2021 MERCEDES-BENZ GLS display

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
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

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
î Inoperat ive *T
heDownhill Speed Regulation ismalfunction ing. #
Consult aqu alif ied spec ialistwo rkshop.
î Not inCurr. Drive Prog. *T
heDownhill Speed Regulation isno tav ailable inthecur rentl ysel ect eddrive pr ogr am. #
Chang eth edr ive pr ogr am (/ page18 2).
î Max. Speed 25mph *T
hemaximum speedof25 mph(4 0km/h) forth eDo wnhill Speed Regulation hasbeen exceeded. #
Drive mor eslo wly.
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 218). 444
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00D7 48 VBatt erySee Opera-
tor's Manual *T
he48 Von-boar delectr icalsystem has func tion restrictions .Co nve nience func tions ma ybe restrict ed. #
Consul ta qu alif ied spec ialistwo rkshop immediat ely.
00D9
Please WaitCharging 48V
Batt ery… *T
he48 Vbatt eryis disc harged. Youha ve switc hedontheignition whilethe12 Vbatt erywa sbeing charge dwit ha
suit able charge ror whi leano ther vehicle waspr ov iding star tin gassis tance.
The disc ha rged 48 Vbatt eryis ch arge daut omatic allyviathevo ltag econ verter .Af tera fe w min utes, theEn gine
Can Now BeStarted displaymessag ewill besho wnonthemultifunc tiondispla y. #
Startth eengine. #
Drive th eve hicle fora whi leto charge the12 Vbatt eryand the48 Vbatt eryaf te rdisconnecting thech arge r
fr om theve hicle.
If th eEn gine CanNow BeStarted displaymessag edoes notappear afte ra fe w min utes: #
Tryto star tth eengine again. #
Ifth eengine doesnotst ar t,con sult aqu alif ied spec ialistwo rkshop.
Cannot StartEngine See
Operator's Manual *T
hecharge leve lof the48 Vbatt eryis toolow. Youcan nolongerst ar tth eengine. #
Switc hof felectr icalconsumer sth at areno tre qu ired. 45
4
Disp lay mess ages and warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Dec
rease Speed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Engine
oil Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. 458
Display mess ages and warning/ indic ator lam ps

Ins
trum ent Disp lay De
pen dingon thedispla yse tting, theposition s
of theindicat orlam pson theIns trument Display
ma ydif ferfr om theex am ple shown.
Indi catorand warning lam ps:
0075 Re
stra int system (/ page462)
00E9 Seat
belt(/page462)
Ù Electric po we rst eer ing
(/ page463)
ÿ Coolanttemp eratur e(/ page46 4)
00B9 Chec
kEn gine (/page46 4)
003D Elect
rical mal functi on(/ page 464) 00B6
Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page46 4)
0049 US
A:elec tric par kingbr ak e(red)
(/ page46 7)
0024 Canada:
electric par kingbr ak e(red)
(/ page46 7)
0024 Ele
ctric pa rking brak e(yello w)
(/ page46 7)
0027 US
A:brak es (red) (/ page46 7)
004D Canada:
brak es (red) (/ page46 7)
L Distance warning (/ page469)
ä AIRMA TIC/E -ACTIV EBO DY CON‐
TR OL (/ page469)
0025 ABS
(/page47 0)
00E5 ESP®
(/ page47 0)
00BB ESP®
OFF (/page 470)
0077 Ti
re pressur emonit oring system
(/ page47 2)
0060 Pa
rking lam ps(/ page14 3)
0058 Lo
wbe am (/ pag e14 3)
0057 Hi
gh beam (/ page14 4) 003E003D
Tu
rn signal lights(/page14 4)
005E Re
ar foglam p(/ page14 3) Displ
aymessa gesand warning/ indic ator lam ps 46
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p
fl ashes The
yello wfuel reser vewarning lam plight sup while youar edr ivin g.
*Th erehas been press ureloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Consul ta qu alif ied spec ialistwo rkshop.
00B6 Fu elreser vewarning lam p
light sup The
yello wfuel reser vewarning lam plight sup while theengine isrunning .
*T he fuel supply hasdropped intoth ere ser verang e. #
Refuel . 466
Displaymessa gesand warning/ indic ator lam ps

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