2022 MERCEDES-BENZ GLS SUV Owners Manual

Removing the wiper blade

Switch the vehicle oM.
Fold wiper arm 2 a way from the rear window
until it engages in the replacement position. 
Unclip wiper blade 1 fr
om wiper arm 2 and
remove it in the direction of arrow 3.Fitting the wiper blade

Position wiper blade 1 wit
h both lugs 3 on
holder 2 on the wiper arm. 
Push wiper blade 1 in t
he direction of arrow
4 until it engages in holder 2. 
Make sure that wiper blade 1 is seat
ed cor-
rectly. 
Fold the wiper arm from the replacement posi-
tion bac

k onto the rear window. Mirrors
Operating the outside mirrors
&
WARNING Risk of accident due t
o adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lo
wing situations in particular:
= if you adjust the driver's seat, the head
restraint, the steering wheel or the mirror
while the vehicle is in motion
= if you fasten your seat belt while the vehi-
cle is in motion 
Before starting the vehicle: in particular,
adjus

t the driver's seat, head restraint,
steering wheel and mirror, and fasten
your seat belt. 174
Light and sight

&
WARNING Risk of accident due t o mis-
judgement of distance when using the
outside mirror
The outside mirrors r
eOect objects on a
smaller scale. The objects in view are in fact
closer than they appear. 
Therefore, always look over your shoul-
der in or

der to ensure that you are aware
of the actual distance between you and
the road users driving behind you. Folding the outside mirrors in/out

BrieOy pr
ess button 2.
% If the battery has been disconnected or has
disc

harged, the outside mirrors must be
moved brieOy using button 2. Only then will
the automatic mirror folding function work
properly. %
Mercedes-Maybach vehicles: if the extendable
r

unning boards are extended, they will retract
when the outside mirrors fold in.
Adjusting the outside mirrors 
Press button 1 or 3 t
o select the outside
mirror to be adjusted. 
Use button 4 t
o adjust the position of the
mirror glass.
Engaging the outside mirrors
If an outside mir
ror has been forcibly disengaged,
proceed as follows. 
Vehicles without electrically folding outside
mir

rors: manually move the outside mirror into
the correct position. 
Vehicles with electrically folding outside mir-
r
ors: press and hold button 2.
You will hear a click and the mirror will audibly
click into place. The outside mirror will now be
set to the correct position. Light and sight
175

Automatic anti-dazzle mirrors function
&
WARNING Risk of acid bur ns and poison-
ing due to the anti-dazzle mirror electro-
lyte
Electrolyte may escape if the glass in an auto-
matic anti-dazzle mir
ror breaks.
The electrolyte is hazardous to health and cau-
ses irritation. It must not come into contact
with your skin, eyes, respiratory organs or
clothing or be swallowed. 
If you come into contact with electrolyte,
obser
ve the following:
= Immediately rinse the electrolyte
from your skin with water and seek
medical attention.
= If electrolyte comes into contact with
your eyes, immediately rinse them
thoroughly with clean water and seek
medical attention.
= If the electrolyte is swallowed, imme-
diately rinse your mouth out thor-
oughly. Do not induce vomiting. Seek
medical attention immediately. =
Immediat
ely change out of clothing
which has been contaminated with
electrolyte.
= If an allergic reaction occurs, seek
medical attention immediately. The inside rearview mirror and the outside mirror
on t
he driver's side will automatically go into anti-
dazzle mode if light from a headlamp hits the sen-
sor on the inside rearview mirror.
System limits
The system will not go into anti-dazzle mode if:
= The vehicle is switched oM.
= Reverse gear is engaged.
= The interior lighting is switched on. Front-passenger outside mirror parking position
function
%
The parking position is available only in vehi-
cles wit

h a memory function.
The parking position makes parking easier. In the following situations, the front-passenger
outside mir

ror will swivel downwards in the direc-
tion of the rear wheel on the front passenger's
side:
= the parking position is stored (  page 177)
= The front-passenger mirror is selected
= Reverse gear is engaged.
The front-passenger outside mirror will move back
to its original position in the following situations:
= You shis the transmission to another transmis-
sion position
= You are travelling at speeds greater than
15 km/h
= You press the button for the outside mirror on
the driver's side 176
Light and sight

Storing and calling up the parking position of the
fr ont-passenger outside mirror Storing

Select the front-passenger outside mirror
using butt
on 1. 
Engage reverse gear. 
Move the front-passenger outside mirror into
t

he desired parking position using button 2.Calling up 
Select the front-passenger outside mirror
using butt
on 1. 
Engage reverse gear.
The fr
ont-passenger outside mirror will move
to the stored parking position. Activating/deactivating the automatic mirror fold-
ing function
Multimedia system:
4 © 5
Settings 5
Vehicle 
Activate or deactivate Automatic fold-in. Area permeable to radio waves on the wind-
scr

een Radio-controlled equipment such as toll systems
can be mount

ed only on areas 1 of the wind-
screen that are permeable to radio waves.
Areas permeable to radio waves 1 are best visi-
ble from outside the vehicle when the windscreen
is illuminated with an external light source.
Note this position for vehicles with:
= Windscreen heater
= Infra-red reOective windscreen Light and sight
177

*nfrared-reOective windscr
een function
The infrared-reOective windscreen is coated and
reduces the build-up of heat in the vehicle interior.
The coating shields the vehicle interior from radio
waves. 178
Light and sight

Overview of climate control systems
Notes on climate control
An interior
Nlt er in combination with the preNlter
in the engine compartment must always be used
so that the air conditioning system, pollution level
monitoring and the air Nltration work correctly.
Use Nlters recommended and approved by
Mercedes-Benz. Always have maintenance work
carried out at a qualiNed specialist workshop. Overview of the air conditioning control panel
The indicator lamps on the buttons indicate that
t
he corresponding function is activated. THERMOTRONIC air conditioning control panel with
s
tationary heater (example)
1

Overview of the rear operating unit
1
Sets the temperature, les
2 Sets the air distribution, les
3 Sets climate control to automatic mode
( pag
e 181)
4 Setting the airOo
w
5 Switches climate control on/oM
(  pag

e 180)
Switching residual heat on/oM( pag
e 182)
6 Sets the air distribution, right
7 Sets the temperature, right
The settings for the second and third row of seats
(eq
uipment-dependent) can be made via the rear operating unit, the multimedia system
(
 pag

e 181) or the MBUX rear tablet depending
on the vehicle's equipment. Operating the climate control system
Switching climate control
on/oM 
To switch on: se
t the airOow to level 1 or
higher using the + button. 
To switch oM: se
t the airOow to level 0 using
the + button.
If climate control is switched oM, t
he windows
may mist up more quickly. Switch climate control
oM only brieOy. Switching the climate control in the rear
on/oM 
Press button 5.
% When climate control in the second seat row
is switc
hed oM, the indicator lamp is activated
and OFF is shown on the rear display. Switching the A/C function
on/oM using t
he air
conditioning control panel The A/C function heats, cools and
dehumidiNes
t
he vehicle's interior air. 
Press the V butt
on.
Switch oM t
he A/C function only brieOy; other-
wise, the windows may mist up more quickly.
Condensation may drip from the underside of the
vehicle when cooling mode is active. This is not
indicative of a fault. Calling up the air conditioning menu
Calling up the air conditioning menu using the
multimedia sy

stem 
Select one of the temperature displays at the
lo
wer edge of the media display.
Calling up the air-conditioning menu using the
butt
on on the climate control panel 
Press the  butt
on on the climate control
panel. 180
Climate control

Activating/deactivating the A/C function via the
multimedia sy stem Multimedia system:
4 Climate menu 5
First row of seats
The A/C function heats, cools and dehumidiNes
t

he vehicle's interior air. 
Select A/C. Setting climate control to automatic mode
In automatic mode, the set temperature is con-
tr

olled and maintained at a constant level by the
air supply. 
Press button X . 
To switch to manual mode: pr
ess the X
button.
In automatic mode, you can choose between Nv
e
diMerent air quantities using the + button.
Automatic mode is retained. Automatically controlling the climate control in
t
he rear In automatic mode, the set temperature is regula-
t

ed by the temperature of the dispensed air and
the airOow. 
Press button X . Setting the air distribution
Multimedia system:
4 Climate menu 
Call up the air conditioning menu
( pag
e 180). 
Select a row of seats. 
To set the air distribution: select a, P
or O. 
Set the airOo
w.
% Several air distributions can be selected at
t

he same time, e.g. to air-condition both the
windscreen and the footwell.
The a climate control for the windscreen
can only be selected for the Nrst seat row. Setting climate control for the rear passenger
com

partment (multimedia system) Multimedia system:
4 Climate menu 5
Second row of seats
Se

tting the temperature 
Select Second row of seats or Third row of
seats.
% Maybach vehicles are only Ntt
ed with one and
two rows of seats. 
Set the temperature.
Setting the airOo
w 
Select Second row of seats or Third row of
seats.
% Maybach vehicles are only Ntt
ed with one and
two rows of seats. 
Set the airOo
w.
Controlling the rear climate control automatically 
Select REAR AUTO.
R
ear climate control is controlled automati-
cally. Climate control
181