2021 MERCEDES-BENZ GLS SUV lights

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

&
W
WARNI NG
ARNI NGRisk 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. R R
eq
eq uir
uir ements:
ements:
R The vehicle has been star ted.
R V
Vehicles wit
ehicles wit hout
houtO.-r
O.-road
oadpack
pack ag
age:
e: theve hicle
is being driven no faster than 65 km/h.
R V
Vehicles wit
ehicles wit h
hO.-r
O.-r oad
oadpack
pack ag
age:
e:
- O.-road le vel +1: theve hicle is not moving
fa ster than 100 km/h. -
O.-road le vel +2: theve hicle is not moving
fast erthan 65 km/h.
- O.-road le vel +3: theve hicle is not moving
fa ster than 20 km/h.
R
R aising t
aising t he v
he vehicle (v
ehicle (v ehicles wit
ehicles wit hout
houtO.-r
O.-road
oad
pack
pack ag
age)
e) #
Push rock er switch 1forw ards.
Indicator lamp 20ashes while theve hicle is
being raised and lights up continuously when
it has /nished rising.
Yo ur selection is sa ved. The o.- road le vel set
re mains stored even aTer the ignition has been
switched o..
The vehicle is lo wered again in thefo llowing situa-
tions:
R When driving faster than 80 km/h.
R When driving brie0y between 65 km/h and
80 km/h.
R ATer selecting a di.erent drive prog ram using
th eDY NAMIC SELECT switch.
The vehicle is adjusted tothe height of the active
drive prog ram.
Low
Low er ering t
ing t he v
he vehicle (v
ehicle (v ehicles wit
ehicles wit hout
houtO.-r
O.-road
oad
pack
pack ag
age)
e) #
Pull rock er switch 1.
The vehicle is adjusted tothe height of the
active drive prog ram.
Oper
Oper ation wit
ation wit h a tr
h a trailer or bicy
ailer or bicy cle r
cle rack
ack 278
278
Driving and parking

If
th e electrical connection has been cor rectly
es tablished tothe trailer or bicycle rack:
R From appr ox. 30 km/h: o.- road le vel +1 can
be selected, rega rdless of drive prog ram.
R From appr ox. 30 km/h: theve hicle is adjusted
to normal le vel,re ga rdless of drive prog ram.
R
R aising t
aising t he v
he vehicle (v
ehicle (v ehicles wit
ehicles wit h
hO.-r
O.-r oad
oadpack-
pac k-
ag
ag e)
e) #
Push rock er switch 1forw ards.
R O.-road le vel +1: one indicator lamp 2
lights up continuously when theve hicle
has /nished rising.
R O.-road le vel +2: two indicator lamps 2
light up continuously when theve hicle has
/nished rising.
R O.-road le vel +3: thre e indicator lamps 2
light up continuously when theve hicle has
/nished rising.
Yo ur selection is sa ved. The o.- road le vel set
re mains stored even aTer the ignition has been
switched o..
The vehicle is lo wered again in thefo llowing situa-
tions:
R O.- road le vel +3: when driving faster than
20 km/h.
The vehicle is lo weredto o.-road le vel +2.
R O.- road le vel +2:
- When driving faster than 80 km/h.
- When driving brie0y between 65 km/h and
80 km/h. The
vehicle is lo weredto o.-road le vel +1.
R O.- road le vel +1:
- When driving faster than 115 km/h.
- When driving brie0y between 100 km/h
and 115 km/h.
The vehicle is lo weredto the normal le vel.
R ATer selecting a di.erent drive prog ram using
th eDY NAMIC SELECT switch.
The vehicle is adjusted tothe height of the
active drive prog ram.
Oper
Oper ation wit ation wit h a tr
h a tr ailer 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 drive
prog ram.
R Uptoappr ox. 30 km/h: o.- road le vels +1, +2
and +3 can be selected, rega rdless of drive
prog ram.
R From appr ox. 30 km/h: theve hicle is adjusted
to normal le vel,re ga rdless of drive prog ram. Driving and parking
279
279

Low
Low
er
ering t
ing t he v
he vehicle (v
ehicle (v ehicles wit
ehicles wit h
hO.-r
O.-r oad
oad pack-
pac k-
ag
ag e)
e) #
Pull rock er switch 1.
R O.- road le vel +3: theve hicle is lo weredto
o.-road le vel +2. Two indicator lamps 2
light up continuously when theve hicle has
/nished lo wering.
R O.-road le vel +2: theve hicle is lo weredto
o.-road le vel +1. One indicator lamp 2
lights up continuously when theve hicle
has /nished lo wering.
R O.-road le vel +1: theve hicle is lo weredto
th e normal le vel. No indicator lamp 2
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..
Se
Se tting tting O.-r
O.-road
oadAssist
Assist
R
R eq
eq uir
uir ements:
ements:
R theve hicle is stationar y.
R theve hicle is set too.-road le vel 1 or 2 R
the O.- road or O.-road Plus (only vehicles
with O.-road pac kage ) drive prog ram has
been selected
R the ignition is switched on
R all doors and the bonnet are closed
R the transmission is not engaged in position j
R there is no trailer coupled
R theve hicle is outdoors
R the de tected lateral inclination of theve hicle
must not exceed appr ox. 15°
R the system is within its operating temp erature
R the on-board voltage is su1ciently high
Multimedia system: 4 © 5
Settings 5
Assistance
5 Offroad Assist
R
R ecov
ecov er
ery mode
y mode
Re covery mode assists the driver when pulling
awa y on rough terrain, such as sand or sno w. #
Select Free driving mode . #
Select Start.
Re covery mode is activated. #
Select Stoptostop reco very mode.
Re covery mode is automatically deactivated in the
fo llowing situations:
R you are actually tr avelling faster than 15 km/h
R aTer a running time of 30 seconds
R it is de tected that an object has hit the under-
body of theve hicle hard
R not all conditions are met
% Further information on reco very mode
(/ page 276).
Individual wheel contr Individual wheel contr ol ol
Individual wheel control enables theve hicle le vel
to be set separately for each wheel. #
Select Individual wheel control . #
Set theve hicle le velfo rth e desired wheel.
% You can also use theto uchscreen toset the
le ve lfo r two or more wheels at the same
time. #
Select Resettoset all wheels tothe default
setting. 280
280
Driving and parking

Then,
you can select a service and be connected
to a specialist at the Mercedes-Benz Customer
Centre.
Calling t
Calling t he Mer he Mercedes-Benz Cust
cedes-Benz Cust omer Centr
omer Centre
eaTer
aTer
aut
aut omatic accident or br
omatic accident or br eakdo
eakdown det
wn det ection
ection
R
R eq
eq uir
uir ements:
ements:
R The vehicle has de tected an accident or break-
down situation.
R The vehicle is stationar y.
R The hazard warning lights are switched on.
% This function is not available in all countries.
The vehicle can de tect accident or breakdown sit-
uations under cer tain circumstances.
In theev ent an accident or breakdown is de tec-
te d, the emer gency guide sh ows saf ety no tes in
th e multimedia system displa y.
ATer quitting the emer gency guide display on the
multimedia system, a prom ptappears asking
whe ther youwo uld like toget support from the
Mercedes-Benz Customer Centre. #
Select Call.
R ATer your ag reement, or if the Mercedes
me connect service "Accident and Break-
down Management" is active, theve hicle
data is transfer red automatically
(/ page 345).
R The Mercedes-Benz Customer Centre
ta ke syo ur call and or ganises the break-
down and accident assistance.
Yo u may be charge dfo rth ese services.
% Depending on the se verity of the accident, an
automatic emer gency call can be initia ted.
This has priority over all other active calls.
% In addition, if the Mercedes me connect
service "Telediagnostics" is active, a similar
prom ptcan appear aTer a delay in theev ent
of a breakdown. If you are already in contact
with the Mercedes-Benz Customer Centre or
ha ve already received support, this prom pt
can be ignored or declined.
% Ifyo u answer the prom ptfor support from the
Mercedes-Benz Customer Centre with Later,
th e message will be hidden and appear again
later. The prom
pttriggered bythe Mercedes me
connect service "Telediagnostics", can either
be con/ rmed or declined. ATer being
declined, this will not be shown again.
Arr Arr anging a ser
anging a ser vice appointment via a Mer
vice appointment via a Mer cedes
cedes
me call
me call
If yo u ha veactivated the maintenance manage-
ment service, releva nt vehicle data is transfer red
automatically tothe Mercedes-Benz Customer
Centre. You will then receive individual recom-
mendations rega rding the maintenance of your
ve hicle.
Re gardless of whe ther you ha veconsen tedto the
maintenance management service, the multime-
dia system reminds you aTer a cer tain amount of
time that a service is due. A prom ptappears ask-
ing if youwo uld like tomake an appointment. #
T To arr
o arr ang
ange a ser
e a ser vice appointment
vice appointment: :select Call.
ATer your ag reement, theve hicle data is
transfer red and the Mercedes-Benz customer
centre take syo ur prefer red appointment date.
The information is then sent toyour desired
service outlet. 342
342
MBUX multimedia system

Lights
Lights
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
:
Left dipped beam (examp le) *T
he cor responding light source is defecti ve. #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when all the light-emitting diodes
in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a quali/ed specialist workshop.
*V Vehicles wit ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:a fuse may ha veblown. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the fuses and replace them if necessary (/ page 397).
:
Automatic driving lights
inoperative *T
he light sensor for automatic driving lights is malfunctioning. #
Consult a quali/ed specialist workshop. 448 448
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
:
Active Light System inoper-
ative *T
he active headlamps are malfunctioning. #
Consult a quali/ed specialist workshop.
:
Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
:
Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
:
Intelligent Light System
inoperative *T
he Intelli gent Light System is malfunctioning. The lighting system continues tofunction proper lywithout the functions
of the Intelligent Light System. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
449
449

W
W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y.
Ins
Ins tr
trument displ ay
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown. Indicat
Indicat
or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 505)
ü Seat belt (/ page 505)
ï Trailer hitch (/ page 506)
Ù Powe r steering (/ page 506)
ÿ Coolanttemp erature (/ page 508)
; Engine diagnostics (/ page 508)
p V
V ehicles wit
ehicles wit h a pe
h a petr
trol engine:
ol engine: engine
operating temp erature (/ page 508)
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 508)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 508)
! Electric parking brake (red)
(/page 511)
! Electric parking brake (yellow)
(/page 511)
J Brakes (yellow) (/ page 511)
J Brakes (red) (/ page 511)
L Distancewarning (/ page 513) Ó
Active Brake Assist (/ page 513)
ê Active Brake Assist (/ page 513)
ä AIRMATIC / E- ACTIVE BODY CON-
TROL (/ page 513)
! ABS (/page 515)
÷ ESP®
(/ page 515)
å ESP®
OFF (/ page 515)
h Tyre pressure monitoring system
(/ page 517)
T Standing lights (/ page 160)
L Low beam (/ page 160)
K High beam (/ page 162)
#! Turn signal lights (/ page 162)
R Rear fog light (/ page 160) 504 504
Display message
s andwarning/indicator lamps