2021 MERCEDES-BENZ GLS SUV towing

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra ffic con dition sand restar t
th eengine.
Blind SpotAssist Inopera-
tive *B
lind SpotAss istis malfun ctionin g. #
Consult aqu alif ied spec ialistwo rkshop.
Blind SpotAssist NotAvail-
able When Towing aTrailer
See Operator's Manual *W
hen youes tablish theelectr icalconnect iontothetra iler ,Blind SpotAssis tis una vailable. #
Press thelef t-hand Touc hCon trol and ackn ow ledg eth edispla ymessag e.
Act ive Blind SpotAssist
Current lyUnavailable See
Operator 'sManual *A
ctiv eBli nd Spo tAssi stistemp orarily una vailable.
The system limits have been reac hed (/page26 4). #
Drive on .
On ce thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra ffic con dition sand restar t
th eengine.
Act ive Blind SpotAssist
Inoper ative *A
ctiveBli nd Spo tAssi stismalfun ctionin g. #
Consult aqu alif ied spec ialistwo rkshop. 44
0
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Blind SpotAsst.Not
Available WhenTowing a
Trailer SeeOperator' sMan-
ual *W
hen youes tablish theelectr icalconnect iontothetra iler ,Ac tiveBli nd Spo tAssi stisuna vailable. #
Press thelef t-hand Touc hCon trol and ackn ow ledg eth edispla ymessag e.
Act ive Parkin gAssist and
PARKTRONIC Inoperative
See Operator 'sManual *A
ctivePa rking Assistand Parking AssistPA RK TRONI Caremalf unction ing . #
Stop theve hicle inaccor dance withth etra ffic con dition sand restar tth eengine. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop.
Traffic SignAssist Cur-
rently Unavaila bleSee
Operator's Manual *T
raffic Sign Assistis temp orarily una vailable. #
Drive on.
Onc eth ecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
Traf ficSig nAs sist Inoper a-
tiv e *T
raffic Sign Assistis malfun ctionin g. #
Stop theve hicle inaccor dance withth etra ffic con dition sand restar tth eengine. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 44
1

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

ESP
®
(Electr onicStabil ityProg ram) ...... 203
Ac tivati ng/d eactiv ating ........... ........... .205
Fu nctio n/no tes ................................... 203
Ext endable running boards....................... 74
Ext enda blestep
see Running boards
Ex terior light ing
see Light s
Ext erior light ing(Car e)...........................3 32
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 155, 156
Anti-glar emod e(a ut oma tic) ................ 156
Au tomatic mirrorfo lding function ........ 157
Fo lding in/out .....................................1 55
Oper ating thememor yfunc tion ........... 115
Pa rking posit ion...................................1 56
Se tting ................................................. 155 F
Fa tig ue detection
see ATTENTION ASSIST
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ....337
Fl aco n
Inse rting/ remo ving ............................. 163 Flat
tire .....................................................3 38
Cha nging awhe el....... ..................... .... 379
MOExt ended tires ................................ 338
No tes .................................................. 338
TIREFIT kit...........................................3 39
Flat towing
see Tow- bar system
Floor mats................................................ 141
Fo ilco vering
Ra dar and ultrasonic sensors.............. 201
Fo lding table ............................................ 122
Fr ag rance
see Perfume atomiz er
Fr ee driving mode
St artin g...............................................2 43
Fr ee sof tware ............................................ 34
Fr eq uencies
Tw o-w ayradio ................................ ...... 391
Fr ont airbag (driver ,fr ont passeng er).....4 2
Fr ont passeng erseat ................................ 96
Ad jus ting from thedr iver's seat ...... ...... 96 Ad
jus ting from there ar passe nger
com partment .........................................9 7
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 96
Ad ditiv es.............................................3 96
E1 0 ....... ............................................... 395
Fu elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 396
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 395
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 395
Re fuel ing .............................................. 191
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 395
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...............396
Fu nction seat
see Door controlpanel
Fu nction seat(rear passeng ercom‐
par tment)
see Seat (rear passeng ercom partmen t)
Fu ses ........................................................ 353
Bef orere placing afuse ........................ 353
Dashboar dfuse box............................ 355
Fu se assignment diagram...................3 53
Fu se boxin thecar gocom partmen t....3 55
Fu se boxin theengine compartmen t.. 354 488
Index

Pa
rking posit ion
Ex terior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 156
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar .........................................1 57
PA SSEN GERAIRBAGstatus displa y
see Automatic front pass engerfront
airb agshut off
Pa yload
Calculat ionexam ple ............................ 365
De term inin gth emaximum .................. 364
Pe rfume
see Perfume atomiz er
Pe rfume atomizer .................................... 163
Inser ting/r emoving theflacon .............1 63
Se tting ............................ ..................... 163
Pe rfume vial
see Perfume atomiz er
Pe riod out ofuse
Ac tivati ng/d eactiv ating standb y
mode .............................................. .....2 01
St andb ymode function .......................2 00
Pe rm itted towing methods .....................3 49 Pe
ts inthe vehicl e...... ...............................66
Plas tictrim (Car e)................................... 334
Po st-co llisio nbr ak e........ ...........................51
Po we rcl os ingfun ction
Doo r............ ............. .......................... ...73
Po we rsupp ly
Swi tching on(Start/S topbutt on) ........ 168
Po we rwa sher (care)...............................3 30
Po we rwi ndo ws
see Side windo ws
PRE-S AFE®
(anticipat oryoccupant
pr otection) .................................................4 9
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>49
PR E-S AFE ®
Sou nd<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .......49
Re versing measur es.............................. 50
PRE- SAFE®
Im pulse Side...........................5 0
Ac tivati on ........... ...................................37
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>50
PRE -SAF E®
PL US (anticipat oryoc cu‐
pant protection plus)................................ 50
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>50
Re versing measur es.............................. 50 Pr
eve ntativ eoccupant protection sys‐
te m
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
Pr ofile .......................................................2 87
Cr eat ing ane wprofile .........................2 88
No tes ................................................... 287
Selecting profile options ..................... 288
Pr og rams
se eDY NA MIC SELE CT
Pr otecting theen vir onmen t
No tes ..................................................... 22
Pr otection agains tcollision ...................2 60
Pull ingaway
see Notes Q
QR code
Re scue card...........................................3 1
Qualif iedspecialis two rkshop ................. 28 496
Index