ECU MERCEDES-BENZ GLS 2020 Owners Manual

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
Update Successfully Com-
pleted *I
nstallation ofthesof twareupdat ehas been success fullycompleted(/ page37 7).
Up dat eFa iledSoftw are
Re mai nsUncha nged *A
ner ro roccur reddur ing theins tallation ofthesof twareupdat e(/ page37 7).
Th epr ev ious softwareve rsion remains inpla ce.
Upda teFail ed *A
ner ro roccur reddur ing theins tallation ofthesof twareupdat e(/ page37 7).
Ma keaMer cedesme call viatheove rhead control panel (/page44 2).
0072
Vehi cleRea dytoDrive
Switch theIgnitio nOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) .
Ru nning BoardsNot Retrac -
ted PayAttentio nto
Excess Width ofVeh icle *M
ercedes- Maybac hve hicles: theru nning boards areno tre tract ed.
R The running boards canberetract edvia themultimedia system onlywhen theve hicle isstatio nary
(/ page79).
R The running boards andtheside skirtmus tbe free ofdir t,ice and snow.Other wise, they areunabl eto retract. #
Clea nth eru nning boards (/page 490). 57
6
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Repeat thege ar chang e.
LOW RANGENot inDrive
Pro gram "Sport" *Y
ouwill notbe able toselect theLO WRANGE off-r oad gear ifth edr ive pr ogr am C orB isswitc hedon.
The drive pr og ram ther efor eaut omaticall yswitc hestoA . #
Select theLO WRANGE off-r oad gear (/ page20 5).
LOW RANGEMalfun ction
To Park ,App lyBrake *T
hetransf ercase ismalfunctionin g. #
Donotshif tth etra nsf ercase. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away. #
Con sult aqu alif ied spec ialistwo rkshop.
LOW RANGE Shifting Can-
celed Please Reactivate *T
hetransf ercase didnotper form thege ar chang e. #
Repeat thege ar chang e. #
Ensur eall shif tingcon dition sar eme t(/ page20 5).
LOW RANGEMalfun ction *T
hetransf ercase ismalfunctionin g. #
Donotshif tth etra nsf ercase. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away. #
Con sult aqu alif ied spec ialistwo rkshop.
LOW RANGE StopApply
Parking Brake *T
hetransf ercase ismalfunctionin g. #
Stop theve hicle inaccor dance withth etra ffic con dition s. 580
Display mess ages and warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Appl yth eelectr icpar king brak e. #
Wher eneces sary,also secureth eve hicle agains tro lling away. #
Eng agepa rk position 005D.
LOW RANGE Max.Speed 6
mph *T
hemaximum speedof6mp h(1 0 km/h) forth ege ar chang ehas been exceed ed. #
Drive mor eslo wly . #
Repeat thege ar chang e.
LOW RANGEMax .Spe ed
25 mph *T
hemaximum speedof25 mph(4 0km/h) forth ege ar chang ehas been exceed ed. #
Drive mor eslo wly . #
Repeat thege ar chang e.
Gearbo xPro tection Limit
12 mph Disable LOW
RAN GE *T
heoiltemp eratur ein thetra nsf ercase istoohigh. #
Intheon- road posit ion,shif tto HIGH RANG E.
00B2
Che ckWa sher Fluid *T
hewasher fluid leve lin thewa sher fluid reser voirhas dropped belowtheminimum. #
Refill wa sher fluid (/ page48 2). Dis
playmes sagesand warning/ indic ator lam ps 58
1

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 (/page21 6).
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 (/page21 6).
or #
Release theelectr icpar king brak eaut omaticall y(/ page21 6).
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 58
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(/ page21 6).
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. 588
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(/ page21 6).
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(/ page21 6).
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 589

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
(/ page28 7). #
Ifneces sary,take abr eak .
ä
Malfun ction Drive 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. Displa
ymessag esand warning/ indic ator lam ps 593

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
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 (/page24 2). #
Drive on.
As soo nas theambient 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. 596
Displa ymessag esand 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 (/ page19 6).
î
Ma x.Spe ed25 mph *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 237). Displ
aymessa gesand warning/ indic ator lam ps 603

Cha
nging awheel
Pr eparation .........................................5 38
Ra ising theve hicle ........................... ... 539
Changing awheel
see Emer gency sparewheel
Chan ginggears ....... ................................. 201
Manu ally <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 201
Cha nginghub caps <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 539
Cha racter ent ry
On theto uc hpad .... .............................3 63
Char ging
Batt ery(v ehi cle) .................................. 503
Mobi lephone (wireless) .................. .....1 51
USB port.......................................... ....1 48
Chil dsaf etyloc k
Re ar door .............................................. 66
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 67
Swi tching on/of f(R ea rSea tEnt er‐
ta inm ent System )...............................3 75
Child seat
At tach ing (notes) ................................... 56
Basic instructions ..................................5 1
Fr ont- passeng erseat (notes) ......... ........ 64 LA
TC H-type (ISOFIX )(ins talling) ...... ...... 58
No teson risk sand dang ers ............ .......5 2
Secu ring on thefront passeng erseat ....6 5
Secu ring on there ar seat .............. ........ 63
To pTe ther ....................................... .......6 2
Child ren
Av oiding dangersin theve hicle .............5 2
Basi cins tructi ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ..............51
Speci alsea tbel tre tract or ........... .......... 58
Ch ock ........... ............................................ 537
St or ag elocation .............................. ....5 37
Choc k
see Choc k
Cleani ng
see Care
Clim atecontr ol........................................ 171
Ac tivati ng/d eactiv ating ........... ............172
Ac tivati ng/d eactiv ating theA/C
func tion (cont rolpanel) .......................1 73
Ac tivati ng/d eactiv ating theA/C
func tion (multimedia system) .............. 173
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (cont rolpanel) .......... 174 Ac
tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (multimedia sys‐
te m) ..................................................... 175
Air dist ribution settings .......................1 73
Air -reci rculati onmod e.........................1 75
Au tomatic control..... ........................... 173
Au tomatic control(rear pass enger
com partment) ...................................... 173
Callin gup theair con ditionin gmenu ...173
Con trol pan elfor3-zone automatic
clima tecontr ol<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .........171
Con trol pan elfordua l-zone auto‐
matic climatecontr ol<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 171
Defr osting thewindshield .................... 171
Fil ling cap acityforPA Goil ...................5 61
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .............177
Glo veboxair vent <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........179
Inser ting/r emoving theflacon (fra‐
gr anc esy stem) .................................... 176
Ionization ............................................. 175
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 171
Re ar air vents <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...............178
Re ar oper atingunit .............................. 172
Re ar passe nger com partment resid‐
ual heat ................................................ 175
Re frig er ant .......................................... 560 64
2
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