2021 MERCEDES-BENZ GLS SUV keyless

Indicator lamp
10ashes when theATA system is
primed.
The ATA system is deacti vated automatically in the
fo llowing situations:
R aTer unlocking theve hicle with thekey
R aTer unlocking theve hicle using KEYLESS-GO R
aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 192)
% When the Mercedes‑Benz emer gency call sys-
te m is active and the alarm st ays on for more
th an 30 seconds, a message is automatically
sent tothe Customer Assistance Centre
(/ page 351).
Deactiv Deactiv ating t ating theATA
he ATA #
Press theÜ, ßorp button on the
key.
or #
Press the start/s top button with theke y in the
st ow age compartment (/ page 192)
Deactiv
Deactiv ating t
ating the alar
he alar m using KEYLESS-GO
m using KEYLESS-GO #
Grasp the outside door handle with thekey
outside theve hicle. F
F
unction of tow
unction of tow-awa
-a wa y pr ot
y pr otection
ection An audible and visual alarm is triggered if an alter-
ation
toyour vehicle's angle of inclination is
de tected while tow- awa y protection is primed. To
w- awa y protection is automatically primed aTer
appr oximately 60 seconds:
R aTer locking theve hicle with thekey
R aTer locking theve hicle using KEYLESS-GO
To w- awa y protection is only primed when thefo l-
lowing components are closed:
R doors
R tailgate
To w- awa y protection is automatically deactivated:
R aTer pressing theÜ orp button on the
key
R aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 192)
R aTer unlocking theve hicle using KEYLESS-GO
R when using HANDS-FREE ACCESS
Information on collision de tection on a par ked
ve hicle (/ page 228). 106 106
Opening and closing

Pr
Pr
iming/deactiv
iming/deactiv atingtow
ating tow-awa
-a wa y pr ot
y pr otection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Tow-away protection.
To w- awa y protection is primed again in thefo llo w-
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle submenu in theSettings main menu to
prime or deactivate tow- awa y protection. F
F
unction of int
unction of int er
erior pr ot
ior pr otection
ection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tected
in theve hicle interior.
Interior pr otection is primed automatically aTer
appr oximately ten seconds:
R aTer locking theve hicle with thekey
R aTer locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo llo w-
ing components are closed:
R doors
R tailgate
Interior pr otection is automatically deactivated:
R aTer pressing theÜ orp button on the
key
R aTer pressing the start/s top button with the
ke y in the st owage compartment
(/ page 192)
R aTer unlocking theve hicle using KEYLESS-GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse alarm:
R when there are moving objects such as mas-
cots in theve hicle interior
R when a side wind owis open
R when a sliding sunroof is open
R when a panoramic sliding sunroof is open Pr
Pr
iming/deactiv
iming/deactiv ating int
ating int er
erior prot
ior prot ection
ection Multimedia system:
4 © 5
Settings 5
Quick access #
Prime or deactivate Interior motion sensor.
Interior pr otection is primed again in thefo llowing
cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select theVehi-
cle menu under Settingstoprime or deacti-
va te interior pr otection. Opening and closing
107 107

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

T
T
yr
yr e pr
e pr essure
essure
Checking (tyre pressure monitoring
sy stem).................................................. 403
No tes..................................................... 401
Re starting the tyre pressure monitor-
ing system............................................. 404
TIREFIT kit..............................................3 84
Ty re pressure monitoring system
(function)............................................... 403
Ty re pressure table................................ .402
T
T yr yr e pr
e pr essur
essur e monit
e monit or
oring syst
ing syst em
em
Checking the tyre pressures................... 403
Checking the tyre temp eratur e............... 403
Fu nction................................................ 403
Re starting.............................................. 404
T
T yr
yr e pr
e pr essur
essur e t
e table
able ...................................... .402
T
T yr
yr e t
e t em
em per
per ature
ature
Checking (tyre pressure monitoring
system)..................................................4 03
Ty re pressure monitoring system
(function)............................................... 403
T
T yr yr e tr
e tr ead
ead.................................................... 400
T
T yr
yr e-c
e-c hang
hang e t
e tool kit
ool kit
Overview................................................ 408 T
T
yr
yr es
es
Checking............................................... 400
Checking the tyre pressure (tyre pres-
sure monitoring system)......................... 403
Fi tting.................................................... 413
Flat tyre................................................. 382
Inter changing......................................... 407
MOExtended tyres................................. 382
Noise..................................................... 400
No tes on /tting...................................... 404
Re moving............................................... 412
Re placing...................................... .404, 409
Re placing the wheel trim........................ 409
Re starting the tyre pressure monitor-
ing system............................................. 404
Selection...............................................4 04
Snow chains.......................................... 400
St oring................................................... 408
TIREFIT kit.............................................. 384
Ty re pressure (No tes)............................. 401
Ty re pressure monitoring system
(function)............................................... 403
Ty re pressure table................................ .402
Unusual handling characteristics............ 400 U U
U
Unloc nloc king
king
see Locking/unlocking
U
Updat pdat es
es
Impor tant system updates...................... 324
USB port USB port Front st owage compartmen t.................. 138
Re ar....................................................... 154 V V
V
V ehicle
ehicle
Activating/deactivating standby mode... 229
Ad ditional door loc k................................. 84
Cor rect use............................................. .37
Data acquisition....................................... 38
Data storag e............................................ 38
Diagnostics connection............................ 35
Equipment............................................... 24
Implied warrant y...................................... 38
Locking (automatically)............................ 87
Locking/unlocking (emer gency key)........ .88
Locking/unlocking (from inside)............... 85
Locking/unlocking (KEYLESS-GO)............ 86
Lo we ring................................................ 414 Ind
ex
551 551