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

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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.
G-Class - Owner's Manual
MBUX Voice Assistant Operation
F465 0034 02
401
#
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.
G-Class - Owner's Manual
MBUX Voice Assistant Operation
F465 0034 02
402
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.
G-Class - Owner's Manual
MBUX Voice Assistant Operation
F465 0034 02

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