2021 MERCEDES-BENZ GLS SUV cruise control

Syst
Syst
em limits
em limits
The system may be impaired or may not function
pa rticular lyin thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsu1cient
illumination of thero ad, highly variable shade
conditions, rain, sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming tra1c,
direct sunlight or re0ections.
R Ifth e windscreen in the area of the multifunc-
tion camera is dirty, or if the camera is misted
up, damaged or co vered.
R Ifth e tra1c signs are hard todetect, e.g. due
to dirt, snow or insu1cient lighting, or
because they are co vered.
R Ifth e information in the navigation system's
digital map is incor rect or out-of-date.
R If signs are ambiguous, e.g. road signs in road-
wo rks or in adjacent lanes.
R Ifyo u turn sharply when passing tra1c signs
outside the camera's /eld of vision. Se
Se tting tting Tr
Tra1c
a1c Sign Assist
Sign Assist
R
R eq
eq uir
uir ements:
ements:
R Onl
Only v
y vehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e:
Ac tive Distance Assist DISTRONIC and ECO
Assist must be acti vatedfo rth e automatic
adoption of speed limits.
Multimedia system: 4 © 5
Settings 5
Assistance
5 Traffic Sign Assist
A
A ctiv
ctiv ating or deactiv
ating or deactiv ating aut
ating automatic adop
omatic adop tion of
tion of
speed limits (onl
speed limits (onl y v
y vehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance
ance
P
P ack
ack ag
age)
e) #
Select Adopt limit. #
Switch the function on or o..
The speed limits de tected byTra1c Sign
Assist are automatically adop tedby Active
Distance Assist DISTRONIC.
% If one of thefo llowing systems is activated,
th e de tected speed can be manually adop ted
as the speed limit:
R Active Distance Assist DISTRONIC
R Cruise control R
Variable limi ter
Fu rther information about Active Distance
Assist DISTRONIC: (/ page 244).
Displa
Displa ying det
ying det ect
ected
edtr
tr a1c
a1c signs in t
signs in t he media dis-
he media dis-
play
play #
Select Display in head unit . #
Switch the function on or o..
Se
Se tting t
tting t he type of w
he type of w ar
arning
ning #
Select Visual & audible ,Visual orOff.
Se Se tting t tting t he w
he war
arning t
ning t hr
hreshold
eshold
This value de term ines the speed at which a warn-
ing is issued when exceeded. #
Select Warning threshold. #
Set the desired speed. Blind Spo
Blind Spo
t Assis
t Assist and At and A ctiv
ctive Blind Spo
e Blind Spo t Assis
t Assist witht with
e
e xit w
xit w ar
arning
ning F
F
unction of Blind Spo
unction of Blind Spo t Assis
t Assist and At and A ctiv
ctive Blind
e Blind
Spo
Spo t Assis
t Assist wit t with e
h exit w
xit w ar
arning
ning
Blind Spot Assist and Active Blind Spot Assist use
two lateral, rear-facing radar sensors tomonitor Driving and parking
261
261

Ov
Ov
er
ervie
vie w of ins
w of ins tr
trument display
ument display 1
Display content on leT (e xample: speedome-
te r): speedome ter / time / date / trip com-
puter From start andFrom reset /range /
audio / angle of incline and app roach/depar-
ture
The segments on the speedome ter indicate
th e statuses of thefo llowing systems: cruise control/limiter/Active Distance Assist
DISTRONIC
2 Outside temp erature
3 Digital speedome ter
4 Time
5 Display content on right (e xample:tach ome-
te r): tach ome ter / average fuel consump-
tion / ECO display / navigation / G-me ter / assistant display / 4MATIC / suspension /
po
we r me ter / po werav ailability displ ayof
th e electric mo tor (equipment-dependent)
The fuel supply will be inter rupted toprotect
th e engine when there d mark on therev
counter (o verrev ving range) is reached.
6 Index points Instrument displ
ayand on-board computer
309 309

These sh
owthe selected display or menu con-
te nt.
7 Coolant temp erature display
During normal operation, the coolant temp er-
ature display is permitted torise to120°C.
Ve hicles with 48 V on-board elect rical system:
POWER and CHARGE display (electrical drive
support and recuperation po wer of the elec-
tric mo tor)
8 Selected drive prog ram
9 Selected transmission position
A Centre display area of the inst rument display
(e xamp le: standard display for trip): Assis-
ta nce / Telephone / Navigation / Trip /
Media / Radio / Styles and displa ys /
Service / Powe r me ter (equipment-depend-
ent)
B Fuel le vel, fuel /ller 0ap location indicator,
ra nge Ov
Ov
er
ervie
vie w of t
w of t he butt
he butt ons on t
ons on t he st
he steer
eering wheel
ing wheel 1
P Back/Home button, on-board computer
Press and hold: sh ows standard display
2 Touch Control, on-board computer
3 Control panel for cruise control/limiter or
Ac tive Distance Assist DISTRONIC
4 Control panel for MBUX multimedia system:
£ LINGU ATRO NIC ß
Displa ysfavo urites
VO L: control knob, adjusts thevo lume or
switches the sound o. 8(press)
6 Makes/accepts a call
~ Rejects/ends a call
5 ò Calls up the home screen
6 Touch Control multimedia system
7 G Back button
8 Brightness control toadjust the lighting in the
Instrument Displ ayand in the control ele-
ments of theve hicle interior Oper
Oper
ating t
ating t he on-boar
he on-boar d com
d comput
puter
er
Obser vethe legal requ irements forth e country in
which you are cur rently driving when ope rating
th e on-board computer. 310
310
Instrument display and on-board computer

R
Navigation #
Onthe cor responding menu, use the leT-hand
To uch Control toscroll tothe end of the list. #
Press the leT-hand Touch Control.
The selected menu will be displa yed full-
screen. Ov
Ov
er
ervie
vie w of display
w of display s in t
s in the ins
he ins tr
trument display
ument display
Displa yson the inst rument displa y:
u Active Parking Assist (/ page 293)
é Parking Assist PARKTRONIC deactivated
(/ page 290)
î DSR (/ page 249)
h Cruise control (/ page 238)
È Limiter (/ page 239)
ç Active Distance Assist DISTRONIC
(/ page 241)
æ Active Brake Assist (/ page 253)
à Active Steering Assist (/ page 251)
¬ Active Stop-and-Go Assist (/ page 249)Ã
Active Lane Keeping Assist (/ page 264)
è ECO start/s top function (/ page 201)
ë HOLD function (/ page 235)
_ Adaptive Highbeam Assist Plus
(/ page 165)
ð Maximum permissible speed exceeded (for
cer tain countries only)
V
V ehicles wit
ehicles wit h Speed Limit Assist:
h Speed Limit Assist: detected
instructions and tra1c signs (/ page 258).
V
V ehicles wit
ehicles wit h
hTr
Tra1c
a1c Sign Assist:
Sign Assist: detected instruc-
tions and tra1c signs (/ page 259).
Fo r an overview of the indicator and warning
lamps, see (/ page 504). Head-up display
Head-up display
F
F
unction of t
unction of t he head-up display
he head-up display *
N
NO OTE
TE Mercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The head-up display projects
thefo llowing infor-
mation into the driver's /eld of vision abo vethe
cockpit, forex ample:
R The vehicle speed
R Information from the navigation system
R Information from the driving systems and driv-
ing saf ety sy stems
R Some warning messages
Depending on theve hicle's equipment, di.erent
content can be shown in theth re e areas of the
head-up displ ay (/page 313). 312
312
Inst
rument display and on-board computer

Displa
Displa
y cont
y content
ent 1
Navigation instructions
2 Current speed
3 Detected instructions and tra1c signs
4 Set speed in the driving system (e.g. cruise
control)
Syst
Syst em limits
em limits
The visibility of the displa yswill be a.ected bythe
fo llowing conditions:
R Seat position
R Image position setting
R Light conditions R
Wetro ad sur face
R Objects on the display co ver
R Polarisation in sunglasses
% Inextreme sunlight, sections of the display
may appear washed out. You can cor rect this
by switching the head-up display o. and on
again. Se
Se
tting t
tting t he head-up displa
he head-up displa y using t
y using the on-board
he on-board
com
com put
puter
er On-board computer:
4 HEAD-UP DISPLAY
The following head-up display settings or displa ys
can be selected or shown:
R Position
R Brightness
R Messages
R Assis tance status
R Telephone
R Audio
R LINGU ATRO NIC #
T
To select t
o select t he Se
he Settings menu:
ttings menu: swipetotheright
on the leT-hand Touch Control.
The Settings menu 5will be selected. #
T
To call up t
o call up t he Se
he Settings menu:
ttings menu: pressthe leT-
hand Touch Control. #
T
To adjus
o adjust t t the position:
he position: swipe upwards or
down wards on the leT-hand Touch Control. #
T To adjus o adjust t t the br
he br ightness:
ightness: swipetothe leT or
ri ght on the leT-hand Touch Control.
Se
Se tting messag
tting messag es, assist
es, assistance st
ance status, t
atus, telephone,
elephone,
audio and LIN
audio and LIN GUA
GUATR
TRONIC
ONIC #
Press the leT-hand Touch Control.
The list of setting options will be displa yed. #
Swipe upwards or down wards on the leT-hand
To uch Control and select a setting bypressing
th e leT-hand Touch Control. Instrument display and on-board computer
313
313

Selecting what t
Selecting what t
he head-up displa
he head-up displa y shows
y sho ws (Example)
1
Switching the head-up display on/o.
2 LeT display area
Navigation system
Inclination, gradient and compass
Av erage consum ption
G-me ter
3 Central display area
Speedome ter
Set speed in the driver assistance system,
e.g. cruise control Wa
rnings from driver assistance systems, e.g.
distance warning
4 Right display area
Tra1c Sign Assist
Ve hicle le vel
Di.erential
Dist ribution of the drive torque s, 4MATIC
(/ page 215)
Assis tant display
5 Toadjust the position, brightness and lo wer
display area
6 Index points
7 Lowe r display area (e xample: leT display area)
Display areas 2to4 that are not requ ired can
be hidden.
% In audio mode, the station name or track will
be shown temp orarily when the audio source
is being actively operated. In addition, the lat-
est calls will be displa yed when thete lephone
list on the inst rument display is actively oper-
ated. #
Swipe upwards on the leT-hand Touch Con-
trol. #
Press the leT-hand Touch Control. Switc Switc
hing t
hing t he head-up displa
he head-up displa y
yon/o.
on/o. via t
via the mul-
he mul-
timedia syst
timedia syst em
em Multimedia system:
4 © 5
Settings 5
Quick access #
Select HUD.
The head-up-display is activated. 314
314
Instrument display and on-board computer

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
- - - km/h *C
ruise control cannot be activated as not all activation conditions are ful/lled. #
Obser vethe activation conditions for cruise control (/ page 239).
Cruise control inoperative *Cruise control is malfunctioning. #
Consult a quali/ed specialist workshop.
Cruise control and Limiter
inoperative *C
ruise control and the limiter are malfunctioning. #
Consult a quali/ed specialist workshop.
Cruise control off *Cruise control has been deactivated.
If th ere is an additional warning tone, cruise cont rol has been deactivated automatically (/ page 238).
È
- - -km/h *T
he limi ter can temp orarily not be engaged. Once the cause of the problem is no longer present, the system will be
av ailable again.
Limiter passive *Ifyo u depress the accelerator pedal be yond the pressure point (kickdown), the limiter is switched topassive mode
(/ page 239).
Limiter inoperative *The limi ter is malfunctioning. #
Consult a quali/ed specialist workshop. 472 472
Displ
aymessages and warning/indicator lamps

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