2021 MERCEDES-BENZ GLS Owners Manual

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 (/page19 9).
R Youar eper form ing emer gency braki ng using theelectr icpar king brak e(/ page19 9). #
Checkth econ ditions forau tomatic release oftheelectr icpar king brak e. #
Release theelectr icpar king brak emanually . Displa
ymessag esand warning/ indic ator lam ps 43
1

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. 432
Displaymes sagesand warning/ indic ator lam ps

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
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
(/ page26 1). #
Ifneces sary,take abr eak . Dis
playmes sagesand warning/ indic ator lam ps 433

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ä Malfunct ionDrive atMax.
50 mph *A
IRMA TICisfunctioning onlytoalimit edextent. The vehicle's handling charact eristic sma ybe affect ed. #
Drive in amanne rap propr iate forth ecur rent leve l,but donotex ceed 50mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop.
E-A CTIVE BODYCONTROL
Funct ionLimited SeeOper-
ator's Manual *A
tle as tone mainfunctio nof theE- AC TIVE BODY CONTR OLsystem ismalfunct ioning.
The system isoutside theoper ating temp eratur era ng eor theon- boar delectr icalsystem voltag eis toolow.
* NO
TEThe vehicle's suspension anddam ping behaviorisrestrict ed. The vehicle body maytilt hea vilyto the
side during corner ing. #
Drive on car efully . #
Reduce speed consider ablybef oreta king abe nd. #
Avoid sudden steer ing movements. #
Drive on car eful ly. #
Reduce speed consider ablybef oreta king abe nd. #
Avoid sudden steer ing movements.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. 43
4
Dis playmes sagesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Select edLevel NotAvaila-
ble When RearFogLamp
On *Y
oucann otselect off-r oad leve l+3. #
Swit choffth ere ar foglam p.
00C5
Lowering *T
hevehicle leve lma ybe lowe redfo rth efo llo wing reason s:
R Youha ve select edadif fere nt drive pr ogr am.
R Youha ve exceed edthespeed limit.
R Youha ve chang edtheve hicle leve lby pressing thebutt on.
R Oper ation withatrailer orbicy clerack :if an elect rical connecti onhasbee ncor rectl ymad e,youha ve excee‐
ded thespeed limit.
R Youha ve switc hedonthere ar foglam pin theof f-r oad leve l+3.
00C4
Vehic leRising *Y
our vehicle isadjus tingtotheleve lyo uha ve select ed.
ä Malfunction DriveatMax.
50 mph *A
tle as tone mainfunctio nof theE- AC TIVE BODY CONTR OLsystem ismalfunct ioning.
The system isdeactiv ated. Displa
ymessag esand warning/ indic ator lam ps 435

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
* NO
TEThe vehicle's suspension anddam ping behaviorhaschang edsign ifican tly, theve hicle body maytilt
hea vilyto theside during corner ing. #
Reduce vehicle speed. Drive on car efull y. #
Reduce theve hicle speed consider ablybef oreta king acur ve. #
Avoid sudden steer ing movements. #
Continue driving careful lyand donotexc eed 50mph(80 km/h). #
Ifpossible, stop theve hicle inaccor dance withth etraf fic condi tions andswitchth eignition offand onagain. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop.
ä
Malfunction Stop *T
her eis aser ious malfunction affecting thehy draulics oftheE- AC TIVE BODY CONT ROLsy stem.
The system isdeactiv ated.
* NO
TEThe vehicle's driving charact eristic sha ve chang edsign ifican tly. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do not
con tinue drivin gunder anycir cums tances. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. 436
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00C4 Drive MoreSlowly *Y
ouaredr iving toofast forth eselect edvehicle leve l. #
Drive mor eslo wlyand then select thedesir edvehicle leve lag ain.
Yo uar edr ivin gto oqu ickl ywit hatrailer orthetrailer hitchsoc ketis be ing used ,e.g .fo ra re ar cycle rack . #
Read theinf ormation ontrailer operation.
00C4 Vehicle RisingPlease Wait *T
hevehicle leve lis toolow. The vehicle willberaised totheselect edvehicle leve l. #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
00C4 Comp ressor IsCoolin g *D
uetofreq uent leve lch ang eswit hin ashor tspac eof tim e,thecom pressor firs tnee dstocool down inorder toset
th eselect edvehicle leve l. #
Drive on inamann erappr opriatefo rth ecur rent leve l.Mak esur eth at ther eis suf ficie ntgrou nd clearance .
Whe nth ecom pressor hascooled down, theve hicle willcont inue rising totheselect edvehicle leve l.
Ac tiveSt eerin gAss istCur-
ren tlyUnav ailable See
Operat or'sManual *A
ctiv eSt eer ing Assis tis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page222). #
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. Dis
play messa gesand warning/ indic ator lam ps 43
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Steering AssistInop-
erative *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 (/page222).
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 isbeing initiated(/ page226). #
Put your han dsbac kon thesteer ing wheel.
Yo ucan cancelthedeceler ationatanytime byper form ing one ofthefo llo wing actions :
R Steer ing
R Depr essing thebr ak eor accelera torpeda l
R Pressing ast eer ing-wheel button
R Oper ating Touc hCon trol
R Deact ivatin gAc tiveDis tan ceAssi stDIS TRONI C
Activ eStee ringAsst. Cur-
rentl yUna vailab leDue to
Mu ltiple Emer gency Stop s *A
ctiveSt eer ing Assis tis temp orarily una vailable duetomultip leemerg encystops. #
Take ove rth esteer ing and stop inaccor dance withth etra ffic con dition s. #
Swit chtheignition offand switc hit bac kon.
Ac tiveSt eer ing Assis tis available once mor e. 438
Displaymes sagesand warning/ indic ator lam ps