2021 MERCEDES-BENZ GLS SUV service

Occupant
safety Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0075 SRS Malfunct ionServic e
Required *T
herestra int system ismalfunct ioning(/page37 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. 0075
Front LeftMalfunction
Service Required(exa mp le) *T
hecor responding restra int system ismalfunct ioning(/page37 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. 0075
Left Side Curtain Airbag
Malfunction Service
Requ ired(exa mp le) *T
hecor responding windowcur tain airbag ismalfun ctionin g(/ page37 ). &
WARNIN GRisk ofinju ryor fata linj urydue toamalf unctionin thewindo wcur tain airbag
The windo wcur tain airbag mightbetrigg ered unin tentio nallyor might notbe trigg ered atall intheev ent ofan
acciden t. #
Have thewindo wcur tain airbag checkedand repair edimmediat elyat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 409

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Driver 'sDoor Open &
Transmission NotinPRisk
of Vehicle RollingAway *
The driver's door isno tfully closed andtransmission position005B,005Eorneutr al005C isselect ed. #
Select parkposition 005Dwhen switchingoffth eve hicle.
N Permanent lyAct ive Risk
of Rolli ngAway *
While theve hicle isrolling orwhile youar edr ivin g,ne utral 005Chas been engage d. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhile theve hicle isstatio nary. #
Tocontinu edr ivi ng, select transm ission position 005B or005E.
Servi ceRequire dDo Not
Shif tGe ars VisitDeal er *T
hetransmission ismalfunctionin g.The transmission positioncannolong erbe chang ed. #
When transm issionposit ion005Bisselec ted, con sult aqu alif ied spec ialistwo rkshop anddonotch ang eth etra ns‐
mission position. #
Forall other transmission positions,parkth eve hicle safely. #
Consult aqu alif ied spec ialistwo rkshop orbreakdo wnservice.
Reversing NotPossible
Service Required *
The transmission ismalfunctioning. Thetransmission position005Ecanno tbe select ed. #
Consult aqu alif ied spec ialistwo rkshop.
Transmission Malfunction
Stop *
The transmission ismalfunctioning. Thetransmission shiftsto neu tral 005C automatical ly. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Depr essthebr ak epedal. #
Engage par kposition 005D. 426
Displa ymessag esand warning/ indic ator lam ps

Ac
tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 220
Disp lay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 220
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>220
Ac tiv eSte ering Assis t.............................2 22
Ac tivati ng/d eactiv ating ........... ............224
Ac tiveEmerg encyStop Assis t.............2 26
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 224
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>222
Sy stem limits ....................................... 222
Ac tiv eTr af fic Jam Assis t
Ac tivati ng/d eactiv ating ........... ............227
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>227
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>146
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 147
Ad diti onalcus hion
Leg rest <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 100
Re ar passe nger com partment head
re stra int ...............................................1 06 Ad
diti ves.................................................. 396
En gine oil............................................ 396
Fu el ..................................................... 396
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
ADS PLUS dam ping system
see AIRMA TIC
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 4
Air cond itioning menu
Callin gup ........................................ .... 160
Air distribut ion
Se tting ............................................ .....1 59
Se tting (MBUX multimedi asy stem) ...... 161
Air freshen ersystem
see Perfume atomiz er
Air inle t
see Air-water duct Air
pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents ................................................... 165
Ad jus ting (front) ............ ...................... 165
Ad jus ting (rea r) ............ ........................ 165
Glo vebox.............................................1 67
Air vents
see Airvents
Ai r-condi tioningsystem
see Climat econ trol
Air -recir cula tion mode............................ 162
Air -water duct .......................................... 328
Ke eping free ........................................3 28
Airb ag....... ..................................................42
Ac tivati on ........... ...................................37
Cushio nbag...........................................4 2
Fr ont airbag (driver ,fr ont passeng er)....4 2
Ins tallation locations .............................4 2
Knee airbag........................................... 42
Ov ervie w ..... .......................................... 42
PA SSENGER AIRBAGind icat orlam p.....4 7 Inde
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5

D
Dash board
see Cockpit
Data acquisition
Ve hicle ................................................... 31
Data storage
Ele ctroni ccontr oluni ts ............ ..............31
Online services ...................................... 33
Ve hicle ............................................. ...... 31
Da ytim eru nning lampmode
see Daytime running lights
Da ytime running lights ........................... 147
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 147
Deact ivat ing theala rm (ATA ).................... 91
Deale rship
see Qualified speci alist wo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s................2 7
Decor ative fo il(cleaning instructions)
.. .............. ...................................................3 32
De finitions (tiresand loading) ................3 72 Des
tinat ion entry<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 295
Ent ering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 295
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r............ ...................185
Eng aging drive po sitio n............. ........... 187
Eng aging neu tral ............. .....................186
Eng aging park position .................. ...... 186
Eng aging park position automatic ally .. 186
Eng aging reve rsege ar .................... .....1 86
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>185
Disp lay(Car e).......................................... 334
Disp lay(MB UXmultim edi asy stem)
Hom escr een .......................................2 82
Di spla y(multime diasystem) .................2 83
Oper ating ............................................283
Di spla y(on -boar dco mp uter)
Displ ayson themultifunc tiondispla y.. 278 Disp
laymes sage.....................................4 08
Ca lling up (on-boa rdcom puter) ..... ......4 08
No tes .................................................. 408
Displa ymessag es
00B2 ---mp h.....................................4 46
ç ---mp h.....................................4 44
003D 12VBatt erySee Oper ator's
Manual ................................................ 452
00D7 48VBatt erySee Oper ator's
Manual ................................................ 454
: ActiveHea dlamps Inoperati ve .... 415
é ATTENTION ASSISTInoper ative
... ..........................................................4 33
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........433
: Automatic HeadlampMode
Inoper ative..... ...................................... 414
0027 CheckBr ak eFluid Level.............4 32
0026 CheckBrak ePa ds See Oper a‐
to r's Manua l..... ................................... 433 Inde
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1

00BD
CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 423
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 458
: CheckLef tLo wBeam (exa m‐
ple) ....................................................... 414
0077 CheckTire s ................................ 456
00B2 CheckWa sher Fluid ...................4 22
00C4 Compressor IsCoo ling ...............437
ÿ Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 423
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ......443
ç Currentl yUna vailable Radar
Sen sorsDir ty ...................................... 442
0025 Currentl yUna vailable See
Opera tor's Manua l...... .........................447
00E5 Currentl yUna vailable See
Opera tor's Manua l...... ........................ 448
Á Don't Forget Your Key.................4 13 00C4
Drive More Slowly ............ .......... 437
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...460
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................459
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 460
00B3 EngineOil Reduce OilLevel........ 459
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 09
00B6 FuelLevelLo w ............................ 424
00B6 GasCap Loose ...........................4 24
0025 Inoper ativeSee Oper ator's
Manua l..... ........................................... 448
00E5 Inoper ativeSee Oper ator's
Manua l..... ........................................... 449
007A Inoper ativeSee Oper ator's
Manua l..... ........................................... 450
0053 Inoper ative..... ............................4 51
î Inoper ative..... ............................4 44 :
Intell. Light System Inoperativ e.. 415
Á KeyNo tDe tected (red displ ay
messa ge).............................................4 13
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)...................................... 412
0075 LeftSide Curtain Air bag Mal‐
func tion Service Required (exa mp le) ...4 09
00C5 Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ............435
ä Malfunctio nDr ive at Ma x.50
mp h............................................. 434, 435
: Malfunction SeeOper ator ’s
Manual .................................................4 14
î Max.Speed 25mph...................4 44
î Notin Cur r.Dr ive Pr og ............. ..444
Á ObtainaNe wKe y.......................4 12
ç Off..............................................4 45
00D9 Off....... .......................................443
0049 Parking Brak eSee Opera tor's
Manua l...... .......................................... 428
0077 PleaseCor rect Tire Pressur e...... 457 482
Index

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
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Ac
tiveSt op &Go Assis tInoper ative
See Oper ator's Manual ........................ 439
Ad aptiveHig hbeam Assis tCur rently
Un available SeeOper ator' sMan ual.....4 16
Ad aptiveHig hbeam Assis tIn oper a‐
tiv e .......................................................4 16
App lyBrak eto Shif tfr om 'P' ............... 425
Apply Brak eto Shif tto 'R' ...................4 25
Apply Brak eto Shif tto Dor R............ ..425
Au xiliary Batt eryMal functi on.............. 427
Begi nning Emergency Stop .................. 438
Blind SpotAssis tCur rentl yUna vaila‐
ble See Opera tor's Manua l..... ...... .......439
Blind SpotAssis tInoper ative....... ........440
Blind SpotAssis tNo tAv ailable When
To wing aTr ailer SeeOperat or'sMan ‐
ual ................ .......................................4 40
Ca nno tSt artEn gin eSee Operat or's
Man ual................................................ 454
Cr uise Control Inoper ative.................. 446 Cr
uise Control Off...............................4 46
Decr easeSpeed .................................. 458
Dr iver's Door Open &Trans miss ion
No tin PRisk ofVehicle Rolling Away ..426
Engine CanNo wBe Started ................ 455
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................4 10
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................4 10
Gearbo xPr otect ion Limit 18mp h
Dis ableLO WRANGE ............................4 22
Hazard Warning Flashe rsMalfunc‐
tioning .................................................. 416
LO WRANGE Malfunct ion..................... 421
LO WRANGE Malfunct ionToPark,
App lyBrak e <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 421
LO WRANGE Max.Speed 6mp h..........4 21
LO WRANGE Max.Speed 25mph........ 422
LO WRANGE Notin Drive Pr ogr am
"Spor t"................................................ 420 LO
WRANGE OnlyWhen Vehicle Is
St atio nary............................................ 420
LO WRANGE Shiftto Position N
Br ief ly <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 420
LO WRANGE Shifting Canceled
Please React ivat e ................................ 421
LO WRANGE Stop Appl yPa rking
Brak e...................................................4 21
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual .................. 451
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 426
Only Shiftto 'P' when Vehicle isSta‐
tio nar y.................................................4 25
Pla cetheKe yin theMar kedSpace
See Oper ator's Manual ........................ 413
PRE-S AFEImpulse SideInopera tive
See Oper ator's Manual ........................ 411
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l...... ................................... 411 48
4
Inde x

Re
versing NotPo ssible Service
Re quired .............................................. 426
Ru nning BoardsNo tRe tract edPay
At tentio nto Exces sWi dthof Vehicle ....4 17
Ser vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 426
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g...................4 27
Ti re Press. Monit orCur rently
Un available .......................................... 455
Ti re Press. Monit orInopera tive ........... 455
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors .................................... 456
Ti re sOv erheat ed................................. 457
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.................................. 425
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3sec‐
onds orpress 3times. .........................423 Tr
af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual................ 441
Tr af fic Sign AssistInoper ative..... ........ 441
Tr ans miss ionMalfun ction Stop ........... 426
Up dat eFa iled .......................................4 16
Up dat eFa iled SoftwareRe mains
Un chang ed ...........................................4 16
Up dat eSucc essfull yCom pleted .......... 416
Disp layon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Ch ild sa fety lock (rear door s).......... ...... 64
Loc king (emerg encykey) ................ .......7 3
Opening (from theinside) ............... .......7 0
Po we rclosi ngfunction ..........................7 3
Un loc kin g(emer gency key) ............ ........ 73
Un loc kin g(fr om theinside) ...................7 0
Door controlpan el.....................................1 4 Door
controlpan el(rear passeng er
com partment) ............................................ 16
DO T,Tire Iden tificat ionNumbe r(TI N) ... 368
Do wn hilldr ivin gass ista nc e
se eDSR
Dr aw bar
see Tow- bar system
Dr inking anddriving ................................ 173
Dr ive Awa yAssis t.... ................................ 260
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting..............................................1 87
Dr ive pr og ram dis pla y........... ..................184
Dr ive pr og rams
se eDY NA MIC SELE CT
Dr iver's seat
see Seat
Dr iving safetysy stem .............................2 01
ABS (Anti-lock Braki ng System) ........... 203
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 207
BA S(Br akeAssi stSystem) .................. 203 Inde
x485