2019 MERCEDES-BENZ GLS SUV cruise control

shade conditions, or due
torain, sno w,fog or
heavy spr ay.
R The multifunction camera is af fected by
gl are, e.g. from oncoming traf fic, di rect sun‐
light or reflections.
R The windscreen is dirty in the area of the
multifunction camera, or the camera is mis‐
te d up, damaged or co vered.
R Ifth e traf fic signs are ha rdtodetect, e.g. due
to dirt or sno w,or because they are co vered,
or due toinsuf ficient lighting.
R Ifyo u turn sharpl y,yo u may pass traf fic signs
th at are outside the camera's field of vision.
Setting Speed Limit Assist
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Speed Limit Assist
Ad justing the type of warning #
Select Visual & audible ,Visual orNone.
Ad justing the warning threshold
This value de term ines the speed at which a
wa rning is issued when exceeded. #
Select Warning threshold. #
Set the desired speed.
% If one of thefo llowing sy stems is activated,
th e speed de tected can be manually adop ted
as the speed limit:
R Active Dis tance Assi stDISTRONIC
R Cruise control
R Variable limiter
Fu rther information (/ page249). Tr
af fic Sign Assist Fu
nction of Traf fic Sign Assist Tr
af fic Sign Assi stdetects traf fic signs wi thmul‐
tifunction camera 1and assi stsyo uby display‐
ing de tected speed limits and overtaking restric‐
tions in the instrument clus ter,in the head unit
and head-up displa y.Ifth e sy stem de tects that
yo u are driving on toa section of road in the Driving and pa
rking 303

The
warning occurs if appropriate traf fic signs or
ro ad markings are de tected and pedestrians are
present in the danger zone.
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, high lyvariable
shade conditions, or due torain, sno w,fog or
heavy spr ay.
R The multifunction camera is af fected by
gl are, e.g. from oncoming traf fic, di rect sun‐
light or reflections. R
The windscreen is dirty in the area of the
multifunction camera, or the camera is mis‐
te d up, damaged or co vered.
R Ifth e traf fic signs are ha rdtodetect, e.g. due
to dirt or sno w,or because they are co vered,
or due toinsuf ficient lighting.
R Ifth e information in the navigation sy stem's
digital map is incor rect or out-of-da te.
R The signs are ambiguous, e.g. traf fic signs on
construction sites or in adjacent lanes.
R Ifyo u turn sharpl y,yo u may pass traf fic signs
th at are outside the camera's field of vision.
Setting Traf fic Sign Assist
Re quirements:
R For automatic ado ption of speed limits:
Ac tive Dis tance Assi stDISTRONIC is acti va‐
te d. Multimedia sy
stem:
4 © 5
Settings 5
Assistance
5 Traffic Sign Assist
Ac tivating/deactivating automatic adoption
of speed limits #
Select Adopt limit . #
Activate or deacti vate the function.
The speed limits de tected byTraf fic Sign
Assi stare automatically adop tedby Active
Dis tance Assi stDISTRONIC.
% If one of thefo llowing sy stems is activated,
th e speed de tected can be manually adop ted
as the speed limit:
R Active Dis tance Assi stDISTRONIC
R Cruise control
R Variable limiter:
Fu rther information (/ page249).
Dis playing de tected traf fic signs in the
medi a display #
Select Display in head unit. #
Activate or deacti vate the function. Driving and parking
305

Instrument display
overview &
WARNING Risk of accident due toan
instrument display malfunction
If th e Instrument Display has failed or mal‐
functioned, you may not recognise function
re strictions applying tosaf etyre leva nt sys‐
te ms.
The operating saf ety of your vehicle may be
impaired. #
Drive on carefull y. #
Have theve hicle checked immediately
at a qualified specialist workshop. If
th e operating saf ety of your vehicle is
impaired, park theve hicle safely as soon as pos‐
sible. Contact a qualified specialist workshop. Instrument display in
the widescreen cockpit 1
Speedome ter (e xamp le)
2 Multifunction display
3 Rev counter (e xample)
4 Coolant temp erature display
5 Fuel le vel and fuel filler flap location indica‐
tor
% In addition tothe multifunction display 2,
fur ther conte nt can be shown on displ ays1
and 3(/ page 322).
The segments on the speedome ter1 indica te
th e sy stem status forth efo llowing:
R Cruise control(/ page241) R
Limi ter (/ page242)
R Active Dis tance Assi st
DISTRONIC( /page 247)
* NO
TEEngine dama gedue toexc essively
high engine speeds The engine will be damaged if
you drive with
th e engine in theov errevving range. #
Do not drive wi th the engine in theove r‐
re vving range. The fuel supply will be inter
rupted toprotect the
engine when there d mark on there v counter
(o ve rrev ving range) is reached.
During no rmal operating conditions, the coolant
te mp erature display may rise to120 °C. &
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. In
stru ment Display and on-board computer 319

#
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. Ve
hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology) 1
POWER sho wsthe electric drive support
2 CHARGE sho wsthere cuperation po wer of
th e electric mo tor
õ shows th e drive sy stem's operational read‐
iness . Overview of
the but tons on thest eering
wheel 1
¤ Back button, on-board computer
Press and hold: sho wsstandard display
2 Touch Control, on-board co mputer
3 Control panel for cruise control/limiter or
Ac tive Dis tance Assi stDISTRONIC
4 Control panel for MBUX multimedia sy stem:
£ LINGU ATRO NIC
ß Displa ysfavo urites
VO L: control knob, adjusts thevo lume or
switches the sound off 8(press)
6 Makes/accepts a call ~
Rejects/ends a call
5 ò Calls up the home screen
6 Touch Control multimedia sy stem
7 % Back button (press and hold) Operating
the on-boa rdcompu ter &
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. 320
Instrument Display and on-board computer

Overview of displa
yson the multifunction
display 1
Outside temp erature
2 Time
3 Digital speedome ter
4 Displ aysection
5 Drive program
6 Transmission position Fu
rther displa yson the multifunction display:
Z Gearshift
recommendation (/ page 208)
u Active Parking Assist activated
(/ page 295)
é Parking Assist PARKTRONIC deacti vated
( / page 283)
¯ Cruise control (/
page241)
È Limi
ter (/ page242)
ç Active Dis tance Assi stDISTRONIC
(/ page 247)
æ Ac
tive Brake Assi st (/ page 241)
à Active Steering Assist (/ page 253)
ê Active Lane Keeping Assist (/ page 309)
± Active Lane Change Assi st (/ page 255)
è ECO
start/ stop function (/ page198)
ë HOLD fu
nction (/ page 260)
_ Ad
aptive Highbeam Assist Plus
(/ page 162)
ð Ma
ximum pe rmissible speed exceeded
(for cer tain countries only) Ve
hicles with Speed Limit Assis t:de tected
instructions and traf fic signs (/ page 301).
Ve hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (/ page 303).
Fo r an overview of thewa rning and indicator
lamps, see (/ page 665). Ad
justing the in stru ment lighting 324
Instrument Displ ayand on-board computer

#
Swipe up wards or down wards on the left-
hand Touch Control and select 6(Accept)
or ~ (Reject). #
Press the left-hand Touch Control.
Yo u may accept/ reject the call using the6
or ~ button on thesteering wheel. Setting
the head-up display using the on-
board compu ter On-board computer:
4 HEAD-UP DISPLAY
The following head-up display settings can be
selec ted:
R Position
R Brightness
R Displa ys #
Toselect a setting: swipe upwards or down‐
wa rds on the left-hand Touch Control. #
Press the left-hand Touch Control. #
Toadjust the position: swipe upwards or
down wards on the left-hand Touch Control. #
Toadjust the brightness: swipetothe left
or right on the left-hand Touch Control. #
Press the left-hand Touch Control.
Selecting what the head-up display sho ws (Example)
1
Toswitch the head-up display on/off
2 Left display area
Navigation sy stem
Inclination, gradient and compass
Av erage consum ption
G-me ter
3 Central displ ayarea Set speed in
the driver assis tance sy stem
(e.g. cruise control)
Wa rnings from driver assis tance sy stems
(e.g. dis tance warning)
4 Right display area
Traf fic Sign Assi st
Ve hicle le vel
Dif fere ntial
Assi stant display
5 Toadjust the position, brightness and lo wer
display area
6 Index points
7 Lowe r display area
Non-required display areas 2to4 can be hid‐
den.
% In audio mode, thest ation name or track will
be shown temp orarily when the audio source
is being actively operated. #
Toselect a displa y:swipe upwards on the
left-hand Touch Control. #
Press the left-hand Touch Control. In
stru ment Display and on-board computer 331

Head-up Display
Fu
nction of the head-up display The head-up display projects information from
th e navigation sy stem, the driver assis tance sys‐
te ms and some warning messages abo vethe
cockpit into the driver's field of vision.
Display elements 1
Navigation messa ges
2 Current speed
3 Detected instructions and traf fic signs
4 Set speed in the driver assis tance sy stem
(e.g. cruise control) When
youre cei vea call, the6 Incoming call
message will appear on the head-up displa y.
Sy stem limits
The visibility is influenced bythefo llowing condi‐
tions:
R seat position
R the positioning of the display image
R light conditions
R wetro ad sur faces
R objects on the display co ver
R polarisation in sunglasses
% Inextreme sunlight, sections of the display
may appear washed out. You can co rrect this
by switching the head-up display off and on
again. To
switch the head-up display on/off Multimedia sy
stem:
4 © 5
Settings 5
Quick access #
Select HUD.
The head-up-display is activated. 332
Instrument Display and on-board computer

Display messages
Possible causes/consequences and M
MSolutions
ç Off *A
ctive Dis tance Assi stDISTRONIC was deactivated. If a warning tone also sounds, theAc tive Dis tance Assi st
DISTRONIC has deacti vated automatically (/ page249).
¯
- - - km/h *C
ruise control cannot be activated as not all activation conditions are fulfilled. #
Obser vethe activation conditions for cruise control (/ page243).
Cruise control inoperative *C
ruise control is malfunctioning. #
Consult a qualified specialist workshop.
Cruise control and Limiter
inoperative *C
ruise control and the limiter are malfunctioning. #
Consult a qualified specialist workshop.
Cruise control off *C
ruise control has been deactivated.
If th ere is an additional warning tone, cruise control has been deacti vated automatically (/ page241).
È
- - -km/h *T
he limiter cannot be activated as not all activation conditions ha vebeen fulfilled. #
Obser vethe activation conditions of the limiter (/ page243). Displ
aymessa ges and warning/indicator lamps 635