2020 MERCEDES-BENZ CLA Owners Manual

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 (/page15 7).
If it is no tposs ibleto 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 (/page15 7).
or #
Release theelectr icpar king brak eaut omaticall y(/ page15 7).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving under anycir cums tances. Consu ltaqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 48
7

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(/ page15 7).
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 gunde ran ycir cum stanc es.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 ebat tery charge leve lis toolo w: #
Char gethebatt ery. 488
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To appl y: #
Swi tchof fth eignition .
The electr icpar king brak ewill beapplied automaticall y.
If th eelectr icpar king brak eis no tto be applied, e.g.atan aut omatic carwash orwhen theve hicle isbeing towe d,
lea vetheignition switchedon.This does notinclude having theve hicle towe dwit hth ere ar axle raised.
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(/ page15 7).
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(/ page15 7).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving under anycir cums tances. Consu ltaqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 489

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 (/page15 7).
R Youar eper form ing emer gency braki ng using theelectr icpar king brak e(/ page15 8). #
Che ckthecon ditions forau tomatic release oftheelectr icpar king brak e. #
Release theelectr icpar king brak emanually . 490
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 49
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Donotad dbr ak efluid. #
Con sult aqu alif ied spec ialistwo rkshop.
0026 Check BrakePadsSee
Operator's Manual *T
hebrak epads have reac hed thewe arlimit . &
WARNIN GRisk ofacci dent dueto restrict ed braki ng powe r
When thebr ak epads have reac hed their wearlimit ,th ebr aking powe rma ybe restrict ed. #
Drive on car efu lly. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Consult aqu alif ied spec ialistwo rkshop. 492
Displa ymessag esand warning/ indic ator lam ps

Dr
ivin gsy stems Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
é ATTE NTION ASSISTInoper-
ative *A
TTENTION ASSISTis malfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
é ATTENTION ASSIST: Take a
Break! *A
TTENTION ASSISThas detected fatig ue oran incr easing lack ofconc entration onthepar tof thedr iver
(/ page205). #
Ifneces sary,take abr eak .
ä
Malfun ction Drive atMax .
50 mph *T
headjus table dam ping ismalfunc tioning. Thevehicle's handling charact eristic sma ybe affect ed. #
Donotdr ive at spe eds grea terth an 50 mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop.
Act ive Steering AssistCur-
rently Unavaila bleSee
Operator's Manual *A
ctiv eSt eer ing Assis tis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page17 9). Dis
play messa gesand warning/ indic ator lam ps 493

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Drive on.
As soon astheambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Ifnec essar y,cle an thewindshield inthecamer a'sfield ofvision. #
Chec kth etir epr essur eif neces sary.
Active SteeringAssistInop -
era tive *A
ctiveSt eer ing Assis tis malfunct ioning.ActiveDis tance AssistDIS TRONI Cremains available. #
Con sult aqu alif ied spec ialistwo rkshop.
Ø *A
ctiveSt eer ing Assis thas reac hed thesy stem limits (/page17 9).
Yo uha ve notst eer edindependen tly fo ra consider ableper iod oftime. #
Take ove rth esteer ing and drive on inaccor dance withth etraf fic condi tions.
Begi nning Emerg encyStop *Y
our hands areno ton thesteer ing wheel. Anemer gency stop isinitiat ed(/ page18 3). #
Put your han dsbac kon thesteer ing wheel.
Yo ucan cancelthedeceler ationatanytime byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oraccelera ting
R Pressing ast eer ing-wheel button
R Oper ating Touc hCon trol
R Deact ivatin gAc tiveDis tan ceAssi stDIS TRONI C 49
4
Dis play messa gesand warning/ indic ator lam ps