna vailable See
Opera tor's Manua l..... ..........................5 01 538
Index

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