2021 MERCEDES-BENZ GLS SUV Owners Manual

Dat
Dat
a st
a st or
or age
age
Data pr otection rights.............................. 41
Electronic control units............................ 38
Online services........................................ 41
Ve hicle..................................................... 38
Deactiv Deactiv ating t
ating the alar
he alar m (AT
m (ATA)
A)........................ .106
Dealer Dealer ship ship
see Quali/ed specialist workshop
Declar
Declar ation of conf
ation of conf or
ormity
mity
Elect romagnetic compatibilit y.................. 26
Impor ter addresses.................................. 33
Jack......................................................... 34
Speci/c absor ption rate........................... 27
TIREFIT kit................................................ 34
Wi reless vehicle component s................... 27
Decor
Decor ativ
ativ e f e foil (cleaning ins
oil (cleaning instr tructions)
uctions)........... 375
DeN
DeNOx ag Ox ag ent
ent
see AdBlue ®
Des
Destination entry tination entry
Entering a POI or addres s....................... 331
Det
Det ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 35 Diesel
Diesel
Low outside tempe ratures...................... 427
No tes..................................................... 427
Digit
Digit al Owner's Manual
al Owner's Manual.................................. 20
Dingh
Dingh yto
y to wing
wing
see Tow- bar system
DIRECT SELECT lev
DIRECT SELECT lev er
er
Engageing reve rsege ar.......................... 210
Engaging drive position.......................... 211
Engaging neutral................................... .210
Engaging park position automaticall y...... 210
Fu nction................................................ 209
Selecting park position........................... 210
Displa
Displa y (car
y (care)
e)............................................... 378
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen.........................................3 16
Operating.............................................. 317
Displa
Displa y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 312
Displa
Displa y in t
y in the windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 442 No
tes..................................................... 442
Displa
Displa y messag
y messag es
es
ç - - - km/h .................................... .473
È - - - km/h..................................... 472
h - - - km/h..................................... 472
# 12 V battery See Owner's Man-
ual......................................................... 492
Û 48 V battery See Owner's Man-
ual......................................................... 494
: Active Light System inoperative..... 449
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 501
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 500
¯ AdBlue system fault Engine
start not possible................................... 501
¯ AdBlue system fault See Own-
er's Manual............................................ 500 526 526
Ind
ex

5
Add 1 litre engine oil when next
re fuelling ............................................... 502
é ATTENTION ASSIST inoperati ve..... 471
é ATTENTION ASSIS T:Take a
break!.................................................... 471
: Automatic driving lights inoper-
ative...................................................... 448
_ Cannot fold 2nd seat row for-
wa rds See Owner's Manual .................... 460
Á Change key batteries .................... 446
J Check brake 0uid le vel.................. 470
ï Check trailer hitch lock (white
display message) .................................... 453
h Check tyre(s) ................................ 496
! Clean the fuel /lter....................... 463
Á Compressor is cooling .................. 486
ÿ Coolant Stop vehicle Switch
engine o............................................... 462
! currently una vailable See Own-
er's Manual............................................4 87÷
currently una vailable See Own-
er's Manual............................................4 88
5 Engine oil le vel cannot be meas-
ured....................................................... 503
5 Engine oil le velRe duce oil le vel..... 502
5 Engine oil le velSt op vehicle
Switch engine o.................................... 502
5 Engine oil pressure Stop Switch
o. engine.............................................. 503
ä Fault Drive at max. 80 km/h
...................................................... 483, 484
ä Fault Stop.................................... .484
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 43
& inoperative Battery low................. 451
& inoperative Refuel vehicle............. .451
& inoperative See Owner's Man........ 451
! inoperative See Owner's Manual.. .488
÷ inoperative See Owner's Manual.. .489
T inoperative See Owner's Manual.. .490 G
Inoperative................................... 491
î inoperative....................................4 75
: Intelligent Light System inopera-
tive........................................................ 449
Á Key being initialised Please wait.... 447
Á Key not de tected (red display
message).............................................. .447
Á Key not de tected (white display
message).............................................. .446
: LeT dipped beam (e xample).......... 448
6 LeT windowbag malfunction
Consult workshop (e xample).................. 443
 Lowe ring....................................... 485
: Malfunction See Owner's Man-
ual ......................................................... 448
î Max. speed 40 km/h .................... 476
ð Maximum speed exceeded ............ 475
î Not possible in cur rent drive
prog ram................................................. 475
Ø .................................................... 499 Index
527 527

ç
O................................................ .473
ë O.................................................4 71
ï Operation only possible in
transmission position P .......................... 452
! Parking brake See Owner's
Manual..................................................4 67
Á Please reduce speed .................... .486
Ý Please wait 48 V battery charg-
ing......................................................... 494
h Rectify tyre pressure ..................... 497
Ø Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 499
! Release parking brake ...................469
¸ Replace air cleaner ....................... 463
Á Replace key.................................. 446
8 Reser vefuel le vel.......................... 463
6 Restraint sys. malfunction Con-
sult workshop ....................................... .443
# See Owner's Manual..................... 492
y Siderunning boa rdnot extended ... 455 Ù
Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 456
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 456
# Stop vehicle Lea veengine run-
ning ....................................................... 494
# Stop vehicle See Owner's Man-
ual......................................................... 493
ç suspended .................................... 473
: Switch o. lights............................ 449
: Switch on headlamps .................... 449
á temp orarily una vailable Camera
view restric ted....................................... 482
¸ temp orarily una vailable Sensors
dirty....................................................... 481
Ø Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 499
+ Top up coolant See Owner ’s
Manual.................................................. 461
¥ Top up washer 0uid...................... .460 ï
Trailer coupling extending…........... 453
! Turn on the ignition torelease
th e parking brake ................................... 470
d Vehicle is operational Switch o.
ignition before exiting............................. 452
Á Vehicle rising Please wait.............. 485
Á Vehicle rising ................................ 485
h Warning tyre defect....................... 497
h Wheel sensor(s) missing ................ 496
Ø XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 500
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 479
Ac tive Blind Spot Assist inoperative........ 479
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual................................................. .480
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........490 528 528
Index

Ac
tive Brake Assist Functions limi ted
See Owner's Manual.............................. 491
Ac tive Distance Assist available again ..... 474
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 473
Ac tive Distance Assist inoperative.......... 474
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 480
Ac tive Lane Keeping Assist inoperative... 480
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 476
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 476
Ac tive Steering Assist inoperative...........4 76
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .............477
Ac tive Stop-and-Go Assist inoperative
See Owner's Manual.............................. 477 Ad
aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 450
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .450
Anti-theT alarm system Malfunction ....... 460
Apply brake todeselect Park (P) posi-
tion....................................................... .464
Apply brake toselect D or R ...................464
Apply brake toselect R .......................... 464
Au xiliary battery malfunction (red dis-
play message) ....................................... .466
Au xiliary battery malfunction (white
displ aymessage) .................................... 466
Beginning emer gency stop..................... 477
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 478
Blind Spot Assist inoperative.................. 479
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 479Cann
otstart engine See Owner's
Manual.......................................... 461, 495
Check brake pads See Owner's Man-
ual......................................................... 470
Cruise control and Limi ter inoperative.... 472
Cruise control inoperative......................4 72
Cruise control o.................................... 472
Device de tected at diagnostics con-
nection See Owner's Manual................. .492
Drive system Malfunction Stop Switch
engine o............................................... 463
Drive system Malfunction Visit work-
shop ...................................................... 463
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .444
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .444
Gearbox pr otection Limit 30 km/h
Switch o. LOW RANGE.......................... 459
Hazard warning lamps malfunctioning .... 450 Index
529 529

Head-up display cur
rently una vailable
See Owner's Manual.............................. 455
Head-up display inoperative ...................455
Limiter inoperative................................. 472
Limiter passive....................................... 472
LO W RANGE Malfunction....................... 458
LO W RANGE Malfunction Topar k,
apply parking brake ................................ 458
LO W RANGE Max. speed 10 km/h ......... 459
LO W RANGE Max. speed 40 km/h ......... 459
LO W RANGE Not in drive prog ram
"Sport".................................................. .458
LO W RANGE only when vehicle sta-
tionary................................................... 457
LO W RANGE ShiT toposition N brie0y... .458
LO W RANGE ShiTing cancelled Please
re activate.............................................. 458
LO W RANGE Stop Apply parking brake ... 459
Mo tor can be star ted again .................... 495 N permanently active Risk of
vehicle
ro lling....................................................4 65
Only select Park (P) when vehicle is
stationary.............................................. 464
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 486
Place theke y in the mar ked space
See Owner's Manual.............................. 447
PRE-SAFE impulse side inoperative
See Owner's Manual.............................. 445
PRE-SAFE inoperative See Owner's
Manual.................................................. 445
Re duce speed........................................ 498
Re versing not poss. Consult workshop ... 465
Risk of vehicle rolling Driver door
open and transmission not in P .............. 465
Side running boa rdnot retracted
Obser vetheex cess width of theve hi-
cle......................................................... 454
Speed limit (winter tyres) XXX km/h .......475 Speed Limit Assist cur
rently una vaila-
ble See Owner's Manual........................ 474
Speed Limit Assist inoperative................ 474
St op vehicle Lea veengine running
Wa itTransmission cooling ......................466
To shiT out of P or N,depress brake
and start engine.................................... .464
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 461
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 478
Tr a1c Sign Assist inoperative................. 478
Tr ansmission Malfunction Stop............... 465
Ty re press. monitor cur rently una vaila-
ble......................................................... 495
Ty re press. monitor inoperative .............. 495
Ty re press. monitor inoperative No
wheel sensors ........................................ 496
Ty re(s) ove rheated .................................. 498 530 530
Index

Update
failed......................................... 452
Update failed SoTware remains
unchanged............................................. 452
Update successfully comple ted.............. 452
Wi per malfunctioning .............................460
Wi thout changing gear, consult work-
shop ...................................................... 465
Dist
Dist ance contr
ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS
DIS TR
TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door
Additional door loc k................................. 84
Child saf ety lock (rear door )..................... 78
Locking/unlocking (emer gency key)........ .88
Opening (from inside).............................. .85
Po we r closing function............................. 87
Unlocking (from inside)............................ 85
Door contr
Door contr ol panel
ol panel......................................... 14
Door contr
Door contr ol panel (r
ol panel (rear)
ear) ................................ 16
Do
Do wnhill dr
wnhill dr iving assist
iving assist ance
ance
see DSR Dra
Dra
wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .295
Dr
Dr iv
ive position
e position
Engaging................................................ 211
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display .................................. 207
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 160
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .231
Ac tive Brake Assist................................. 253
Ad aptive brake lights.............................. 236
BAS (Brake Assist System).................... .231
Cameras................................................2 29
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 35
ESP ®
Crosswind Assist.......................... 233
ESP ®
trailer stabilisation........................ 233
O.- road ABS.......................................... 231 Overview...............................................
.230
Ra dar and ultrasonic sensor s................. 229
Re sponsibility......................................... 229
ST EER CONTROL................................... 235
Dr
Dr iving syst
iving syst em
em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol
see Driving saf ety sy stem
see DSR
see E- ACTIVE BODY CONTROL
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist Index
531 531

see
Tra1c Sign Assist
Dr
Dr iving tips
iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 160
Gene ral driving tips................................ 195
optimised acceleration........................... 194
Ru nning-in no tes.................................... 193
Dr ow
Dr ow siness det siness det ection
ection
see ATTENTION ASSIST
DSR
DSR Activating/deactivating.................. 249, 250
Changing thetarg etspeed..................... 250
Fu nction................................................ 249
No tes..................................................... 249
Dynamic handling contr
Dynamic handling control syst ol system
em
see ESP ®
(Elect ronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Calling up the fuel consum ption indi-
cator...................................................... 208
Con/guring drive prog ram I................... .207
Displaying engine data........................... 207
Displaying vehicle dat a........................... 207
Drive prog ram displa y............................ 207
Drive prog rams..................................... .205 Fu
nction................................................ 205
Ope rating.............................................. 207
Selects the drive prog ram...................... 207 E E
E-A
E-A CTIVE BOD
CTIVE BOD Y C
Y CONTR
ONTR OL
OL
Individual wheel cont rol.......................... 277
Re covery mode...................................... 276
Setting the le vel..................................... 277
Suspension............................................ 273
E10
E10.............................................................. 426
Easy entr Easy entr y f y feature
eature
Fu nction/no tes...................................... 129
Easy e
Easy e xit f
xit featu re
eature
Fu nction/no tes...................................... 129
EBD (Electr
EBD (Electr onic Br
onic Brak
ake f
e f or
orce Distr
ce Distr ibution)
ibution)
Fu nction/no tes...................................... 235
EC
EC O Assist
O Assist
Fu nction/no tes...................................... 203
EC
EC O displ ay
O display
Fu nction................................................ 202
EC
EC O st
O st ar
art/st
t/st op function
op function
Switching o./on.................................... 202 Electr
Electr
ic par
ic par king br
king br ake
ake
Applying automaticall y........................... 226
Applying/releasing manuall y.................. 227
Emer gency braking................................ 227
Re leasing automaticall y.......................... 227
Electr
Electr ical fuses
ical fuses
see Fuses
Electr Electr oh ohydr
ydr aulic suspension
aulic suspension
see E- ACTIVE BODY CONTROL
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of con form ity......................... 26
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram)
Emerg
Emerg ency
ency
Assis tance overview.................................18
Fire extinguisher.................................... 381
Fi rs t-aid kit (soT sided).......................... 381
Re moving thewa rning triangle............... 380
Saf etyve st............................................ .380
Setting up thewa rning triangle............... 381
Emerg
Emerg ency br
ency br aking
aking...................................... 227
Emerg
Emerg ency br
ency br aking
aking
see BAS (Brake Assist System) 532
532
Index

Emerg
Emerg
ency call
ency call
see Mercedes-Benz emer gency call system
Eme rg
Emerg encykey
ency key
Inserting/ removing.................................. 83
Locking/unlocking the door s................... 88
Unlocking theta ilgate.............................. 95
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .192
Emerg
Emerg ency r
ency release
elease
Ta ilgate.................................................... 95
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating.................................................4 15
No tes..................................................... 414
Engine
Engine Engine number....................................... 423
Starting (emer gency ope ration mode ).... 192
St arting (Remo teOnline)........................ 193
Engine data
Engine data
Displaying............................................. .207
Engine electr
Engine electr onics
onics
No tes..................................................... 420
Engine number Engine number............................................. 423 Engine oil
Engine oil
Additives................................................ 430
Capacity................................................ 431
Checking the oil le vel using the on-
board computer.....................................3 67
MB-F reigabe or MB-Appr oval................. .431
Quality................................................... 431
To pping up............................................ .368
Ent Ent er
ering/e
ing/e xiting lev
xiting lev el
el
Setting................................................... 272
ERA
ERA -GL
-GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .354
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 233
Tr ailer stabilisatio n................................. 233
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 234
Fu nction/no tes...................................... 232
EU type approv
EU type appr oval number
al number ............................. 423 Ext
Ext
endable r
endable r unning boar
unning boar ds
ds ............................. 89
Ext
Ext endable st
endable st ep
ep
see Running boa rds
Ext
Ext er
erior lighting
ior lighting
Car e...................................................... 376
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 381
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 381
Flacon
Flacon Inserting/removing................................ 182
Flat to
Flat towing
wing
see Tow- bar system
Flat tyre
Flat tyre MOExtended tyres................................. 382
Notes..................................................... 382
TIREFIT kit.............................................. 384
Wheel chang e........................................ 409
Floor mats
Floor mats................................................... 158 Index
533 533