MERCEDES-BENZ A-CLASS SEDAN 2021 Owner's Manual

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0080 Transmission OilOverhea-
ted Drive withCaution *T
hetransmission isove rheating. Whenthedispla ymessag eis activ e,star t-up and drivin gch aract eristic sma ybe
te mp orarily im pair ed. #
Drive at low engine speed. #
Avoid spor tydriving. #
Beforepulling away on uphill gradients, letth etra nsmiss ioncool down until thedispla ymessag edisappear s.
Parkin gLock Inoper ative
Apply Parkin gBrak e *
The transmiss ionismalfunct ioning.Theparkposition 005Dcann otbe select ed. #
Park theve hicle safely. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away.
Teaching inTransmission
Operate SelectorLever
Apply Brake forXXsRisk
of Vehicle RollingAway *T
hetransmission isbeing taught in.Ther eis arisk oftheve hicle rolling away. #
Dep ress and hold thebr ak epedal untilthete ac h-in proce sshas been completed.
The elect ric pa rking brak eis applied automat icallydur ing thete ac h-in proce ss. #
Swit chon theignition . #
Select parkposition 005D,transmiss ionposition 005Eorneutr al005C.
Apply Parkin gBrak eRisk
of Rolling AwaySeeOpera-
tor' sManual *T
hetransmission positioncannotbe reliably identified. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away.
Teaching inTransmission
Complete *T
hetransmission's teac h-in proce ssiscom plete.All trans mis sionpos itions canbeselect edagain. Disp
lay mes sage sand warning/ indic ator lam ps 34
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Transmission Malfunction
Servic eRequired *T
hetransmission ismalfunctionin g.
Consult aqu alif ied spec ialistwo rkshop.
Auxiliary BatteryMalfunc-
tion *T
heauxilia rybatt eryfo rth etra nsmiss ionisno long erbeing charge d. #
Consult aqu alif ied spec ialistwo rkshop. #
Untilthen, alwaysselect parkposition 005Dmanually beforeyo uswit choffth eengine. #
Beforelea ving theve hicle, apply theelectr icpar king brak e. 350
Displa ymessag esand warning/ indic ator lam ps

Br
ak es Di
spl aymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Parking BrakeSeeOpera-
tor's Manual *
The yello w0024 indicator lam pis lit. The elect ric pa rking brak eis malfun ctionin g.
To appl y: #
Swi tchth eignition offand switc hit bac kon. #
Appl yth eelectr icpar king brak emanually (/page14 9).
If it is no tpo ssi ble to appl 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.
* The yello w0024 indicator lam pand there d0049 (USAonl y)or 0024 (Canada only)indicat orlam par elit. The elec‐
tr ic par kingbr ak eis malfunc tioning.
To release: #
Swit chtheignition offand switc hit bac kon. #
Release theelectr icpar king brak emanually (/page14 9).
or #
Release theelectr icpar king brak eaut omaticall 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 35
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
* The yello w0024 indicator lam pis lit and there d0049 (USAonl y)or 0024 (Canada only)indicat orlam pis flashin g.
The electric par kingbr ak eis malf unctionin g.
The electric par kingbr ak ecoul dno tbe applied orreleased. #
Swit chtheignition offand switc hit bac kon.
To appl y: #
Release andthen apply theelectr icpar king brak emanuall y(/ page14 9).
To release: #
Appl yand then release theelectr icpar king brak emanuall y.
If th eelectr icpar king brak ecann otbe applied orthere d0049 (USAonl y)or 0024 (Canada only)indicat orlam p
con tinues toflash: #
Donotcon tinue drivin g.Con sult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
* The yello w0024 indicator lam pis lit and there d0049 indicat orlam p(US Aonl y)or 0024 indicat orlam p(Can‐
ada only)flashes forapp roxima tely tenseco ndsafte rth eelectr icpar king brak ehas been applied orreleased. It
th en remains litor goes out.Theelectr icpar king brak eis malfu nctioning.
If th ech arge leve lis toolo w: #
Char gethe12 Vbatt ery. 352
Displa ymessag esand warning/ indic ator lam ps

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

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Please Release Parking
Brake *
The red0049 indicat orlam p(US Aonl y)or 0024 indicat orlam p(Canada only)isflashin g.
The electric par kingbr ak eis applied whileyouar edr ivin g:
R Aco nd ition forau tomatic release oftheelectr icpar king brak ehas notbeen fulfilled (/page14 9).
R Youar eper form ing emer gency braki ng using theelectr icpar king brak e(/ page15 0). #
Che ckthecon ditions forau tomatic release oftheelectr icpar king brak e. #
Release theelectr icpar king brak emanually . 35
4
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Turn Onthe Ignit ionto
Release theParking Brake *
The red0049 (USAonl y)or 0024 indicat orlam p(Canada only)islit.
Yo uha ve attem pte dto release theelectr icpar king brak ewit hth eignition switchedoff. #
Switc hon theignition .
0027 (US Aonl y)
004D (Canada only)
Check BrakeFluid Level *T
her eis insuf ficie ntbrak efluid inthebr ak efluid reser voir. &
WARNIN GRisk ofan acci dent dueto low brak efluid leve l
If th ebr ak efluid leve lis toolow, thebr aking effect and thebr aking charact eristic sma ybe impair ed. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Donotadd brak efluid. Dis
playmes sagesand warning/ indic ator lam ps 355

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0026 Check BrakePadsSee
Operator' sManual *T
hebrak epads have reac hed thewe arlimit . #
Con sult aqu alif ied spec ialistwo rkshop. Dr
iving systems Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
00D9 Off *T
heHOLD functionisdeactiv ated because theve hicle isslipping oracondition foractiv ation isno tfulf illed. #
React ivat eth eHOLD function later or checkth eactiv ation conditions forth eHOLD function (/page15 6).
é ATTEN TIONASSIST Inoper-
ati ve *A
TTENTION ASSISTis malfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. 356
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
é ATTE NTION ASSIST: Take a
Break! *A
TTENTION ASSISThas detected fatig ue oran incr easing lack ofconc entration onthepar tof thedr iver
(/ page15 8). #
Ifnece ssary,ta ke abr eak .
00B2
- -- mph *C
ruise con trol can notbe act ivat ed asnotall act ivation condition sar efulf illed. #
Obser vetheactiv ation conditions forcr uis econtr ol(/ page16 1).
Cru iseControl Inoperative *C
ruise con trol ismalfun ctionin g. #
Consult aqu alif ied spec ialistwo rkshop.
Cruise Control Off *C
ruise con trol has been deact ivat ed.
If th er eis an additional warning tone, cruise contr olha sbe en deacti vatedaut omatic ally(/ page16 0).
ç
- -- mph *A
ctiveDis tan ceAssi stDIS TRONI Ccanno tbe acti vatedas notall activ ation condition sar efulf illed. #
Com plywithth eactiv ation conditions ofActiveDis tance AssistDIS TRONI C(/ page 164). Displ
aymessa gesand warning/ indic ator lam ps 35
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ç Suspended *I
fyo udepr esstheaccelera torpeda lbe yond theAc tiveDis tance AssistDIS TRONI Cse tting ,th esy stem will switc h
to passiv emode (/page16 2).
ç
Of f *A
ctiv eDis tan ceAssi stDIS TRONI Cwa sdeactiv ated. Ifawa rning tone also sou nds, ActiveDis tance Assist
DIS TRONI Cha sde acti vatedaut omatic ally(/ page16 4).
Active Distance AssistCu r-
rentl yUna vailab leSee
Ope rator' sMa nua l *A
ctiveDis tan ceAssi stDIS TRONI Cis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page16 2).
As soo nas theambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Drive on .
Ac tiveDis tan ceAssist Inop-
erat ive *A
ctiveDis tan ceAssi stDIS TRONI Cis ma lfunctio ning.
Ot he rdr ivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
Act ive Distance AssistNow
Availabl e *A
ctiveDis tan ceAssi stDIS TRONI Cis op erati ona lag ain. #
Swi tchon ActiveDis tance AssistDIS TRONI C(/ page 164). 358
Displaymessa gesand warning/ indic ator lam ps