2021 MERCEDES-BENZ GLS SUV warning

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.
Syst
Syst em limits em limits
Blind Spot Assist and Active Blind Spot Assist may
be limited in thefo llowing situations, in particular:
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 row lanes
R ifve hicles are not driving in the middle of their
lane
Wa rnings may be issued in er ror when driving
close tocrash bar riers or similar continuous lane
borders. Alw ays make sure that there is su1cient
distance tothe side forot her tra1c or obs tacles. Wa
rnings may be inter rupted 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 Sp otAssist 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 intheev ent of stationary or slo wlymoving
objects
F
F unction of br unction of br ak
ake application (A
e application (A ctiv
ctive Blind Spot
e Blind Spot
Assis
Assis t)
t)
If Ac tive Blind Spot Assist de tects a risk of a side
impact in the monitoring range, a cou rse-cor rect-
ing 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 app roximately
30 km/h and 200 km/h. &
W
WARNING
ARNING Risk of accident despi tebrake
application of Active Blind Spot Assist
A course-cor recting brake application cann ot
alw ays pr event a collision. #
Always steer, brake or accelerate your-
self, especially if Active Blind Spot Assist
wa rnsyo u or makes a course-cor recting
brake application. #
Always maintain a safe dis tance at the
sides. Driving and parking
263
263

If a course-cor
recting brake application occurs,
th ere dwa rning lamp 0ashes in the outside mir ror
and a warning tone sounds. In addition, display
1 indicating the danger of a side collision
appears in the Instrument Displa y.
In rare cases, the system may make an inappro-
priate brake application. This brake application
may be inter rupted at any time if you steer slightly
in the opposite direction or accelerate.
Syst
Syst em limits em limits
No tethe system limitations of Active Blind Spot
Assist; you may otherwise not recognise the dan-
ge rs ( / page 261).
Either a course-cor recting brake application
appropriate tothe driving situation, or none at all,
may occur in thefo llowing situations:
R Vehicles or obs tacles, e.g. crash bar riers, 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 signi/cant ly.R
A driving sa fety system inter venes, e.g. ESP ®
or Active Brake Assist.
R ESP ®
is deactivated.
R A loss of tyre pressure or a defective tyre is
detected.
R You are driving with a trailer and the electrical
connection tothe trailer hitch has been cor-
re ctly es tablished.
A
A ctiv ctiv ating/deactiv
ating/deactiv ating Blind Spo
ating Blind Spo t Assis
t Assist ort or
A
A ctiv
ctiv e Blind Spo
e Blind Spo t Assist
t Assist
Multimedia system:
4 © 5
Settings 5
Assistance #
Activate or deactivate Blind Spot Assist.
or #
Activate or deactivate Act. Blind Spot Assist . A
A
ctiv
ctiv e Lane K
e Lane K eeping Assist
eeping Assist F
F
unction of A
unction of A ctiv
ctive Lane K
e Lane K eeping Assist
eeping Assist
Ac tive Lane Keeping Assist monitors the area in
front of your vehicle bymeans of the multifunction
camera (/ page 229). It ser vesto protect you
against unintentionally leaving your lane. You will be
warned byvibration pulses in the steering
wheel and guided bya course-co rrecting brake
application back into 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 the
ri sk of an accident if youfa ilto adapt your driving
style nor override the la wsof ph ysics. It cannot
ta ke into account road, weather or tra1c condi-
tions. Active Lane Keeping Assist is only an aid.
Yo u are responsible for maintaining a safe dis-
ta nce totheve hicle in front, forve hicle speed, for
braking in good time and for st aying in lane.
The status of Active Lane Keeping Assist is dis-
pla yed in the on-board computer:
R Ã (gre en): Active Lane Keeping Assist is
active and operating.
R Ã (gre y): Active Lane Keeping Assist is
active but not operating.
R ·: Active Lane Keeping Assist is deactiva-
te d or there is a malfunction. 264
264
Driving and parking

Se
Se
tting A
tting A ctiv
ctive Lane K
e Lane K eeping Assist
eeping Assist
Multimedia system:
4 © 5
Settings 5
Assistance
5 Active Lane Keeping Assist
Se
Se tting t
tting t he sensitivity
he sensitivity
% The availability of this function is dependent
on the countr y. #
Select Standard, SensitiveorOff.
A
A ctiv
ctiv ating or deactiv
ating or deactiv ating t
ating the hap
he hap tic w
tic w ar
arning
ning #
Select Warning.
Ac tivate or deactivate the function. AIRMA
AIRMA
TIC
TIC F
F
unction of AIRMA
unction of AIRMA TIC
TIC
* NO
NOTE
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. AIRM
ATIC is an air suspension system with an all-
ro und le vel control system, which also ensures th
e best possible suspension and constant ground
clearance, even with a laden vehicle. When driving
at speed, theve hicle is lo wered automatically to
impr ovedriving saf ety and toreduce fuel con-
sum ption. You also ha vethe option of manually
adjusting theve hicle le vel.
AIRMATIC is comprised of thefo llowing functions
and components:
R All-round air suspension
R Speed-dependent lo wering
R Manually selectable high le vel setting for
gr eater ground clearance which can be adjus-
te d using a le vel button
R V
Vehicles wit
ehicles wit h ADS PL
h ADS PLUS:
US:also Adaptive Damp-
ing System with cons tant adjustment of damp-
ing characteristics for impr oved driving com-
fo rt
Suspension se
Suspension se tting and v
tting and vehicle lev
ehicle level per dr
el per driv
ive pr
e pro- o-
gr
gr am
am
Drive prog ram A and;:
R The suspension setting is comfor table.
R The vehicle is set tothe normal le vel. R
When driving at speeds abo veappr oximately
140 km/h, theve hicle is lo wered.
R When driving at speeds below appr oximately
40 km/h, theve hicle is raised again.
Drive prog ram £ (Mercedes-Maybach vehicles
only):
R The suspension setting is very comfor table.
R The vehicle is set tothe normal le vel.
R When driving at speeds abo veappr oximately
140 km/h, theve hicle is lo wered.
R When driving at speeds below appr oximately
40 km/h, theve hicle is raised again.
Drive prog ram C:
R The suspension setting is /rmer.
R The vehicle is lo weredto sport le vel.
Drive prog ram B:
R The suspension setting is even /rmer.
R The vehicle is lo weredto Spo rt+ le vel. Driving and parking
267
267

Oper
Oper
ation wit
ation wit h a tr
h a trailer or bicy
ailer or bicy cle r
cle rack
ack
If transport equipment, forex ample a trailer or
bicycle rack , is attached tothe trailer hitch and
th e electrical connection has been cor rectly
es tablished:
R In drive prog ram F andG, theve hicle
adopts the normal le vel starting from a speed
of 30 km/h.
R In all other drive prog rams, theve hicle
re mains at normal le vel ir respecti veof speed.
Syst
Syst em limits
em limits
AIRMATIC may not be available or ha veonly limi-
te dav ailability in thefo llowing cases:
R The overheating pr otection has been activated
due tofrequent le velch anges within a short
time. The Áwarning lamp appears in the
multifunction displa y.
ATer the cooling phase, the system is again
av ailable without restriction. Se
Se tting t
tting t he v
he vehicle lev
ehicle lev el (v
el (vehicles wit
ehicles wit h AIRMA
h AIRMATIC)
TIC) &
W
WARNING
ARNING Risk of accident because vehi-
cle le vel is too high
Driving characteristics may be impaired.
The vehicle can driT out wards, forex ample,
when steering or cornering. #
Choose a vehicle le vel which is suited to
th e driving style and thero ad sur face
conditions. &
W
WARNING
ARNING Risk of ent rapment from vehi-
cle lo wering
When lo wering theve hicle, other people could
become trapped if their limbs are between the
ve hicle body and the tyres or underneath the
ve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of the
wheel ar ches when theve hicle is being
lo we red. &
W
WARNING
ARNING Risk of becoming trapped due
to theve hicle lo wering
V
V ehicles wit
ehicles wit h AIRMA
h AIRMATIC or lev
TIC or lev el contr
el control:
ol:when
yo u unload luggage or lea vetheve hicle, the
ve hicle /rst rises slightly and then returns to
th e set le vel shortly aTer wards.
Yo u or an yone else in the vicinity of the wheel
ar ch es or the underbody could thus become
trapped.
The vehicle can also be lo wered aTer being
loc ked. #
When leaving theve hicle, make sure that
nobody is in the vicinity of the wheel
ar ch es or the underbody. *
N NOOTE
TE Damage due tovehicle lo wering Pa
rts of the body could be damaged when the
ve hicle is lo wered. #
Make sure that there are no obstacles
such as kerbs underneath or in the
immediate vicinity of the body when the
ve hicle is being lo wered. Driving and parking
269
269

lights up when
theve hicle has /nished
lo we ring.
Yo ur selection is sa ved. The o.- road le vel set
re mains stored even aTer the ignition has been
switched o..
Oper Oper ation wit
ation wit h a tr
h a trailer or bicy
ailer or bicy cle r
cle rack
ack
If th e electrical connection has been cor rectly
es tablished tothe trailer or bicycle rack:
R Uptoappr ox. 20 km/h: o.- road le vels +1, +2
and +3 can be selected, rega rdless of the
drive prog ram.
R Uptoappr ox. 30 km/h: o.- road le vels +1 and
+2 can be selected, rega rdless of the drive
prog ram.
R From appr ox. 30 km/h: theve hicle is adjusted
to normal le vel,re ga rdless of the drive pro-
gr am.
Se
Se tting t
tting t he ent
he ent er
ering and e
ing and e xiting lev
xiting level (AIRMA
el (AIRMA TIC)
TIC)
R
R eq
eq uir
uir ements:
ements:
R The engine is running.
R The vehicle is moving at speeds below
30 km/h. Multimedia system:
4 © 5
Settings
5 Schnellzugriff (Quick access) #
Select Lower when entering On.
The vehicle is lo weredto low le vel -2 tofacili-
ta te entering and exiting.
% The availability of this function depends on
th eve hicle equipment.
% Further information on AIRMATIC
(/ page 267).
Low
Low er
ering and r
ing and r aising t
aising the r
he rear of t
ear of t he v
he vehicle
ehicle &
W
WARNING
ARNING Risk of ent rapment from vehi-
cle lo wering
When lo wering theve hicle, other people could
become trapped if their limbs are between the
ve hicle body and the tyres or underneath the
ve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of the
wheel ar ches when theve hicle is being
lo we red. R
R
eq
eq uir
uir ements:
ements:
R allvehicle doors are closed
R there is no trailer coupled
R there is no bicycle rack /tted
R the battery is su1ciently charge d (if neces-
sar y,start the engine)
Low
Low er
ering t
ing t he r
he rear of t
ear of t he v
he vehicle
ehicle 272
272
Driving and parking

V
V
ehicle
ehicle
lev
lev el
el V
V
ehicles wit
ehicles wit h-
h-
out
out O.-r
O.-r oad
oad
pack
pack age
age V
V ehicles with
ehicles with
O.-r
O.-r oad
oadpack-
pac k-
age
age
Spor tA pprox.
-15 mm Appr
ox.
-15 mm
Sport +A pprox.
-25 mm Appr
ox.
-25 mm F F
unction of RO
unction of ROAD SURFA AD SURFA CE SC
CE SCAN
AN
% This function is not available in all countries.
The ROAD SURF ACE SCAN function monitors the
ro ad in front of your vehicle using a multifunction
camera (/ page 229).ROAD SURF ACE SCAN
de tects une venness in thero ad sur face, e.g.
bumps, before theve hicle drives overth em. Chas-
sis mo vements are reduced and driving comfort is
increased.
RO AD SURF ACE SCAN is automatically activated
if th efo llowing conditions are met:
R Drive prog ram A orN is selected.
R The vehicle is set tothe normal le vel. R
You are driving at a speed between 7 km/h
and 180 km/h.
Syst
Syst em limits em limits
RO AD SURF ACE SCAN can be impaired in thefo l-
lowing situations or can stop functioning:
R Ifth e car riag ewa y is insu1ciently lit, e.g. at
night.
R In sno w,rain, fog, heavy spr ay, if there is glare,
in direct sunlight or in greatly varying light
conditions.
R Ifth e windscreen in the area of multifunction
camera is dirty, misted up, damaged or co v-
ered.
R Ifth ero ad sur face has no optic st ructure or
re 0ects light.
R Ifyo u are driving too close totheve hicle in
front.
R If sections of thero ute ha veave ry small
ra dius of cur vature.
R During abrupt driving manoeuvres, e.g. heavy
braking or sudden acceleration. Obser
vethe no tes on cleaning the multifunction
camera (/ page 376).
F
F unction of r
unction of r ecov
ecover
ery mode
y mode &
W
WARNING
ARNING Risk of injury due totheve hicle
moving up and down
During reco very mode, theve hicle mo ves up
and down and can cause injuries. #
When activating reco very mode, make
cer tain that no one is in the vicinity of
th eve hicle. *
N
NOOTE
TE Risk of damage due totheve hicle
moving up and down When free driving mode is activated,
theve hi-
cle mo ves up and down. Vehicle parts may be
damaged if the underbody bottoms out. #
Make sure that there is su1cient ground
clearance when rock ing free mode is
activated. Re
covery mode is a function of the suspension
which can assist the driver on loose sur faces (e.g. 276
276
Driving and parking

sand, snow) when freeing a
vehicle which has
become stuc k.
The vehicle body rock s in slo w,vertical motions
when reco very mode has been activated. This
te mp orarily puts the wheels under greater load,
which means they have increased traction and the
ve hicle is freed.
Yo u can activate free driving mode via O.- road
Assist (/ page 280).
F
F unction of individual wheel contr
unction of individual wheel contr ol
ol&
W
WARNING
ARNING Risk of becoming trapped due
to theve hicle lo wering
The vehicle can be lo wered when the individ-
ual wheel control function has been activated.
Body parts could become trapped if they are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure that nobody is under theve hi-
cle or in the immediate vicinity of the
wheel ar ches when individual wheel con-
trol is activated. *
N NOOTE
TE Risk of damage due totheve hicle
moving up and down The
vehicle can be lo wered or raised on one
or more wheels when the individual wheel
control function has been activated. Vehicle
parts could be damaged due tocontact with
objects. #
Make sure that theve hicle has su1cient
ro om tomo vewhen the individual wheel
control function has been activated. Individual wheel control is a function of
the sus-
pension, which can be used toset theve hicle
le ve lfo r each wheel individuall y.This can help to
impr ovealignment of the body when driving o.-
ro ad.
Yo u can activate individual wheel control via O.-
ro ad Assist (/ page 280). A A
djus djusting t ting t he v
he vehicle lev
ehicle lev el (v
el (vehicles wit
ehicles wit h E-A
h E-ACTIVE
CTIVE
BOD
BOD Y C
Y CONTR
ONTR OL)
OL) &
W
WARNING
ARNING Risk of accident because vehi-
cle le vel is too high
Driving characteristics may be impaired.
The vehicle can driT outwards, forex ample,
when steering or cornering. #
Choose a vehicle le vel which is suited to
th e driving style and thero ad sur face
conditions. &
W
WARNING
ARNING Risk of ent rapment from vehi-
cle lo wering
When lo wering theve hicle, other people could
become trapped if their limbs are between the
ve hicle body and the tyres or underneath the
ve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of the
wheel ar ches when theve hicle is being
lo we red. Driving and parking
277
277

Wi
de-angle view Tr
ailer view (vehicles with a trailer hitch)
1 Yellow guide line, locating aid 2
Red guide line at a distance of appr oximately
0.3 m from the ball head of the trailer hitch
3 Ball head of the trailer hitch
V
V ehicles wit
ehicles wit h P
h Par
arking Assis
king Assist P t PARK
ARK TR
TRONIC
ONIC
The following camera vie wsare available in the
multimedia system: Normal view
1 Yellow lanes marking the course the tyres will
ta ke with the cur rent steering angle (dynamic)
2 Yellow guide line, vehicle width (driven sur-
fa ce) depending on the cur rent steering angle
(dynamic) 3
Red guide line at a distance of appr oximately
0.3 m from there ar area
4 Yellow warning indicator of Parking Assist
PA RKTRONIC: obstacles at a distance
between app roximately 0.6 m and 1.0 m
5 Redwa rning display of Parking Assist
PA RKTRONIC: obstacles are very close
(appr oximately 0.3 m or less)
6 Orange warning display of Parking Assist
PA RKTRONIC: obstacles are a medium dis-
ta nce away (between appr oximately 0.3 m
and 0.6 m) Wi
de-angle view 282
282
Driving and parking