2025-2026 Mercedes G Class SUV MBUX Voice Assistant User Manual
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MBUX Voice Assistant for Your Mercedes G Class SUV Fifth Generation (2025-2026)

MBUX Voice Assistant
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Notes on operating safety
399
Operation 400
Using MBUX Voice Assistant effectively 403
Essential voice commands 405
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Notes on operating safety
FOR YOUR OWN SAFETY, ALWAYS OBSERVE THE FOLLOWING POINTS
WHEN OPERATING MOBILE COMMUNICATIONS EQUIPMENT AND ESPE‐
CIALLY YOUR VOICE CONTROL SYSTEM:
R
Observe the legal requirements for the country in which you are driving.
R
If voice control is used in an emergency situation, commands may be
less easily recognised due to a change in voice.
R
Familiarise yourself with the voice control system functions before start‐
ing the journey.
%
The voice control system does not replace the Owner's Man‐
ual.
The answers from the voice control system do not provide the
complete scope of information contained in the Owner's Manual.
The voice control system also does not give detailed warning or
damage information. Therefore read the Owner's Manual so that
you are fully informed about the functions and the safe operation
of the vehicle.
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Operation
Function of the MBUX Voice Assistant
You can watch an animation on this topic via the following link:
Using the MBUX Voice Assistant, vehicle functions and various areas of the
MBUX multimedia system can be operated by voice input, e.g. Navigation or
Telephone. The MBUX Voice Assistant is operational about half a minute after
switching on the vehicle and can be operated from all seats (depending on the
special equipment).
Conducting a dialogue
Requirements:
R
Voice activation is activated in the multimedia system (/page401).
STARTING A DIALOGUE
#
Say Hey Mercedes to activate the MBUX Voice Assistant.
or
#
Press the £ button on the multifunction steering wheel.
A wave appears in the MBUX multimedia system. The dialogue can be
started.
For the dialogue with the MBUX Voice Assistant, you can use complete senten‐
ces of colloquial language as voice commands. Voice activation can also be
combined directly with a voice command, e.g. Hey Mercedes, how warm is it
outside?
INTERRUPTING THE DIALOGUE
#
During the dialogue say Pause.
The dialogue is interrupted.
#
Say Hey Mercedes to continue the dialogue.
CHANGING DIALOGUE LEVEL
#
During the dialogue, say Back.
The MBUX Voice Assistant jumps back to the previous dialogue step.
NAVIGATING IN THE SELECTION LIST
If a voice command does not achieve a clear result, a selection list is shown.
#
Say the line number or the content to select an entry or to have further
details shown.
#
Say Next page or Previous page to browse the selection list.
CALLING UP HELP
#
Information on the MBUX Voice Assistant: call up the following app in
the multimedia system:
Hey Mercedes Info.
#
Current application: say Help.
You will receive suggestions and information about operation of MBUX
Voice Assistant for the current application.
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#
Specific function: call up the voice command for the required function,
for example with Hey Mercedes, I need help with the radio.
#
Digital Owner's Manual: say Show me the Owner's Manual.
The full extent of the Digital Owner's Manual is available on the media
display when the vehicle is stationary.
Overview of the operable functions of the
MBUX Voice Assistant
YOU CAN USE THE MBUX VOICE ASSISTANT TO OPERATE THE FOLLOW‐
ING FUNCTIONS DEPENDING ON THE VEHICLE EQUIPMENT:
R
Telephone
R
Text message and e-mail
R
Navigation
R
Radio and media
R
Vehicle functions
R
Online functions
Full functionality of the voice control system is only available for you with
activation of online voice control (/page401).
Information on the language setting
You can change the language of the MBUX Voice Assistant via the system
language settings (/page431). If the set system language is not supported
by the MBUX Voice Assistant, English will be selected.
Setting functions of MBUX Voice Assistant
using the multimedia system
Multimedia system:
4
©
5
Settings
5
System
5
Voice assistant
SWITCHING VOICE ACTIVATION OF MBUX VOICE ASSISTANT ON OR OFF
#
Select Hey Mercedes.
When the function is active, the Hey Mercedes voice command can acti‐
vate the dialogue.
SWITCHING DIRECT COMMANDS ON OR OFF
#
Select Z.
#
Activate or deactivate the function.
If the function is active, some commands can be used without saying
Hey Mercedes, for example Next track.
SWITCHING VOICE ACTIVATION FOR INDIVIDUAL SEATS ON OR OFF
#
Select Z.
#
Switch the function for the desired seats on or off.
SWITCHING PROACTIVITY ON OR OFF
#
Select Proactivity.
#
Select the desired situation, e.g. Activate your profile or Don't forget your
phone
.
When the function is active, the voice assistant proactively provides
information in specific situations.
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ACTIVATING OR DEACTIVATING ONLINE VOICE CONTROL
%
Online voice control is activated at the factory.
#
Select Online recognition.
#
Activate or deactivate the function.
If the function is switched on and a Mercedes-Benz user account is
linked to the vehicle, additional results are available through external
information, e.g. information on points of interest. By clicking the symbol
in the wave, more information about the online voice control can be
displayed.
ACTIVATING OR DEACTIVATING CONTACTS FOR ONLINE USE
#
Select Contact upload for online recognition.
When the function is active, contacts will be found more easily and
accurately using voice input.
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Using MBUX Voice Assistant effectively
Notes on optimum use of the MBUX Voice
Assistant
R
The MBUX Voice Assistant is operational half a minute after switching on
the vehicle and can be operated from all seats, depending on the equip‐
ment installed. The system recognises from which seat the command
was spoken and performs actions according to the seat position.
R
When a dialogue is ended, the MBUX Voice Assistant continues to be
active for as long as the wave is displayed in the multimedia system. You
can say another voice command without saying Hey Mercedes.
R
Using the direct command Change language to English, the system lan‐
guage can be changed to English without Hey Mercedes. Direct com‐
mands must be activated for this.
R
If a user profile has been stored and is active, the MBUX Voice Assistant
can make suggestions based on the habits of the user.
Say Hey Mercedes, load my personal profile, to activate the profile. The
user's voice must first be taught in by the system and assigned to a
profile.
Further information on user profiles (/page418).
R
With the MBUX Voice Assistant, incoming calls can be accepted or rejec‐
ted without the keyword Hey Mercedes.
Information on the MBUX online voice assis‐
tant
The online voice control facilitates recognition and thanks to external informa‐
tion makes additional results available.
Therefore, Mercedes-Benz recommends that you activate online voice control
(/page401).
You will need a Mercedes-Benz user account for this. If you do not yet
have a user account you must create one and connect it with your vehicle
(/page521).
Then call up your Mercedes-Benz user account. The Mercedes-Benz Digital
Extras are displayed and can be activated (/page521).
By clicking on the symbols displayed in the wave, further information on the
online status is displayed.
WHEN ONLINE VOICE CONTROL IS ACTIVE, ADDITIONAL FUNCTIONS ARE
AVAILABLE SUCH AS:
R
Weather
R
General knowledge
R
Public holidays and school holidays
R
Smart home
R
Messages
R
Time, date and time zones
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Pocket and currency calculator
R
Football results and fixture lists
R
Share prices
R
Calendar
R
ChitChat
R
Horoscope
R
Geo Quiz
R
Giving feedback
%
The availability of these functions is country and equipment-
dependent.
%
Text content is taken from Wikipedia in accordance with the CC
BY-SA 3.0 licence.
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Essential voice commands
Notes on voice commands
You can watch an animation on this topic via the following link:
It is not necessary to use exact voice commands to call up a specific function.
The MBUX Voice Assistant also understands you when you use your colloquial
speech. Some examples are listed below. For some languages however these
examples are only available to a limited extent.
EXAMPLES OF VOICE COMMANDS:
R
Navigation (/page405)
R
Telephone (/page405)
R
Radio and TV (/page406)
R
Media player (/page406)
R
Messages (/page406)
R
Vehicle functions (/page406)
R
Online functions (/page407)
Examples of navigation voice commands
You can operate the navigation system using the MBUX Voice Assistant. The
following list offers just a small selection of the possible navigation com‐
mands. You will receive additional suggestions if you say Help for navigation.
R
Drive me home.
R
Where is the nearest service station?
R
Is there a service area along the route?
R
Set Covent Garden as intermediate destination.
R
Cancel the route guidance.
R
Show my last destination.
R
I want to buy juice.
R
Search for an Asian restaurant, but not Japanese, in South London.
Examples of telephone voice commands
You can operate phones connected with the MBUX multimedia system using
the MBUX Voice Assistant. The following list offers just a small selection of the
possible telephone commands. You will receive additional suggestions if you
say Help for phone.
R
Call Peter Miller on the mobile phone.
R
Dial 0711 17 0.
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Call my father.
R
Accept call
R
Reject call
R
Search for the contact Peter Miller.
R
Switch to address book
R
Show me the incoming calls.
R
Switch phone
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Examples of radio and TV voice commands
Depending on the vehicle equipment, you can operate the radio and TV using
the MBUX Voice Assistant. The following list offers just a small selection of the
possible radio or TV voice commands. You will receive additional suggestions
if you say Help for radio or Help for TV.
R
Play the radio station Heart FM.
R
Next station.
R
Previous station.
R
Show me the list of radio stations
R
Save the station
R
What am I listening to?
Examples of media voice commands
You can operate connected media sources and online music using the MBUX
Voice Assistant. The following list offers just a small selection of the possible
media voice commands. You will receive additional suggestions if you say Help
for media or Help for player.
R
Play Michael Jackson.
R
Play "Yellow Submarine' by the Beatles.
R
Next track.
R
Previous track.
R
Repeat this track.
R
Switch on random playback.
R
Mute the music.
R
Switch to USB.
Examples of message voice commands
Messages can be created, edited and listened to using the MBUX Voice Assis‐
tant. The following list offers just a small selection of the possible message
voice commands. You will receive additional suggestions if you say Help for
messaging.
R
Write a text message to Jane Doe: When will the next meeting take place?
R
Show me my new e-mails.
R
Write an e-mail to Jane Doe.
R
Read me my new text messages.
R
Show all new text messages.
R
Write an e-mail to John Doe in English
Examples of vehicle voice commands
You can operate vehicle settings and vehicle functions using the MBUX Voice
Assistant. The following list offers only a small selection of possible vehicle-
specific voice commands and depends on the vehicle equipment and the
language set.
%
If no seat is mentioned for commands, the action is carried out
automatically for the seat from which the command was spoken
or for the function which is closest to that seat.
R
Switch the seat heating to level 2.
R
My feet are cold.
R
Start the Refresh programme.
R
Switch the relaxation programme on.
R
I would like to set the ambient light to blue
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R
Switch on the reading lamp.
R
Turn off the rear light.
R
How fast can I drive here?
R
Tell me my next service appointment
R
How warm is it outside?
INFORMATION ABOUT THE VEHICLE CAN ALSO BE REQUESTED:
R
Information about individual items of the vehicle equipment
-
Hey Mercedes, which relaxation programmes do you have?
-
Hey Mercedes, do I have Blind Spot Assist?
-
Hey Mercedes, where is the warning triangle?
R
Information about functioning of the systems and components installed
in the vehicle
-
Hey Mercedes, what is DISTRONIC?
-
Hey Mercedes, what do I need ESP for?
-
Hey Mercedes, what is MBUX?
R
Information about operating the systems and components installed in
the vehicle
-
Hey Mercedes, how do I connect my smartphone?
-
Hey Mercedes, how can I turn on the main beam headlamps?
-
Hey Mercedes, how do I stop the ionization function?
You can also use the vehicle voice commands to directly operate the electric
mode vehicle functions.
R
"Display the energy flow."
R
"Switch to charging settings."
R
"Activate pre-entry climate control."
R
"Where is the nearest charging station?"
R
"How far can I still drive?"
R
"Set the departure time to tomorrow morning at 8 am."
Examples of online functions
Depending on the country, language and vehicle equipment, additional func‐
tions are available when online voice control is active. The system accesses
external information and can, as a result, answer general knowledge questions
and make calculations, for example.
R
Is the sun shining in Manchester?
R
Is it raining at my destination?
R
What are the skiing conditions on the Zugspitze?
R
What's the time in Sydney now?
R
In which country do you pay with dollars?
R
How many Swiss franks make 25 euros?
R
How long now until the holidays?
R
What day is it tomorrow?
R
What is 20 % of 29?
R
What does my horoscope say?
R
What is the price of Mercedes-Benz Group shares?
R
Let's play Geo Quiz.
R
I'm bored.
R
Who is the current prime minister?
R
What do you know about the Globe Theatre in London?
R
Who painted the picture "The Scream"?
R
What's the status in the Premier League?
R
Create a calendar entry tomorrow at 9 am.
R
What's my next task?
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R
Tell me a joke.
R
How many languages do you speak?
R
What is your favourite animal?
R
Are there any updates?
R
Is the light still on in the kitchen?
R
Switch off all the devices in my house.
R
Please set the temperature in the living room to 24 degrees.
R
I'd like to give you feedback.
Direct command examples
With direct commands, some functions can be operated without first saying
the voice command Hey Mercedes. To use direct commands, the function must
be activated in the multimedia system (/page401).
R
Next TV channel
R
Previous TV channel
R
Next radio station
R
Previous radio station
R
Next station
R
Previous station
R
Next track
R
Previous track
R
Start dashcam recording
R
Stop dashcam recording
R
Show the map
R
3D map
R
2D map
R
Align map to north
R
Align map in direction of travel
R
Show all routes
R
Show traffic
R
Navigate to work
R
Navigate home
R
Repeat driving instruction
R
Cancel route guidance
R
Change language to English
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