2022 MERCEDES-BENZ GLS SUV Owners Manual

Symbol
DesignationFunction
5 CategoriesSelect to show or search through available categories (e.g. playback lists, albums,
ar tists, etc.).
ª SearchSelect to search in the active menu. You can search for artists, genres or moods, for
e
xample.
= SettingsSelect to make settings.
© HomeSelect to return to the home screen.
L MessagingSelect to call up messaging.
 Full screenSelect to switch to full screen mode.The following functions and settings are available
in t

he media menu:
= Connecting external data storage media with
the multimedia system (e.g. using USB or
Bluetooth n
) =
Pla ying back audio or video Nles
= Streaming online music
= Looking at TV programmes in the TV menu 358
MBUX multimedia system

Additional functions in the TV menu
Symbol
DesignationFunction
= SettingsSelect to make settings in the TV menu. The following functions can be switched
on/oM or conNgur
ed:
= Channel Nx
= Country-speciNc character set
= Audio language
= Subtitles
= Teletext
= Picture format


To play back audio Nles using t he multimedia
system, authorise the external data storage
medium on the MBUX multimedia system.
Authorising a new Bluetooth n
audio de
vice
Select Connect new device. 
Select an audio device.
A

uthorisation starts. A code is displayed on
the multimedia system and on the mobile
phone. 
If the codes are identical, conNr
m on the
audio equipment. 
Select Only as Bluetooth audio device .
The Blue
toothn
audio equipment is connected
with the multimedia system.
Connecting previously authorised Bluetooth n
audio eq
uipment 
Select a Bluetooth n
audio de
vice from the list.
The connection is being established. Receiving TV channels in HD quality
*
NOTE Damag
e to the CI+ capable CA
module (Conditional Access module) and
the Smart Card due to sustained high
heat The CI+ capable CA module is designed for
home use. The CI+ capable C

A module can
overheat and be damaged at continuously high
outside temperatures. 
Make sure that the CI+ enabled CA mod-
ule is no

t exposed to prolonged high
temperatures.
If the CI+ capable CA module is dam-
aged, no encrypted channels can be
received. %
The CI+ module is not available in all coun-
tr

ies.
A CI+ module (CA module), which is not included
in t
he scope of delivery, is used to decrypt HD
programmes according to the CI+ standard. In some countries, an additional smart card is
r
equired, which is inserted into the CI+ module
(see the manufacturer's operating manual).
The CI+ module is connected in the CI+ box in the
glove compartment. 
To insert the smart card in the CI+ module: if
r
equired (country-dependent), insert the
smart card into the CI+ module slot.
% The CI+ box is designed for operating temper-
atur

es between 0 °C and 65 °C. At operating
temperatures that are higher or too low a
message appears in the multimedia system
and the CI+ module is switched oM automati-
cally. If the CI+ module is switched oM, no
encrypted channels can be received. 360
MBUX multimedia system

Overview of the symbols and functions in the radio menu
Symbol
DesignationFunction
© HomeSelect to return to the home screen.
L MessagingSelect to call up messaging.
û/ü Skip forwards/back Select to skip to the next or to the previous station.
= SettingsSelect to have further options shown. Settings can be made to the following additional
functions, f
or example:
= Navigation and traPc announcements
= Frequency Nx function
= Radio additional text
= Emergency warnings
The setting options are country-dependent.
 Full screenSelect to switch to the DAB slide show.
This function is no

t available in all countries.
c Silent functionSelect to switch oM t
he sound.
t Store radio stations Select to save a station in the presets. MBUX multimedia system
361

Symbol
DesignationFunction
 Station listSelect to have the station list shown.
ª SearchSelect to search in the active menu. You can search for artists, genres or moods, for
e xample. Additional functions of TuneIn radio
%
A relatively large volume of data can be trans-
mitt
ed when using TuneIn radio. Symbol
DesignationFunction
= SettingsThe following additional settings are available in
t

he TuneIn radio menu:
= Selecting stream
= Logging on to or out of the TuneIn account

Symbol
DesignationFunction
6/8 Play/PauseSelect to start, stop or continue playback.
5 BrowseSelect to choose a category and then a radio sta-
tion. Depending on the frequency band selected,
diMer -
ent functions are available to you.
Select the desired frequency band in the radio
menu head runner. Calling up TuneIn Radio
Requirements:
= A Mer

cedes me account is available.
= The vehicle is connected with the Mercedes
me account.
= The TuneIn Radio service is activated in the
Mercedes me Portal.
= The data volume is available.
Depending on the country, data volume may
need to be purchased. =
A f
ast Internet connection for data transmis-
sion free of interference.
% Data volume can be purchased dir
ectly from
a mobile phone network provider via the
Mercedes me Portal.
% The functions and services are country-
dependent. F

or more information, consult a
Mercedes-Benz service centre.
Multimedia system: 4 © 5
Radio 
Select TuneIn Radio .
The T
uneIn menu appears. The last station set
starts playing.
% The connection quality depends on the local
mobile phone r
eception. Sound settings
Overview of functions in the sound menu
The setting options and functions available
depend on t

he sound system Ntted. You can Nnd
out which sound system is Ntted in your vehicle in
the Digital Owner's Manual.
Standard sound system and Advanced sound sys-
tem
The following functions are available:
= Equaliser
- Treble, mid-range and bass
= Balance and fader
= Volume:
- Automatic adjustment MBUX multimedia system
363

Burmester
n
sur round sound system and
Burmester n
high-end 3D surround sound system
The following functions are available: = Equaliser
- Treble, mid-range and bass
= Balance and fader
= Sound focus
= VIP seat (Burmester n
high-end 3D surround
sound system only)
= Sound proNles
= Volume:
- Automatic adjustment 364
MBUX multimedia system

ASSYST PLUS service interval display
Function of the ASSYST PLUS service interval dis-
pla
y The ASSYST PLUS service interval display on the
ins
trument display informs you of the time or dis-
tance remaining before the next service due date.
You can hide this service display using the back
button ( on the steering wheel.
Depending on how the vehicle is used, the
ASSYST PLUS service interval display may shorten
the service interval, e.g. in the following cases:
= Mainly short-distance driving
= When the engine is osen les idling for long
periods
= In the event of frequent cold start phases
= Vehicles with a diesel particulate Nlter: in the
event of frequently interrupted regeneration of
the diesel particulate Nlter
Mercedes-Benz recommends avoiding such oper-
ating conditions. You can obtain information concerning the servic-
ing of y

our vehicle from a qualiNed specialist
workshop, e.g. a Mercedes-Benz service centre. Displaying the service due date
On-board computer:
4 Service 5
ASSYST PLUS
The ne

xt service due date is displayed. 
To exit the display: pr
ess the back button
( on the steering wheel.
Bear in mind the following related topic:
= Oper

ating the on-board computer
( page 311). Information on regular maintenance work
*
NOTE Pr
emature wear through failure to
observe service due dates Maintenance work which is not carried out at
t
he right time or incompletely can lead to
increased wear and damage to the vehicle. 
Adhere to the prescribed service inter-
v
als. 
Always have the prescribed maintenance
w

ork carried out at a qualiNed specialist
workshop. Notes on special service requirements
The prescribed service interval is based on nor-
mal oper

ation of the vehicle. Have the mainte-
nance work carried out more osen than prescri-
bed if operating conditions are diPcult or the
vehicle is subject to increased stress.
The ASSYST PLUS service interval display is only
an aid. It is the responsibility of the driver of the
vehicle to have maintenance work carried out
more osen than prescribed due to actual operat-
ing conditions and/or stresses.
Examples of arduous operating conditions:
= Regular city driving with frequent intermediate
stops
= Mainly short-distance driving Maintenance and care
365