2021 MERCEDES-BENZ GLS SUV warning

Br
ak es Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0049 Elect ric pa rking brak eindi‐
cat orlam p(red) (USAonl y)
0024
Elec tric par kingbr ak eindi‐
cat orlam p(red) (Canada
onl y)
0024 The elect ric pa rking brak e
(y ello w)indic ator lam p The
redelect ric pa rking brak eindic ator lam pflashes orislit.
The yello welect ric pa rking brak eindic ator lam palso lightsup intheeve ntofama lfunctio n.
* #
Notethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 46
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0027 Br ak ewa rning lam p(US A
onl y)
004D Br ak esy stem warning lam p
(Canada only) The
redbr ak esy stem warning lam pis lit while theengine isrunning .
*P oss ible cau ses:
R The brak efo rc eboos tingismalfunct ioningandthebr aking charact eristic sma ybe affect ed.
R The reisinsuf ficie ntbrak efluid inthebr ak efluid reser voir. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofacci dent andinjuryifbr ak efo rc eboos tingismalfunct ioning
If br ak efo rc eboos tingismalfunct ioning,increased brak epedal forc ema ybe neces saryfo rbr aking. Thebraking
ch aract eristic sma ybe impair ed.The brakin gdis tance canincrease ineme rgency braki ng situa tions. #
Stop inasaf elocation immediat ely.Do notcont inue driving. #
Consult aqu alif ied spec ialistwo rkshop. &
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
no tcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Donotadd brak efluid. 468
Displaymes sagesand warning/ indic ator lam ps

Dr
ivin gsy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
L Wa rning lam pfo rdis tance
wa rning func tion The
reddis tan cewarning lam plight sup while theve hicle isin mo tion.
*T he distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oachingan obs tacle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedis tance.
Fu nctio nof ActiveBr ak eAssi st(/ pag e20 7).
ä Suspens ionwarning lam p
(y ello w) The
yello wAIRMA TIC/E -ACTIV EBO DY CONTR OLwarning lam pis lit.
*A fault has occur redin theAIRMA TIC/E-ACTIV EBO DY CONTR OL. #
Notethemessag eson themultifunc tiondispla y.
ä
Sus pens ion wa rning lam p
(r ed) The
redE- AC TIVE BODY CONTR OLwarning lam pis lit.
*Ther eis afa ult intheE- AC TIVE BODY CONTR OL.
* 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. Disp
lay mes sage sand warning/ indic ator lam ps 469

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Notethemessag eson themultifunc tiondispla y. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Consul ta qu alif ied spec ialistwo rkshop. Dr
iving safetysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p The
yello wAB Swa rning lam pis lit while theengine isrunning .
*ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
The wheels mayloc kdur ing braking.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 47
0
Display messa gesand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E5 ESP ®
wa rning lam pflashes The
yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
*O neormor ewh eelsha sre ac hed itsgrip limit (/page203). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s.
00E5 ES P®
wa rning lam plight s
up The
yello wES P®
wa rning lam pis lit while theengine isrunning .
* ESP ®
is mal func tioning .
Ot her drivi ng systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. 00BB
ESP ®
OFF warning lam p The
yello wES P®
OFF warning lam pis lit while theengine isrunning .
* ESP ®
is de acti vated.
Ot her driving systems anddriving safetysy stems mayalso beinoper ative. Displa
ymessag esand warning/ indic ator lam ps 47
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofskid ding whe ndr ivi ng with ESP ®
de acti vated
ESP ®
do es notact tostabiliz eth eve hicle. Theavailabilit yof fur ther driving safetysy stems isalso limited. #
Drive on car efull y. #
Dea ctivateESP ®
only foras long asthesituation requ ires.
If ES P®
can notbe act ivat ed, ESP®
is malfun ctionin g. #
Have ESP ®
ch eckedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Obser vetheno teson deactiv atingESP®
(/ page203). Ti
re pres sur emoni tor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes The
yello wtirepr essur emon itor wa rning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one minu te and
th en remains lit.
*The tirepr essu remonit orismalfu nctioning. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es. 47
2
Display messa gesand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. 0077
Ti re pressur emonit oring
sy stem warning lam plight s
up The
yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
*The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires canwearexc essiv elyand/or unevenly .
R The drivi ng charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur eand thetir es. Displa
ymessag esand warning/ indic ator lam ps 47
3

0049
Please Release Parking Brak e.....4 31
00D9 Please WaitChar ging 48VBat ‐
te ry … <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 454
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 412
y Running BoardNo tExt end ed...... 418
003D SeeOperator's Manua l...... ........452
0075 SRSMalfunction Service
Re quired ...... ........................................ 409
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l..... ..................... .............................. 418
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ....4 18
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011>...453
003D Stop Vehicle SeeOper ator's
Manual ................................................ 453
ç Suspended ................................. 445
: SwitchOf fLig hts <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 415
: SwitchOn Hea dlamps ................ 415 0049
Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 432
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............. 417
00C4 Vehicle Rising Please Wait.......... 437
00C4 Vehicle Rising ............................. 435
0077 Warning Tire Malfunction ........... 457
0077 Wheel Sensor(s) Missing............ 456
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.... 440
Ac tiveBli nd Spo tAssi stInoper ative.... 440
Ac tiveBli nd Spo tAss t.No tAv ailable
When Towing aTr ailer SeeOpera‐
to r's Manua l...... .................................. 441
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Man‐
ua l...... ................................................. 450
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual .................. 451 Ac
tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.... 445
Ac tiveDis tance AssistInoper ative.... .. 445
Ac tiveDis tance AssistNo wAv ailable
.. ...........................................................4 45
Ac tiveLa ne Keeping AssistCur rentl y
Un available SeeOper ator' sMan ual.....4 39
Ac tiveLa ne Keeping AssistInopera‐
tiv e ...................................................... 439
Ac tivePa rking Assistand
PA RK TRONI CInoper ative See Opera‐
to r's Manua l..... ................................... 441
Ac tiveSt eer ing Assis tCur rentl y
Un available SeeOper ator' sMan ual.....4 37
Ac tiveSt eer ing Assis tInoperativ e.......4 38
Ac tiveSt eer ing Asst.Cur rentl y
Un available DuetoMultiple Emer‐
ge ncy Stops ......................................... 438
Ac tiveSt op &Go Assis tCur rently
Un available SeeOper ator' sMan ual.....4 39 Inde
x483