2019 MERCEDES-BENZ GLS SUV warning light

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

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. 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 your vehicle
and 3 m directly next to yourvehicle.
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. If a
vehicle is de tected close tothe side of your
ve hicle, there dwa rning lamp in the outside mir‐
ro rflashes. If you swit chon the turn signal indi‐
cator in the cor responding direction, a warning
to ne sounds once. 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.
As a result, Blind Spot Assist cannot warn
drivers 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. Blind Spot Assist and
Active Blind Spot Assi st
are on lyaids. They may failto detect some vehi‐ cles and are no substitute
for attentive driving.
Alw ays ensure that there is suf ficient di stance to
th e side forot her road users and obs tacles.
Exit warning
The exitwa rning is an additional function of
Blind Spot Assist and can warnvehicle occu‐
pants about approaching vehicles when leaving
th eve hicle when stationar y. &
WARNING Risk of accident despi teexit
wa rning
The exitwa rning reacts nei ther tostationary
objects nor tovehicles approaching you at a
great lydif fere nt speed.
As a result, theex itwa rning cannot warn
drivers 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 306
Driving and parking

&
WARNING Risk of accident despi te
Ac tive Blind Spot Assi st
Ac tive Blind Spot Assi stdoes not react tothe
fo llowing:
R ifve hicles overtake too closely on the
side, placing them in the blind spot area
R vehicles approaching and overtaking you
at a greatly di fferent speed
As a result, Active Blind Spot Assi stmay nei‐
th er give warnings nor inter vene in su chsit‐
uations. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. 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
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. 308
Driving and parking

R
Ifth e car riag ewa y is very nar row and wind‐
ing.
Ve hicles with Driving Assistance pac kage or
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas around theve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with sn ow,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been de tected, no lane-cor‐
re cting brake application occu rs.
Ac tivating/deactivating Active Lane Keeping
Assist
Multimedia sy stem:
4 © 5
Settings
5 Schnellzugriff (Quick access)
5 Active Lane Keeping Assist #
Activate or deacti vate the function. Setting
Active Lane Keeping Assist
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Act. Lane Keep. Assist
Setting the sensitivity
% The availability of this function is dependent
on the count ry. #
Select Standard ,Sensitive orOff.
Ac tivating/deactivating the haptic warning #
Select Warning.
Ac tivate or deacti vate the function. Tr
ailer hitch Tr
ailer operation no tes Obser
vethefo llowing no tes on theto ngue
we ight:
R do not use a tongue weight that exceeds or
fa lls below the permissible tongue weight
R use a tongue weight as close as possible to
th e maximum tongue weight Do not
exceed thefo llowing values:
R Perm issible towing capacity
R permissible rear axle load of theto wing vehi‐
cle
R permissible gross mass of theto wing vehicle
R permissible gross mass of the trailer
R maximum permissible speed of the trailer
Ensure thefo llowing before starting a journey:
R the tyre pressure on there ar axle of theto w‐
ing vehicle is set for a maximum load
R the lighting of the connected trailer is opera‐
tional
In theev ent of increased rear axle load, the car/
trailer combination may not exceed a maximum
speed of 100 km/h forre asons concerning the
operating permit. This also applies in countri es
in which the permissible maximum speed for
car/trailer combinations is ab ove100 km/h.
Ve hicles with AIRMATIC/ ACTIVE BODY CON‐
TROL: Ifth e soc ket of the trailer hitch is occu‐
pied e.g. bya trailer or rear bicycle rack ,the
ve hicle is set tothe normal le velre ga rdless of Driving and parking
311

Button on
the driver's door #
Toextend: pull button 1.
Indicator lamp 2willflash and theTrailer
coupling extending… display message will
appear on the multifunction displa y.
The ball neck will extend fully electrically. #
Wait until the ball neck has loc ked in place.
The ball neck is securely loc ked in place
when indicator lamp 2lights up continu‐
ousl y.
If th e ball neck is not securely loc ked in
place, indicator lamp 2flashes and the
Check trailer hitch lock displaymessa ge
appears on the multifunction displa y.
Re tracting the ball ne ckfully electrical ly #
Pull button 1.
Indicator lamp 2flashes and the message
Trailer coupling extending… appears onthe
multifunction displa y.
The ball neck will retract fully electrically. #
Wait until the ball neck has loc ked in place.
The ball neck is securely loc ked in place
once indicator lamp 2goes out.
If th e ball neck is not securely loc ked in
place, the indicator lamp 2flashes and the
messa geCheck trailer hitch lock appears on
th e multifunction displa y. Obser
vethe information on the displa yson the
instrument clus ter:
R Warning and indicator lamps (/ page 665)
R Display messages (/ page611) Cou
pling up / uncoupling a trailer &
WARNING Risk of inju ryfrom theve hicle
le ve l being changed
Ve hicles with le vel control sy stem: the
ve hicle le vel may be changed unin tentional ly,
e.g. by ot her persons. You may become trap‐
ped if you couple up or uncouple a trailer
while theve hicle le vel is changing. In addi‐
tion, other people could become trapped if
th eir limbs are between theve hicle body and
th e tyres or underneath theve hicle.
When coupling up or uncoupling a trailer,
make sure that: #
The doors or tailgate are not opened or
closed. Driving and parking
313

A displ
aymessa gemay appear on the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled in the trailer light‐
ing sy stem
R The cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA).
% Accessories can be connected tothe perma‐
nent po wer supp lyup to180W, and tothe
po we r supp lythat is swit ched on via the igni‐
tion loc k.
Un coupling a trailer &
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer wi than engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an
engaged overrun brake. *
NO
TEDama gewhen uncoupling in a
st ate of overrun Uncou
pling in a state of overru n can dama ge
th eve hicle. #
Do not uncouple trailers with an
engaged overrun brake. &
WARNING Risk of becoming trapped
when disconnecting the trailer cable
Ve hicles with le vel control sy stem: The
ve hicle may lo wer when the trailer cable is
disconnected.
This could result in you or other people
becoming trapped if your or their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure that nobody is unde rneath
th eve hicle or in the immediate vicinity
of the wheel ar ches when you discon‐
nect the trailer cable. *
NO
TEDama getothere ar bumper from
ins talling adap ter cables or adapte r plugs The
following parts could be damaged when
swinging the ball neck fully electrically:
R bumper
R adap ter cable
R adapte r plug #
Alw aysre mo vethe adap ter cable or
adapte r plug before swinging the ball
neck fully electrically. #
Secure the trailer against rolling away. #
Disconnect the electrical connection
between theve hicle and the trailer. #
Uncouple the trailer. #
Place the co ver on the ball head. Driving and parking
315

#
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements of theve hicle interior is
adjus ted. Menus and submenus
Fu
nctions on the service menu of the on-
board compu ter On-board computer:
4 Service #
Toselect the function: swipe upwards or
down wards on the left-hand Touch Control. #
Press the left-hand Touch Control.
Fu nctions on theService menu:
R Message memory (/ page611)
R AdBlue: Adblue ®
ra nge and fill le vel
R Tyres:
- Restarting the tyre pressure loss warning
sy stem (/ page579)
- Che cking tyre pressure with the tyre
pressure monitor (/ page573) -
Restarting the tyre pressure monitor
(/ page 574)
R ASSYST PLUS : calls upthe service due date
(/ page 531)
R Coolant: coolant temp erature display
R Engine oil level: engine oil le vel
R Consumption info: fuel life cycle consump‐
tion Calling up
the assistant display On-board computer:
4 Assistance
The following displa ysare available on the assis‐
ta nt displ aymenu:
R Assis tant displ ay
R Attention le vel (/ page 300)
R Full-sur face menu displ ay #
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control. St
atus displa yson the assis tant displ ay:
R Û ATTENTION ASSIS T:deactivated
R Light lane markings: Active Lane Keeping
Assist enabled
R Green lane markings: Active Lane Keeping
Assist active
R ¸ Grey radar waves next tovehicle: Blind
Spot Assist or Active Blind Spot Assi stena‐
bled
R ¸ Green radar waves next tovehicle:
Blind Spot Assist or Active Blind Spot Assi st
active In
stru ment Display and on-board computer 325

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