2021 MERCEDES-BENZ GLS SUV ECU

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(/ page19 9).
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 g.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 ech arge leve lis toolo w: #
Char gethe12 Vbatt ery. Dis
play messa gesand warning/ indic ator lam ps 429

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To appl y: #
switc hth eignition off.
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(/ page19 9).
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(/ page19 9).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving. Consult aqu alif ied spec ialistwo rkshop. 430
Displa ymessag esand warning/ indic ator lam ps

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
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
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

Re
mo ving/ins talling ............................ 128
Car gocom partmen tflo or
Lo cking/ unloc king.............................. 132
Car gotie- down rings ...............................1 31
Car pet(Car e)...........................................3 34
Chang eof addr ess ....................................25
Cha ngeof ow ner ship ................................ 25
Changing awheel
Pr epar ation .......................................... 379
Ra ising theve hicle ........................... ... 380
Changing awheel
see Emer gency sparewheel
Chan ginggears ....... ................................. 187
Manually ..............................................1 87
Cha nging hubcap s.................................. 379
Cha rging
Bat tery (vehicle) .............................. .... 347
Mobile phone(wireless) .................. .....1 39
USB port....... .......................................137
Child safetyloc k
Re ar door s.............................................6 4
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 65Chi
ldseat
At tach ing (notes) ................................... 55
Basic instructions ..................................5 1
Fr ont- passeng erseat (notes) ......... ........ 62
LA TC H-type (ISOFIX )(ins talling) ...... ...... 57
No teson risk sand dang ers ............ .......5 2
Secu ring on thefront passeng erseat ....6 3
Secu ring on there ar seat .............. ........ 61
To pTe ther ....................................... .......6 0
Child ren
Av oiding dangersin theve hicle .............5 2
Basi cins tructi ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ..............51
Speci alsea tbel tre tract or ........... .......... 56
Ch ock ........... .............................................378
St or ag elocation .............................. ....3 78
Choc k
see Choc k
Cleani ng
see Care
Clim atecontr ol........................................ 159
Ac tivati ng/d eactiv ating ........... ............160
Ac tivati ng/d eactiv ating (rea rop erat‐
ing unit)........... ....................................160 Ac
tivati ng/d eactiv ating theA/C
func tion (cont rolpanel) .......................1 60
Ac tivati ng/d eactiv ating theA/C
func tion (MBUX multimedia system) ...160
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (cont rolpanel) .......... 162
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (MBUX multimedia
sy stem) ................................................ 162
Air -reci rculati onmod e.........................1 62
Au tomatic control..... ........................... 161
Au tomatical lycontr olling (rear oper‐
ating unit) ............................................ 161
Callin gup theair con ditionin gmenu ...160
Con trol pan elfor3-zone automatic
clima tecontr ol<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ........159
Con trol pan elfordua l-zone auto‐
matic climatecontr ol<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 159
Defr osting thewindshield .................... 159
Fil ling cap acityforPA Goil ...................4 01
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .............165
Glo veboxair vent <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........167
Inser ting/r emoving theflacon (fra‐
gr anc esy stem) .................................... 163
Ionization ............................................. 163
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 159 Inde
x47
9

Kic
kdow n......... ........................................1 88
Using .............. .....................................188
Knee airbag ...... .......................................... 42 L
Label ing(tires)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
LA TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g................................................ 57
Leg rest
At tach ing/ remo ving theadditional
cushion ................................................ 100
Le velcontr olsystem
see AIRMA TIC see
E-AC TIVE BODY CONTR OL
Light switch
Ov ervie w ........................................ .....1 43
Lig hting
see Interior lighting
see Ligh ts
Lig hts ........................................................ 143
Ad aptiveHig hbeam Assis t.............. .....1 46
Au tomatic driving lights..... .................. 144
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 144
Cor nering light <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...........146
Haza rdwa rning light s.................... ...... 145
High beam............ ...............................144
High -beamflasher ...............................1 44
Light switch..... .............................. ......1 43
Lo w-beam headlam ps.................... .....1 43
Pa rking light s.................................. .....1 43
Re ar foglam p................................. ..... 143
Re sponsibili tyforlig hting systems ...... 143
Se tting theex terior lighting switch-
of fdela ytime ................................. ...... 147
St andi nglight s................................ .....1 43
Switc hingthesur round lighting
on /of f.................................................1 48
Tu rn signal light................................... 144 Limit
edWa rranty
Ve hicle ................................................... 31
Limit ingtheopenin gang le(tailg ate) ...... 80
Liv eTr af fic Inf orma tion
Swit ching thetra ffic inf ormatio ndis‐
pla yon ................................................ 298
Load index(tir es) .................................... 370
Load protection net
At tach ing .............................................1 30
Lo ad-bear ingcapaci ty(tir es) .................370
Load ing.....................................................1 31
Bag hook<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>....131
Car gotie-do wn rings <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....131
Coat hook ............................................ 132
Def initio ns ............ ...............................372
No tes ................................................... 119
Ro oflugg agera ck <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 133
Load ingguid elines ...................................1 19
Load inginforma tion table ...................... 363
Load s
Sec uring ...............................................1 19 Inde
x49
1

Re
versege ar
Inser ting.......................................... .... 186
Rims (Care) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>332
RO AD SUR FACE SCAN
Mult ifunction cam era ...................... .... 239
RO AD SUR FACE SCAN
see Camera
Ro adside Assistan ce(breakdo wn)...........24
Ro llaw ay protection
see HOL Dfun ction
Ro ller sunblind .......................................... 89
Pa nor amaro of wit hpo we rtilt/sli d‐
ing panel ..................... ...........................84
Sid ewi ndo ws(elect ric) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 89
Ro llovercr ash ............ ................................29
Ro ofload .................................................. 403
Ro ofload display
In fo rm atio n.......... .......................... ...... 183
Ro oflugg agera ck
Loadi ng.................... ......................... ... 133
Secu ring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>133 Ro
ute ...... ..................................................296
Ca lcul ating .......................................... 296
Selecting options ................................296
Ro uteguidanc ewith augment edreal‐
ity
Activati ng ........... ................................. 296
Dis play ing stre et nam esand house
num bers <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 296
Ro ute-base dspee dadap tation
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>221
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>222
Ru n-f lat charact eristics
MOExt ended tires ....... .........................338
Ru nning boards.......................................... 74
Car e................................................ .... 332
Ex tendi ng/r etra cting <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .75
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>74 S
Saf etysy stems
see Drivin gsaf etysy stem
Sat ellit era dio
Logg ingin<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> ...........319
Se tting musicand sportaler ts........ .....3 19 Sear
chlight
Swit ching on/ offwit hhand move‐
ments .................................................. 286
Seat ..................................................... 94,12 4
4-w aylumbar support...........................9 8
Ad jus ting (electr ica lly)............ ...............94
Ad jus ting are cli ning rear seat ...............9 8
Ad jus ting thefront passeng erseat
fr om there ar passe nger com part‐
men t...................................................... 97
Au tomatic seatadjustment .................. 107
Con figur ing these ttings ......................1 07
Cor rect driver's seatpos ition ................ 94
Fo lding backth ebac kres ton the
th ird row ofseats ................................. 127
Fo lding thebac kres t(r ear passeng er
com partmen t)bac k..................... 100,125
Fo lding thebac kres t(r ear passeng er
com partmen t)forw ards togetin
(t hi rd row ofseats) .............................. 100
Fo lding thebac kres t(r ear) forw ards .... 124
Fo lding thebac kres ton theth ird row
of seats forw ards .................................1 26
Mass agepr ogr am overview .................1 08 498
Index