trunk MERCEDES-BENZ A-CLASS SEDAN 2021 Service Manual

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Close thetrunk lid.
00B2
Check Washer Fluid *T
hewasher fluid leve lin thewa sher fluid reser voirhas dropped belowtheminimum. #
Addwa sher fluid (/ page25 6). Engine
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To switch engine off,press
and hold Start/S topbut-
ton foratleast 3secon ds
or press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile theve hicle isin mo tion. #
Information aboutswitchingoffth eengine whiledriving (/page12 6).
00BD
Che ckCoo lant Level See
Opera tor'sManu al *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page255 ). 34
4
Dis play messa gesand warning/ indic ator lam ps

ESP
®
Cr osswi ndAssis t.................................1 55
ESP ®
(E lec troni cSt abil ityProg ram) ...... 154
Ac tivati ng/d eactiv ating ........... ........... .155
Fu nctio n/no tes ................................... 154
Ext erior light ing
see Ligh ts
Ext erior light ing(car e)............................ 261
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 117, 118
Anti-g lare mode (automatic) .................118
Au tomatic mirrorfo lding function ........ 120
Fo lding in/out ...................................... 117
Oper ating thememor yfunc tion ............ 98
Pa rking posit ion...................................1 19
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 117 F
Fa tig ue detection
see ATTENTION ASSIST
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ....266
Fl at tire <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>.........266
Ch ang ingawh eel<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ...........311
MOExt ended tires ................................ 267 No
tes .................................................. 266
TIREFIT kit...........................................2 68
Flat towing
see Tow- bar system
Floor mats................................................ 107
Fo ilco vering
Ra dar and ultrasonic sensors........ ...... 152
Fr ee sof tware ............................................ 35
Fr eq uencies
Tw o-w ayradio ................................ ...... 321
Fr ont airbag (driver ,fr ont passeng er).....4 2
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 26
Ad ditiv es........................................ .....3 26
E1 0 ....... .......................................... ..... 325
Fu elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 326
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 325
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 325
Re fuel ing ............................................. 142
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 325
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .............326Fu
nction seat
see Door controlpanel
Fu ses ........................................................ 283
Bef orere placing afuse ........................ 283
Fu se assignment diagram...................2 83
Fu se boxin theengine compartmen t.. 284
Fu se boxin thefront -passen gerfo ot ‐
we ll...................................................... 285
Fu se boxin thetrunk ........................... 286
No tes .................................................. 283
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y........................... 148
Opening orclosing thedoor ................1 47
Pr ogr amming buttons .......................... 145
Re solving problems ............................. 147
Sync hronizi ngthero lling code .............1 47
Gasoli ne...................................................3 25
Gear shiftre comm endation .................... 140
Genuin epar ts............................................ 22 406
Index

Online
services
Dat ast or ag e ............ .............................. 33
Open-sour cesof tware .............................. 35
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S.................... .......7 5
Oper ating fluids
Ad ditiv es(fuel) ................................ .... 326
Br ak efluid ...................................... .....3 27
Coolan t(en gine) ............................ ...... 327
En gin eoil ............................................ 326
Fu el(gasoline) ................................. ....3 25
No tes ..................... ............................. 323
Re frig er ant (airconditio ningsystem) ...329
Wi ndsh ield wa sher fluid .................. .... 328
Ope ratin gsaf ety
Decl arati on ofconf ormity (wirel ess
ve hicle component s)............................. 26
Inf ormation ............................................ 25
Oper ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ................................. 23
Oper ator's Manual (digital) ......................2 0 Ov
erhead controlpanel
Ov ervie w .......................................... ...... 14 P
Pa int code ................................................ 322
Pa intw ork(cleaning instructions) .........2 60
Pa nic alar m................................................ 67
Ac tivati ng/d eactiv ating ........... ..............67
Pa nor ama roof wit hpo we rtil t/s lidin g
pane l
see Sliding sunroo f
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............138
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 138
Pa rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C<0011001100110011001100110011001100110011001100110011001100110011
00110011> 189
Ac tivati ng ........... ................................. 193
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 194
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>189
Sid eim pa ct protect ion ..................... ... 192 Swi
tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 193
Sy stem limit ations ...............................1 89
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 .............. 150
Pa rking light s...........................................1 09
Pa rking posit ion
Ex terior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 119
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar .........................................1 20
PA SSEN GERAIRBAGstatus displa y
see Automatic front pass engerfront
airb agshut off
Pa yload
Calculat ionexam ple ............................ 297
De term inin gth emaximum .................. 296
Pe riod out ofuse
Ac tivati ng/d eactiv ating standb y
mode ...................................................1 51
St andb ymode function ........................ 151 41
2
Inde x