2020 MERCEDES-BENZ GLS SUV Owners Manual

Display in
the Instrument Display
% The illustrations show the Instrument Display
in the widescreen cockpit. 1
Perm issible speed
2 Perm issible speed when there is a restriction
3 Additional sign with restriction
If Speed Limit Assi stcannot de term ine the cur‐
re nt maximum pe rmissible speed (e.g. due to
missing signs), thefo llowing display appears in
th e Instrument Display: This is displa
yed continuously if theve hicle is in
a country where Speed Limit Assist is not sup‐
por ted. Speed Limit Assist is not available in all
countries.
Sy stem limits
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, if there are
highly variable shade conditions or in rain,
sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming traf fic,
di re ct sunlight or reflections.
R Ifth e windscreen in the area of the multi‐
function camera is dirty, or if the camera is
mis ted up, damaged or co vered.
R Ifth e tra ffic signs are hard todetect, e.g. due
to dirt or sno w,because they are co vered, or
due toinsuf ficient lighting. R
Ifyo u turn sharply when passing traf fic signs
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 (/ page 239).254
Driving and parking

Tr
af fic Sign Assist Fu
nction of Traf fic Sign Assist
Tr af fic Sign Assi stdetects traf fic signs wi th the
multifunction camera (/ page 224). It assists
yo uby displaying de tected speed limits and
ove rtaking restrictions in the instrument clus ter.
Obser vethe no tes on driving sy stems and your
re sponsibility; you may otherwise failto recog‐
nise dangers (/ page 224).
Since Traf fic Sign Assi stalso uses the data
st ored in the navigation sy stem, it can update
th e display in thefo llowing situations without
de tecting traf fic signs.
If th e sy stem de tects that you are driving on to a
section of road in the wrong direction of tr avel, it
triggers a warning.
The camera also de tects traf fic signs wi th a
re striction indicated byan additional sign (e.g.
when wet). These are only displa yed if a restric‐
tion applies or if the sy stem cann otclearly de ter‐
mine whe ther there striction applies. Wa
rning when the maximum permissible
speed is exceeded
The sy stem can warnyou if you unin tentionally
exc eed the maximum permissible speed. Todo
th is, you can specify in the multimedia sy stem
by how much the maximum permissible speed
can be exceeded before a warning is issued. Yo u
can specify whe ther thewa rning is tobe just a
visual warning or an acoustic one as well. Display in
the Instrument Display In
stru ment Display in the widescreen cockpit
1 Maximum permissible speed
2 Maximum permissible speed when there is a
re striction
3 Additional sign with restriction
% Ve
hicles with a standard Instrument Dis‐
pla y:a+ symbol next toa traf fic sign in the
Instrument Display indicates that additional
traf fic signs ha vebeen de tected. These can
also be displ ayed in the media display and
optionally in the head-up displa y. Driving and pa
rking 255

If
Traf fic Sign Assi stcannot de term ine the maxi‐
mum permissible speed (e.g. due tomissing
signs), thefo llowing display appears in the
Instrument Display: This is display
ed continuously if theve hicle is in
a country where Traf fic Sign Assi stis not sup‐
por ted. Traf fic Sign Assi stis not available in all
countries.
% Also obse rveth e information on display mes‐
sages in Traf fic Sign Assi st (/ page 433).
Wa rning when app roaching pedestrian cross‐
ings (vehicles with Driving AssistancePack‐
age)
The sy stem can warnyou if you approach a
pedestrian crossing with your vehicle. The ¯
Watch for pedestrians message appearsinthe
instrument clus ter.
The warning occurs only if appropriate traf fic
signs or lane markings are de tected and pedes‐
trians are present in the danger zone. Sy
stem limits
The sy stem may be impaired or may not function
particular lyin thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, if there are
highly variable shade conditions or in rain,
sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming traf fic,
di re ct sunlight or reflections.
R Ifth e windscreen in the area of the multi‐
function camera is dirty, or if the camera is
mis ted up, damaged or co vered.
R Ifth e tra ffic signs are hard todetect, e.g. due
to dirt or sno w,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 Ifth e signs are ambiguous, e.g. tra ffic signs
on con stru ction sites or in adjacent lanes.
R Ifyo u turn sharply when passing traf fic signs
outside the camera's field of vision. Setting
Traf fic Sign Assist
Requ irements:
R Only vehicles with Driving Assistance
Pa ckage:
Ac tive Dis tance Assi stDISTRONIC and ECO
Assi stmust be activated forth e automatic
adoption of speed limits.
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Traffic Sign Assist
Ac tivating or deactivating automatic adop‐
tion of speed limits (only vehicles with Driv‐
ing Assistance Package) #
Select Adopt limit. #
Switch the function on or off.
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 de tected speed can be manually adop ted
as the speed limit:
R Active Dis tance Assi stDISTRONIC 256
Driving and pa rking

R
Cruise cont rol
R Variable limiter
Fu rther information about Active Dis tance
Assi stDISTRONIC: (/ page 239).
Displaying de tected traf fic signs in the
media display #
Select Display in head unit .#
Swit chthe function on or off.
Setting the type of warning #
Select Visual & audible ,Visual orOff .
Setting thewa rning threshold
This value de term ines the speed at which a
wa rning is issued when exceeded. #
Select Warning threshold. #
Set the desired speed. Blind Spot Assist and
Active Blind Spot
Assi stwith exitwa rning Fu
nction of Blind Spot Assist and Active
Blind Spot Assi stwith exitwa rning
Blind Spot Assist and Active Blind Spot Assi st
use two lateral, rear-facing radar sensors to
monitor the area up to40 m behind and 3 m
next toyour vehicle.
If a vehicle is de tected at speeds ab ove appr ox‐
imately 12km/h and this vehicle subsequently
enters the monitoring range di rectly next to your
ve hicle, thewa rning lamp in the outside mir ror
lights up red.
Pe rm anent status display in the instrument clus‐
te r:
R ¸ (gre y): sy stem is activated but inopera‐
tive
R ¸ (green): sy stem is activated and opera‐
tional
If a vehicle is de tected close toyour vehicle and
yo u swit chon the turn signal indicator in the cor‐
re sponding direction, a double warning tone
sounds and there dwa rning lamp in the outside mir
rorflashes. If the turn signal indicator
re mains switched on, all other de tected vehicles
are indicated only bytheflashing of thered
wa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given. &
WARNING Risk of accident despi teBlind
Spot Assi st
Blind Spot Assi stdoes not react tovehicles
approaching and overtaking you at a greatly
di fferent speed.
Blind Spot Assist cann otwa rndrivers in this
situation. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. Obser
vethe no tes on driving sy stems and your
re sponsibility; you may otherwise failto recog‐
nise dangers (/ page 224).
Exit warning
The exitwa rning is an additional function of
Blind Spot Assist and can warnvehicle occu‐ Driving and parking
257

pants about approaching
vehicles when leaving
th eve hicle when stationar y. &
WARNING Risk of accident despi teexit
wa rning
The exitwa rning neither reacts tostationary
objects nor tovehicles approaching you at a
great lydif fering speed.
The exitwa rning cannot warndrivers in these
situations. #
Alw ays pay particular attention tothe
traf fic situation when opening the doors
and make sure there is suf ficient clear‐
ance. If
th ere is a vehicle in the monitoring range, this
is indicated in the outside mir ror.If a vehicle
occupant opens the door on the side with the
wa rning, a warning tone sounds and thewa rning
lamp in the outside mir rorst arts toflash.
This additional function is on lyavailable when
Blind Spot Assist is active. When theex itwa rn‐
ing is activated, it can warnvehicle occupants
fo r up tothre e minutes af ter switching the igni‐ tion off. The
exitwa rning is no longer available
once thewa rning lamp in the outside mir ror
fl ashes thre e times.
The exitwa rning is only an aid and not a substi‐
tute forth e attention of vehicle occupants. The
re sponsibility for opening and closing the doors
and for leaving theve hicle remains with theve hi‐
cle occupants.
Sy stem limits
Blind Spot Assist and Active Blind Spot Assi st
may be limi ted in thefo llowing situations, in par‐
ticular:
R ifth ere is dirt on the sensors or the sensors
are obscured
R in poor visibility, e.g. due tofog, heavy rain or
snow
R ifth ere are nar row vehicles, e.g. bicycles or
mo torbikes
R ifth ero ad has very wide or nar rowlanes
R ifve hicles are not driving in the middle of
th eir lane Wa
rnings may be issued in er ror when driving
close tocrash ba rriers or similar continuous lane
borders. Alw ays make sure that there is suf fi‐
cient di stance tothe side forot her traf fic or
obs tacles.
Wa rnings may be inter rupte d when driving along‐
side long vehicles, forex ample lor ries, for a pro‐
longed time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
Blind Spot Assist and theex itwa rning are not
operational when a trailer is coupled totheve hi‐
cle and the electrical connection has been cor‐
re ctly es tablished.
The exitwa rning may be limited in thefo llowing
situations:
R when the sensors are co veredby adjacent
ve hicles in nar row parking spaces
R when people approach theve hicle
R intheeve nt of stationary or slowly moving
objects 258
Driving and parking

Fu
nction of brake application (Active Blind
Spot Assist)
If Ac tive Blind Spot Assi stdetects a risk of a side
impact in the monitoring range, a cou rse-cor‐
re cting brake application is car ried out. This is
designed tohelp youavo id a collision.
The course-cor recting brake application is availa‐
ble in the speed range between appr oximately
30 km/h and 200 km/h. &
WARNING Risk of accident despi te
brake application of Active Blind Spot
Assi st
A cou rse-co rrecting brake application cann ot
alw ays pr event a collision. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Blind Spot
Assi stwa rnsyo u or makes a course-
co rrecting brake application. #
Alw ays maintain a safe dis tance at the
sides. If a course-cor
recting brake application occu rs,
th ere dwa rning lamp flashes in the outside mir‐
ro r and a warning tone sounds. In addition, a dis‐
pl ay 1 indicating the danger of a side collision
appears in the multifunction displa y.
In rare cases, the sy stem may make an inappro‐
priate brake application. This brake application
may be inter rupte d at any time if yousteer
slightly in the opposite direction or accelera te.
Sy stem limits
No tethe sy stem limitations of Active Blind Spot
Assi st;yo u may otherwise not recognise the
dangers (/ page 257). Either a course-cor
recting brake application
appropria teto the driving situation, or none at
all, may occur in thefo llowing situations:
R Vehicles or obs tacles, e.g. crash ba rriers, are
located on bo thsides of your vehicle.
R Ave hicle approaches too closely on the side.
R You ha veadop ted a sporty driving style with
high cornering speeds.
R You brake or accelerate significantl y.
R A driving sa fety sy stem inter venes, e.g. ESP ®
or Active Brake Assi st.
R ESP ®
is deacti vated.
R A loss of tyre pressure or a defective tyre is
detected.
R You are driving with a trailer and the electri‐
cal connection tothe trailer hitch has been
cor rectly es tablished.
Ac tivating/deactivating Blind Spot Assi stor
Ac tive Blind Spot Assi st
Multimedia sy stem:
4 © 5
Settings 5
Assistance #
Activate or deacti vate Blind Spot Assist . Driving and pa
rking 259

or
#
Activate or deacti vate Act. Blind Spot Assist .Ac
tive Lane Keeping Assist Fu
nction of Active Lane Keeping Assist
Ac tive Lane Keeping Assist monitors the area in
front of your vehicle bymeans of the multifunc‐
tion camera (/ page 224). It servesto protect
yo u against unin tentionally le aving your lane.
Yo u will be warned byvibration pulses in the
st eering wheel and guided bya course-cor rect‐
ing brake application ba ckinto your lane.
Ac tive Lane Keeping Assist is available in the
speed range between 60 km/h and 200 km/h.
Ac tive Lane Keeping Assist can neither reduce
th erisk of an accident if youfa ilto adapt your
driving style nor override the la wsof ph ysics. It
cannot take into account road, weather or traf fic
conditions. Active Lane Keeping Assist is only an
aid. You are responsible for maintaining a safe
dis tance totheve hicle in front, forve hicle
speed, for braking in good time and forst ay ing
in lane. The
status of Active Lane Keeping Assist is dis‐
pla yed in the on-board computer:
R Ã (green): Active Lane Keeping Assist is
active and operating.
R Ã (grey):Ac tive Lane Keeping Assist is
active but not operating.
R ·: Active Lane Keeping Assist is deactiva‐
te d or there is a malfunction. If a lane-cor
recting brake application occu rs, dis‐
play 1appears in the multifunction displa y.
The sy stem does not apply the brake if you acti‐
va te the turn signal indicator. Ve
hicles with Driving Assistance Package: if
th e sy stem de tects an obs tacle, su chas ano ther
ve hicle in the adjacent lane, it will apply the
brake rega rdless of the turn signal indicator.
Yo u are warned byvibrations in thesteering
wheel in thefo llowing circums tances:
R Active Lane Keeping Assist de tects a lane
marking.
R A front wheel drives over this lane marking.
Conditions for a course-cor recting brake
application (vehicles without Driving Assis‐
tance Package)
Depending on the setting, a course cor recting
brake application occu rsinthefo llowing situa‐
tions (/ page 262).
% The availability of this setting is dependent
on the count ry. If the function is activated in
count ries in which this setting is notavaila‐
ble, a lane-cor recting brake application is ini‐
tia ted in thefo llowing situations:
Lane markings weredetected on bo thsides
of the lane. The front wheel drives over a
continuous lane marking. 260
Driving and parking

Standard
Setting
R Lane markings weredetected on bo thsides
of the lane. The front wheel drives over a
continuous lane marking.
R A lane marking and the edge of a firm road
sur face weredetected. The front wheel
drives over a lane marking on the edge of the
fi rm road sur face.
R A lane marking and an oncoming vehicle
we redetected. The front wheel drives over
th e lane marking.
Sensitive Setting
R All situations described under theStandard
setting.
R A continuous lane marking was de tected and
driven over with the front wheel.
% A brake application may be inter rupte d at
any time if yousteer slightly in the opposite
direction. Conditions
for a course-cor recting brake
application (vehicles with Driving Assistance
Pa ckage)
Depending on the setting, a course cor recting
brake application occu rsinthefo llowing situa‐
tions (/ page 262).
% The availability of this setting is dependent
on the count ry. If the function is activated in
count ries in which this setting is notavaila‐
ble, a lane-cor recting brake application is ini‐
tia ted in all situations described under Sen-
sitive.
Standard Setting
R A lane marking and an approaching vehicle,
an ove rtaking vehicle or vehicles driving par‐
allel to yo urvehicle weredetected in the
adjacent lane. The front wheel drives over
th e lane marking.
Sensitive Setting
R The situations described under theStandard
setting.
R A continuous lane marking was de tected and
driven over with the front wheel. %
A brake application may be inter rupte d at
any time if yousteer slightly in the opposite
direction.
Sy stem limits
No lane-cor recting brake application occu rsin
th efo llowing situations:
R You clear lyand actively steer, brake or accel‐
erate.
R If a driving saf ety sy stem inter venes, su chas
ESP ®
,Ac tive Brake Assi stor Active Blind
Spot Assi st.
R You ha veadop ted a sporty driving style with
high cornering speeds or high rates of accel‐
eration.
R When ESP ®
is deactivated.
R When driving with a trailer, the electrical con‐
nection tothe trailer has been cor rectly
es tablished.
R If a loss of tyre pressure or a defective tyre
has been de tected and displ ayed.
If yo u deactivate theAc tive Lane Keeping Assist
wa rning and the lane markings cann otbe clearly Driving and parking
261