2021 MERCEDES-BENZ GLS SUV ECU

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
If yo u do not wantthe electric parking brake tobe applied, e.g. at an automatic car wash or when theve hicle is being
to we d, lea vetheve hicle switched on. This does not include having theve hicle towe d with there ar axle raised.
If th e electric parking brake is not applied automaticall y: #
Switch theve hicle o. and switch it back on #
Release and then apply the electric parking brake manually (/ page 227).
If it is still not possible toapply the electric parking brake: #
Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
T
T o r
o r elease:
elease: #
Ifth e conditions for automatic release are ful/lled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page 227).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a quali/ed specialist workshop.
!
Release parking brake *T
hered! indicator lamp is 0ashing.
The electric parking brake is applied while you are driving:
R A condition for automatic release of the electric parking brake has not been ful/lled (/ page 227).
R You are per form ing emer gency braking using the electric parking brake (/ page 227). Display messages and
warning/indicator lamps
469
469

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
W
WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedu reand do not re-couple the trailer until the display message disappears. #
Notethe messages on the instrument displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. Display messages and
warning/indicator lamps
507
507

Char
Char
ging
ging
No tes on wireless chargin g.................... 155
On-boa rdelectrical system battery
(12 V).................................................... 391
USB port................................................ 154
Child safe
Child safe ty lock
ty lock
Re ar door................................................ .78
Re ar side wind ows................................... 80
Child seat
Child seat
Appr oval catego ries.................................62
At tach ing (no tes)..................................... .62
Basic instructions.................................... 57
Fr ont passenger seat (no tes).................... 76
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .76
ISOFIX/i-Size (/tting).............................. .66
No tes on risks and danger s...................... 58
Re commendations forch ild restraint
systems................................................... 61
Seats suitable for belt-secured child
re straint systems..................................... 72
Seats suitable for i‑Size child restraint
systems................................................... 66
Seats suitable for ISOFIX child
re straint systems..................................... 64 Securing on
the co-driver seat..................77
Securing on there ar seat......................... 74
To pTe ther................................................ 70
Childr
Childr en en
Av oiding dangers in theve hicle............... .58
Basic instructions.................................... 57
Chock
Chock
Storage location..................................... 408
Chock
Chock see Chock
Cleaning
Cleaning see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 179
Ac tivating/deactivating (rear operat-
ing unit)................................................. 179
Ac tivating/deactivating the A/C func-
tion (control panel)................................. 179
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 180
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 81Ac
tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 181
Air-recirculation mode (with /ne parti-
cle pre/lter)...........................................1 81
Au tomatic control................................. .180
Au tomatically controlling (rear operat-
ing unit )................................................. 180
Calling up the air conditioning menu....... 179
Demisting the windscreen...................... 178
Demisting windo ws................................ 181
Fr ont air vents........................................ 186
Glo vebox air vent.................................. 188
Information on the windscreen heater.... 183
Inserting/re movingthe 0acon (fra-
gr ance system)...................................... 182
Ionisatio n.............................................. .182
No te...................................................... 178
Re ar air vents......................................... 187
Re ar operating uni t................................ 179
Re sidual heat......................................... 181
Re sidual heat (rear operating unit)......... .181
Setting (MBUX multimedia system)......... 179
Setting the air distribution...................... 178
Setting the air0ow.................................. 178
Setting the frag rance system.................. 182 524 524
Ind
ex

HANDS-FREE A
HANDS-FREE A
CCESS
CCESS................................... 93
Handset
Handset Stow age compartmen t.......................... .140
Hazar
Hazar d w
d war
arning lights
ning lights................................... 162
Head r
Head r es
estrtraint
aint
At tach ing/removing the supplemen-
ta ry cushion.......................................... .122
EASY ADJUST luxury head restraint
(f ro nt).................................................... 120
Fr ont (adjusting mechanically)................ 118
Fr ont (luxury head restraint)................... 119
Re ar (adjusting)..................................... .120
Re ar (luxury head restraint).................... 121
Re ar (removing//tting)........................... 121
Head-up displ ay
Head-up display
Adjusting brightness (on-board com-
puter).................................................... 313
Ad justing display elements (on-board
co mp uter).............................................. 313
Care...................................................... 378
Fu nction................................................ 312
Menu (on-boa rdcomputer)..................... 313
Operating the memory function.............. 131 Setting
the position (on-board com-
puter).................................................... 313
Switching on/o.....................................3 14
Headlam
Headlam p p0ashing
0ashing ........................................ 162
Headlam
Headlam ps
ps
see Automatic driving lights
Heating
Heating see Climate control
Help call
Help call see Mercedes-Benz emer gency call system
High beam
High beam Activating/deactivating.......................... 162
High beam
High beam see Adaptive Highbeam Assist Plus
HIGH RAN
HIGH RAN GE
GE
ShiTing.................................................. 214
High-pr
High-pr essur
essure cleaner (car
e cleaner (car e)
e)........................ 374
Hill St
Hill Star
art Assist
t Assist............................................ 236
HOLD function
HOLD function Function/no tes...................................... 235
Switching on/o..................................... 235 Home scr
Home scr
een (media displa
een (media displa y)
y)
Overview................................................ 316 I
I
i-Size c
i-Size c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 66
Seats suitable for attaching...................... 66
Identi/cation
Identi/cation plate
plate
Engine................................................... 423
Ve hicle.................................................. 423
Ignition key
Ignition key
see Key
Immobiliser
Immobiliser .................................................. 105
Im
Im plied w
plied w arr
arranty
anty
Ve hicle..................................................... 38
Im
Im port
port er addr
er addr esses
esses
Wi reless components...............................33
In-Car
In-Car O1ce
O1ce
Fe atures................................................ 346
Indicat
Indicat or lamp
or lamp
see Warning/indicator lamp
Individual dr
Individual dr iv
iv e pr
e pr ogr
ogram
am
Con/guring............................................ 207 Index
535
535

Selecting............................................... 207
Inspection
Inspection see ASS YST PLUS
Ins
Instr trument clust
ument clust er
er
Fu nction/no tes.............................. 308, 309
Ins
Ins tr
trument display
ument display
Fu nction/no tes...................................... 309
Instrument clus ter.................................... 10
Overview of displa ys............................... 312
Wa rning/indicator lamps........................ 504
Ins
Instr trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er
Fu nction/no tes...................................... 308
Int
Int ellig
ellig ent Light Syst
ent Light Syst em
em
Ac tivating/deactivating.......................... 165
Ac tive headlamps................................... 163
Ad aptive Highbeam Assist Plu s............... 165
Cornering light....................................... 163
Fo g light (enhanced).............................. 164
Mo torw ay mode.................................... .164
Overview................................................ 163
Int
Int er
erior lighting
ior lighting
Ad justing............................................... 167
Ambient lighting.................................... .167 Re
ading lamp......................................... 167
Switch-o. delay time.............................. 168
Int
Int er
erior pr ot
ior pr otection
ection
Fu nction................................................ 107
Priming/deactivating............................. 107
Int
Int er
erne
ne t r
t radio
adio
see TuneIn
Ionisation
Ionisation Activating/deactivating (MBUX multi-
media system)....................................... 182
iPhone
iPhone ®
®
see Smartphone integ ration
ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Seats suitable for attaching...................... 64
ISOFIX c
ISOFIX c hild seat secur
hild seat secur ing syst
ing syst em
em
Fi tting...................................................... 66 J
J
Jack
Jack Declaration of conformity......................... 34
Storage location.................................... .408
Jum Jum p-st
p-st ar
art connection
t connection
General no tes....................................... .389 K
K
K
K e
ey
y
Ac oustic locking veri/cation signal.......... .82
Battery..................................................... 83
Deacti vating a function............................ 82
Emer gency key......................................... 83
Energy consum ption................................ 82
Fu nction overview.................................... 81
Ke yring attachment................................. 83
Problem................................................... 84
Unlocking setting..................................... 82
KEYLESS-GO
KEYLESS-GO
Deactivating a function............................ 82
Locking/unlocking theve hicle................. 86
Problem................................................... 86
Unlocking setting.................................... .82
Kic Kic kdo kdo wn
wn
Using..................................................... 212
Knee airbag
Knee airbag.................................................... 48 L L
Lamp Lamp see Interior lighting 536
536
Ind
ex

St
arting................................................ .319
Liv
Liv e
eTr
Tra1c
a1c Inf
Infor
ormation
mation
Switching the tra1c information dis-
play on................................................... 334
Load com
Load com par
partment cov
tment cov er
er
Extending/ retracting.............................. 144
No tes..................................................... 144
Re moving//tting.................................... 145
Load com
Load com par
partment
tment 0oor
0oor
Locking/unlocking................................. 148
Load pr ot
Load pr otection net
ection net
At tach ing............................................... 146
Loading
Loading
Bag hook............................................... 148
Coat hook.............................................. 148
No tes..................................................... 135
Ro of luggage rack .................................. 149
Ti e-down eyes........................................ 147
Loading guidelines Loading guidelines.......................................1 35
Loads
Loads Fixing..................................................... 135
Loc
Loc king/unloc
king/unloc king
king
Ad ditional door loc k................................. 84 Emer
gency key......................................... 88
KEYLESS-GO............................................ 86
Opening theta ilgate................................. 90
Switching the automatic locking fea-
ture on/o.............................................. .87
Unlo cking/opening the doors from
th e inside................................................. 85
Lo Lo w beam
w beam
Ac tivating/deactivating.......................... 160
Light adjustment (driving abroad)........... 160
Setting................................................... 166
LO
LO W RAN
W RAN GE
GE
ShiTing.................................................. 214
Low
Low er
ering t
ing t he v
he vehicle
ehicle
Re ar of theve hicle................................. 272
L
L ubr
ubr icant additiv
icant additiv es
es
see Additives
L
L ugg
ugg age
age
Securing................................................ 135
L
L umbar support
umbar support
see Lumbar support (4-w ay)
L
L umbar suppor
umbar suppor t (4-wa
t (4-way)
y)...............................1 12 M
M
MA
MA GIC VISION C
GIC VISION C ONTR
ONTROL
OL
Wi ndsc reen wiper s................................. 171
Maint
Maint enance
enance
see ASS YST PLUS
Malfunction Malfunction Restraint system..................................... .43
Manoeuvr Manoeuvr ing aid
ing aid
see Manoeuvring assistance
Manoeuvr
Manoeuvr ing Assist
ing Assist
see Trailer Manoeuv ring Assist
Manoeuvr
Manoeuvr ing assist
ing assistance
ance
Cross Tra1c Ale rt.................................. 296
Drive Away Assist................................... 295
Manoeuvr
Manoeuvr ing assist
ing assistant
ant
Ac tivating/deactivating.......................... 297
Map
Map Displaying online map contents.............. 334
Displaying weather informatio n.............. 334
Moving................................................... 333
Selecting the map orientation................ 333
Setting the map scale............................ 333 538 538
Index

R
R
O
O AD SURFA
AD SURFA CE SC
CE SCAN
AN
Multifunction camera............................. 276
RO
RO AD SURFA
AD SURFA CE SC
CE SCAN
AN
see Camera
R
R oll awa
oll awa y prot
y pr otection
ection
see HOLD function
R
R oller sunblind
oller sunblind
Side windo ws(electric).......................... 104
Sliding sun roof......................................... 99
R
R oof lining (car
oof lining (car e)
e)......................................... .378
R
R oof load
oof load.....................................................4 35
R
R oof load display
oof load display
Information............................................2 06
R
R oof lugg
oof lugg ag
age r
e r ack
ack
Loading.................................................. 149
Securing................................................ 149
R
R oute
oute
Calculating............................................. 332
Selecting options................................... 332
R
R out
out e guidance wit
e guidance wit h augment
h augmented r
ed reality
eality
Ac tivating............................................... 332
Displaying street names and house
numbers................................................ 332 R
R out out e-based speed ada pt
e-based speed adapt ation
ation
Fu nction................................................ 247
Setting.................................................. .248
R
R un-0at
un-0at c
char
har act
acter
eristics
istics
MOExtended tyres................................. 382
R
R unning boar
unning boar ds
ds
Care...................................................... 376
Extending/r etra cting................................ 90
Operation................................................ 89
R
R unning-in not unning-in not es
es.......................................... 193 S
S
Safe
Safe ty syst
ty syst ems
ems
see Driving saf ety sy stem
Sa fe
Safe ty v
ty vest
est.................................................. .380
Searc
Searc h light
h light
Switching on/o. (contactless). .............. 321
Seat
Seat 4-waylumbar suppor t............................ 112
adjusting (electrically)............................ 108
Ad justing a reclining rear seat................ 113
Ad justing the front passenger seat
from there ar......................................... 112 Au
tomatic adjustment........................... .123
Con/guring settings............................... 122
Cor rect driver's seat position................. 108
Fo lding back the backrest (rear)..... 115, 142
Fo lding back the backrest on theth ird
ro w of seats.......................................... .143
Fo lding the backrest (rear) forw ards
to get in (third row of seats).................. .115
Fo lding the backrest forw ards (rear)...... .140
Fo lding the backrest on theth ird row
of seats forw ards................................... 143
Massage prog ramme overvie w............... 124
Mechanically unlockingthe backrest
(rear)..................................................... 115
Operating the memory function.............. 131
Pa nel heating......................................... 126
Re ar (adjusting elect rically).................... 113
Re ar (seat comfort)................................ 113
Re setting the settings............................ 124
Setting options......................................... 14
Setting the fully reclined position.......... .114
Wo rkout prog ramme overvie w................ 124
Seat (r
Seat (r ear) ear)
Setting options......................................... 16 Index
545
545

T
T
ec
ec hnical data
hnical data
Axle load (trailer operation).................... 441
Component-speci/c information............ 422
Fa stening points (t railer hitch)................ 439
Information............................................4 20
Mounting dimensions (trailer hitch)........4 39
No tes (trailer hitch)................................ 438
Overhang dimension (trailer hitch)......... .439
Re gula tory radio identi/cation (Indo-
nesia).................................................... 422
Re gula tory radio identi/cation of
small component s.................................. 422
To ngue weight........................................ 440
To wing capacity (trailer operation ).......... 439
T
T elephone elephone
Connecting a mobile phone (Passke y).... 340
Connecting a mobile phone (Secure
Si mp lePa iring)....................................... 340
Fu nctions in thete lephone menu............ 340
No tes..................................................... 337
No tes on wireless charging (mobile
phone)................................................... 155
Operating modes................................... 339
Te lephone menu overview......................3 39Wi
reless charging (mobile phone in
th ere ar)................................................ 157
Wi reless charging (mobile phone)........... 157
T
T elephon elephon y oper
y operating modes
ating modes
Blu etoo th®
telephony............................. 339
Car telephon y........................................ 339
T
T em
em per
per ature
ature
Setting theve hicle interior temp era-
ture....................................................... 178
Themes
Themes Fastening.............................................. .323
Thir
Thir dro
d ro w of seats
w of seats
Fo lding back the backrest on theth ird
ro w of seats.......................................... .143
Fo lding the backrest on theth ird row
of seats forw ards................................... 143
Getting in/out........................................ 115
Thr
Thr ough-loading f
ough-loading f eature
eature
see Seat
see Third row of seats
T T ie-do
ie-do wney
wn eyes
es.............................................. 147
TIREFIT kit
TIREFIT kit Declaration of conformity......................... 34 St
orage location.................................... .383
Using..................................................... 384
T
T o switc
o switc h on t
h on t he ignition
he ignition
see Vehicle
T
T oll syst
oll syst em
em
Wi ndsc reen............................................ 176
T
T ongue w
ongue w eight
eight.............................................. 440
T
T ool
ool
see Vehicle tool kit
T
T op Tet
op Tether
her...................................................... 70
T
T opping up
opping up
Topping up AdBlue ®
.............................. .220
T
T ouc
ouc h Contr
h Contr ol
ol
On-board computer................................ 310
Operating.............................................. 317
T
T ouc
ouc hpad
hpad
Operating.............................................. 317
T T ouc ouc hscr
hscr een
een
Operating.............................................. 317
Tow
Tow -awa
-a wa y pr ot
y pr otection
ection
Fu nction................................................ 106
Priming/deactivating............................. 107 Ind
ex
549
549