2021 MERCEDES-BENZ A-CLASS SEDAN tow

R
Maximum permissible load3com prises the
gr os swe ight ofall vehicle occupants, load
and luggage.
R Recomme ndedtirepr ess ure 1forcold
tir es. The recomme ndedtirepr ess ures are
va lid forth emaximum permissible loadand
up tothemaximum permissible vehicle
speed.
Please alsonote:
R Information onper missib lewe ight sand loads
on theve hicle identif ication plate
(/ page322).
R Information ontirepr essur ein thetir epr es‐
sur eta ble (/ page290).
Fu rther relat ed subje cts:
R Determ inin gth emaximum permissible load
(/ page296)
R Noteson tirepr essur e(/ page288). Ste
psforDe term ining Correct Load Limit The
follo wing steps have been developed as
re qu ired ofall manuf acturersunder Title 49, Co
de ofU.S. Feder alRe gulations, Part57 5, pur‐
sua nttothe"N ational Traf fic and MotorVe hicle
Saf etyAc tof 1966". #
(1):Locat eth est at emen t“T he combined
we ight ofocc upant sand cargoshould never
exc eed XXX kgorXXX lbs.”on your vehicle's
placar d. #
(2): Determ ine thecombin edweight ofthe
dr iver and passeng ersth at will beriding in
yo ur vehicle. #
(3): Subtr actthecombin edweight ofthe
dr iver and passeng ersfrom XXX kgor
XXX lbs. #
(4): The resulting figur eeq uals theav ailable
amoun tof car goand luggageload capac ity.
Fo rex am ple, ifth e"XXX" amount equals
1, 400 lbs.and ther ewill befive 150lb pas ‐
seng ersin your vehicle, theamount ofavaila‐
ble cargoand luggageload capac ityis
65 0lbs. (1,40 0-75 0(5 x15 0) =650 lbs.) #
(5):De term ine thecombin edweight oflug‐
ga ge and cargobein gloaded ontheve hicle.
That weight mayno tsaf elyexc eed theav aila‐ ble
cargoand luggageload capac itycalc ula‐
te din Step 4. #
(6): Ifyo ur vehicle willbetowing atrailer ,
load from your trailer willbetrans ferred to
yo ur vehicle. Consult this manual todeter‐
mine howthis reduces theav ailable cargo
and luggageload capac ityofyour vehicle.
% Notall vehicles areper mitt edtotow a
trailer .To wing atrailer isonl yper mittedifa
tra iler -hit chisins talled. Please consult an
aut hor ized Mercedes -Benz dealer ifyo uha ve
an yqu estion sabout towing atrailer with
yo ur vehicle.
Ev en ifyo uha ve cal cul ated thetot alload care‐
full y,yo usho uld still mak esur eth at themaxi‐
mum permissible gross weight andthemaxi‐
mum gross axle weight rating ofyour vehicle are
no texc eeded. Details can befound ontheve hi‐
cle identif ication plate. 296
Wheels andtires

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To appl y: #
Swi tchth eignition off.
The electr icpar king brak ewill beapplied automaticall y.
If yo udo notwa nttheelectr icpar king brak eto be applied, e.g.atan aut omatic carwash orwhen theve hicle is
being towe d,lea vetheignition switchedon.This does notinclude having theve hicle towe dwit hth ere ar axle
ra ised.
If th eelectr icpar king brak eis no tapplied automaticall y: #
Switc hth eignition offand switc hit bac kon. #
Release andthen apply theelectr icpar king brak emanuall y(/ page14 9).
If it is still no tpossible toappl yth eelectr icpar king brak e: #
Consult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
To release: #
Ifth econ ditions forau tomatic release arefulf illed andtheelectr icpar king brak eis no tre leased automat ically,
re lease theelectr icpar king brak emanuall y(/ page14 9).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving. Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 353

see
PRE-S AFE®
PL US (anticipat ory
occupant protect ion plus)
Apple CarPla y®
see Smar tphon eint egr ation
Assis tance systems
see Drivin gsaf etysy stem
ASS YSTPL US <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>250
Batt erydi sconne ctionpe riods .............2 51
Dis play ing theser vice duedate........... 250
Fu nctio n/no tes ................................... 250
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 250
Spec ialser vice requ iremen ts.............. 250
ATA (anti-thef tala rm system) .................. 84
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ......... .............................. 86
Ar ming/ disarming theto w- aw ay
alar m.....................................................8 5
Dea ctivating thealar m..................... ..... 85
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 84
Fu nctio nof theint erior motion sensor ..86
The tow- aw ay alar mfun ction .................8 5
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 158, 160
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>158
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 160 Sy
stem limit ations ........................... ....1 58
At tention assistant
see ATTENTION ASSIST
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic carwa sh mode
Ac tivati ng ........... ................................. 259
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ............ ...110
Au tomatic engine star t(E CO star t/
st op fun ction) .......................................... 132
Au tomatic engine stop (ECO star t/
st op fun ction) .......................................... 132
Au tomatic fron tpass engerfr on tair‐
bag shutoff <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 45,47
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff......... ..... 45
PA SSENGER AIRBAGind icat orlam p.....4 7 Au
tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic measures afte ran acciden t... 51
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............120
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ......................137
Dr ive pr og ram disp lay ..... .....................1 35
Dr ive pr ogr ams ....................................134
DY NA MIC SELE CTswitc h.................... 134
Eng aging drive po sitio n............ ........... 139
Eng aging neu tral ............ ...................... 138
Eng aging park position ........................ 138
Eng aging reve rsege ar .........................1 38
Kic kdo wn ....... ......................................141
Manual gearshif ting.............................1 40
St eer ing wheel paddle shifters ............ 140
Tr ans miss ionposit iondispla y.............. 137
Tr ans miss ionposit ions........................ 137
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) 396
Inde x

Data
storage
Dat apr otect ion rights ..................... ...... 33
Elect ronic contr oluni ts <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 30
Onl ine service s<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............33
Ve hicle ............................................. ..... 30
Deactiv atingthealarm(ATA ).................... 85
Dealer ship
see Qualif iedspec ialistwo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s................2 6
Decor ative fo il(cleaning instructions) ..261
Def initions (tiresand loading )...............3 04
De stinat ionentr y.... ................................ 223
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 223
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r............ ...................137
Eng aging drive po sitio n............ ........... 139 Eng
aging neu tral ............. .....................138
Eng aging park position .................. ...... 138
Eng aging park position automatic ally .. 138
Eng aging reve rsege ar .................... .....1 38
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>137
Disp lay(car e)...........................................2 63
Di spla y(MBUX multimedia system)
Hom escr een .......................................2 09
Di spla y(multime diasystem) .................. 210
Oper ating ............................................. 210
Disp lay(on- boardcom puter)
Dis play son themultifunc tiondispla y.. 205
Displa ymessag e.....................................3 32
Ca lling up (on-boa rdcom puter) ..... ......3 32
No tes .................................................. 332
Displa ymessag es
00B2 ---mp h...................................... 357
ç ---mp h...................................... 357
003D 12VBatt erySee Oper ator's
Manual ................................................ 370
: ActiveHea dlamps Inoperati ve .... 339 é
ATTENTION ASSISTInoper ative
... ..........................................................3 56
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........357
: Automatic HeadlampMode
Inoper ative..... ..................................... 338
û BeforeSt artin gth eEn gine,
Tu rn Steer ing Wheel ............................3 42
0027 CheckBrak eFlu idLevel.............3 55
0026 CheckBrak ePa ds See Oper a‐
to r's Manua l...... .................................. 356
00BD CheckCool antLevelSee Oper‐
at or's Manual ...................................... 344
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 377
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 338
0077 CheckTire s ................................ 373
00B2 CheckWa sher Fluid ...................3 44 400
Index

Door
controlpan el.....................................1 6
DO T,Tire Iden tificat ionNumbe r(TI N) ... 300
Dr aw bar
see Tow- bar system
Dr inking anddriving ................................ 129
Dr ive Awa yAssis t.... ................................ 198
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting..............................................1 39
Dr ive pr og ram dis pla y........... ..................135
Dr ive pr og rams
se eDY NA MIC SELE CT
Dr iver's seat
see Seat
Dr iving safetysy stem .............................. 151
ABS (Anti-lock Braki ng System) ........... 153
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 173
BA S(Br akeAssi stSystem) .................. 153
Cameras .............................................. 152
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................... ................................ 155 ESP
®
Cr oss wind Assi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 155
Ov ervie w .......................................... ... 152
Ra dar and ultrasonic sensors........ ...... 152
Re sponsibili ty....................................... 151
ST EER CONTR OL............. ....................156
Dr ivin gsy stem
Susp ension withadap tivedam ping
adjus tment .......................................... 184
Dr ivin gsy stem
see 360° Camer a
see ActiveBli nd Spo tAssi st
see ActiveDis tance AssistDIS TRONI C
see ActiveEmerg encyStop Assis t
see ActiveLa ne Chang eAssi st
see ActiveLa ne Keeping Assist
see ActivePa rking Assist
see ActiveSpe edLimi tAssi st
see ActiveSt eer ing Assis t
see ATTENTION ASSIST
see Blind SpotAssis t
see Cruise control
see Driving safetysy stem
see HOLD function
see Parking AssistPA RK TRONI C
see Rear vie wcam era see
Start-of fassis t
see Traf fic Sign Assist
Dr ivin gtips
Dr ink ing and drivin g............................ 129
Gene raldr ivin gtips .............................1 29
No teson breaking-in ane wvehicle ..... 129
Dr ow siness detection
see ATTENTION ASSIST
Dynamic handlingcontrolsystem
see ESP®
(Ele ctro nic Stabilit yPr og ram)
DY NA MIC SELECT .................................... 134
Con figur ing drive pr ogr am I... .............. 136
Dis play ing engin edat a........................ 136
Dis play ing vehicle data........................ 136
Dr ive pr og ram disp lay ..... .....................1 35
Dr ive pr ogr ams ....................................134
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>134
Oper ating (DYN AMIC SELECTswitc h)
... ..........................................................1 35
Selecti ngthedr ive pr ogr am ................1 35
DY NA MIC SELECT switch
Dam ping adjustment ........................... 184 40
4
Inde x

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

Pe
rm itted towing methods .....................2 78
Pe ts inthe vehicl e...... ...............................65
Plas tictrim (Car e)................................... 263
Po st-co llisio nbr ak e........ ...........................51
Po we rsupp ly
Swi tching on(Start/S topbutt on) ........ 125
Po we rwa sher (care)...............................2 59
Po we rwi ndo ws
see Side windo ws
PRE-S AFE®
(anticipat oryoccupant
pr otection) .................................................5 0
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 50
PR E-S AFE ®
Sou nd<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ........50
Re versing measur es.............................. 50
PRE- SAFE®
PL US (ant icipa tory occu‐
pa nt protection plus)................................ 50
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 50
Re versing measur es.............................. 50
Pr ev entat ive occupa ntprotection sys‐
te m
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion) Pr
ofile .......................................................2 15
Cr eat ing ane wprofile .................... ...... 217
No tes ................................................... 215
Sel ecting profile op tions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 217
Pr og rams
se eDY NA MIC SELE CT
Pr otecting theen vir onmen t
No tes ..................................................... 22
Pr otection agains tcollision .................... 198 Q
QR code
Re scue card.......................................... 30
Qualif iedspecialis two rkshop ................. 28 R
Ra dar and ultrasonic senso rs
Dam age ............. ..................................152
Ra dio
Ov ervie wof thefunc tionsand sym‐
bols ................................................ ..... 244
Ra dio ope ratin gper mits <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> ..322 Ra
in-closing featur e
Slid ingsunr oof ......................................82
Re ading lamp
see Interior lighting
Re ading light
Switc hingon/of fwit hhand move‐
ments .................................................. 215
Re ar door s(c hild safetyloc k) .................. 63
Re ar foglam p
Switc hingon/off.................................. 110
Re ar seat
see Seat
Re ar vie wcamer a....... .............................185
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 261
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 185
Opening thecamer aco ver(360°
Ca mer a)..... ..........................................189
Re fle ctive sa fety vest <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 265
Re frig er ant (air conditioni ngsystem)
No tes .................................................. 329
Re fueli ng
Re fuel ingtheve hicle ........................... 142 Inde
x41
3