Get MBUX multimedia system -> System settings Guide for Mercedes CLA 4 Door Third Generation (2025-2026)

Select System.

Select Suggestions.

Select Z.

Switch the options on or o individually.

If an option is switched on and sucient data

has been gathered, personalized suggestions

based on your user behavior will be oered to

you on the zero layer. These are, for example,

navigation destinations visited, phone num-

bers dialed as well as suggestions based on

your music preferences.

To delete collected suggestions: select Î.

Select Yes.

The suggestions are reset.

Adding favorites from categories

Select ©.

Select ß.

Select r.

Select W Create New Favorite.

Select the category.

Select a favorite.

System settings

Overview of the system settings menu

In the system settings menu, you can make set-

tings in the following menus and control ele-

ments:

Display

Display brightness

Control elements

Keyboard language and handwriting recog-

nition

Sensitivity of Touch Control

Haptic operation for the touchscreen

MBUX voice assistant

MBUX Interior Assistant

Sound

Entertainment

Navigation and trac announcements

Telephone

Data protection

Connectivity

Wi-Fi, Bluetooth

, NFC

Time & date

Language

Units for distance

System PIN

Suggestions

Soware update

System reset

Overview of soware updates

Important soware updates may be necessary for

the security of your multimedia system's data.

Install these updates, or else the security of your

multimedia system cannot be ensured.

The multimedia system displays a corresponding

message when a soware update is available.

If the

Automatic Online Update option is active,

soware updates are downloaded automatically. If

the option is deactivated, you will be informed of

new soware updates once. The soware updates

are available for downloading for a limited period

of time.

236

MBUX multimedia system

Carrying out a soware update:

You can start soware updates via the com-

munication module.

You can start soware updates via a Wi-Fi hot-

spot.

You can start map updates from an external

medium.

Online soware updates cannot be performed

via external Wi-Fi hotspots that are encrypted

via TKIP.

If the WLAN hotspot requires logging in via

the browser, once the connection is success-

fully established the browser will open in

order to start the update. To start the down-

load follow the instructions in the browser.

To complete soware updates via the commu-

nication module, the vehicle must be connec-

ted with the Internet and a Mercedes me user

account.

To complete soware updates via Wi-Fi, the

vehicle must be connected to an external Wi-

Fi hotspot.

A soware update consists of three steps:

Downloading or copying of the data required

for installation

Installation of the downloaded soware

update

Activation of the downloaded soware update

It may be necessary to restart the MBUX mul-

timedia system aer completion of a soware

update.

While some soware updates are being down-

loaded, the multimedia system cannot be

operated and the vehicle functions may be

restricted.

Some soware updates require a safe vehicle

status for the installation to be completed.

They can only be carried out in a safely

parked vehicle with the vehicle switched o.

For soware updates requiring a safe vehicle sta-

tus: when the last installation step is reached, a

message appears on the media display aer the

vehicle is switched o. Follow the step-by-step

instructions on the media display to complete the

installation.

There are soware updates that can only be

installed when the vehicle is safely parked, there

are no more people in the vehicle and the vehicle

is locked.

Availability of the driver and media display

During the installation of soware updates, it is

not possible to use the vehicle, media display and

driver display. You may receive the following dis-

play message when an installation is running:

The display message does not appear every

time a soware update is installed.

In rare cases, an error can occur during the instal-

lation. The multimedia system automatically

attempts to restore the previous version.

MBUX multimedia system

237

If it is not possible to restore the previous version,

the display message shown above appears every

time the vehicle is started.

Failure of the driver display

If the driver display fails or there is a malfunction,

you may not recognize limitations in the functions

of systems relevant to safety or the speed display,

for example. The operating safety of the vehicle

may be impaired. Drive on carefully and have the

vehicle checked at a qualied specialist workshop

immediately (/ page 368).

Further information about soware updates can

be found at

Failure of the media display

If the media display fails or the display message

shown above is shown continuously, several sys-

tems such as the reversing camera, Parking Assist

PARKTRONIC or climate control are no longer

available. Drive on carefully and consult a special-

ist workshop as soon as possible.

Setting up a Wi-Fi hotspot

Requirements

The Wi-Fi function is activated on the multime-

dia system and the communication device to

be connected.

The communication device to be connected

supports at least one of the types of connec-

tion described.

The connection types shown depend on the

device to be connected. The function must be

supported by the multimedia system and by

the device to be connected. The type of con-

nection must be selected on the multimedia

system and on the device to be connected.

Some functions may rst need to be activated

on the communication device being connec-

ted. More detailed information can be found

in the manufacturer's operating instructions.

The use of the vehicle data tari by external

devices is not available in all countries.

Multimedia system:

Settings

System

Internet and Bluetooth

The availability of the functions is dependent

on the country.

Select Wi-Fi.

The controller is to the right: Wi-Fi is switched

on.

When the Wi-Fi function is switched on, you can

connect the multimedia system with external hot-

spots or make it available as a hotspot for external

devices.

When the Wi-Fi function is switched o, it is not

possible to establish a hotspot connection.

238

MBUX multimedia system

Depending on the vehicle equipment, you can

purchase a data package directly from a

mobile phone network provider via the

Mercedes me Store. To be able to use the

data package, you conclude a separate con-

tract with a mobile phone network provider

via the Mercedes me Store, which can be ter-

minated at any time and for which there are

no costs. This contract is a prerequisite for

using the services from the previously pur-

chased package. The availability of this option

is dependent on the country. If the data pack-

age option is not available or can be upgra-

ded, you can purchase data volume directly

from the mobile phone network provider for a

fee.

The use of the vehicle data tari by external

devices is not available in all countries.

Using the multimedia system as a Wi-Fi hotspot

Select MBUX Hotspot.

Select one of the following connection

options.

Connecting using a QR code

Requirement: an app for scanning the QR code is

installed on the device being connected.

Alternatively: the device being connected has an

integrated QR code scanner (see the manufactur-

er's operating instructions).

Scan the QR code shown.

The Wi-Fi connection is established.

Connecting using NFC

Activate NFC on the device to be connected.

When the NFC symbol is displayed in the

MBUX Hotspot menu, hold the device to be

connected to the NFC interface.

Follow the instructions on the device.

The Wi-Fi connection is established.

Connecting using a security key

Select the vehicle from the device to be con-

nected. The vehicle is displayed with the

MBUX XXXXX network name.

Enter the security key shown on the device to

be connected.

Conrm the entry.

Generating a new security key

Select the Generate New Security Key option

in the

MBUX Hotspot menu.

Conrm the prompt with Yes.

A new security key is generated.

A connection will be established with the newly

created security key.

When a new security key is generated, all

existing Wi-Fi connections are then discon-

nected. If the Wi-Fi connections are re-estab-

lished, the new security key must be entered.

Using a mobile communication device as a Wi-Fi

hotspot (tethering)

This function is country-dependent.

Select the Manage Internet Access option in

the

Internet and Bluetooth menu.

The Wi-Fi function on the mobile phone and

Internet access via Wi-Fi must be activated

(see the manufacturer's operating instruc-

tions).

Select Search for Access.

MBUX multimedia system

239

Select the network.

Select the mobile phone with the ö Wi-Fi

symbol.

With external Wi-Fi hotspots, which are

encrypted via TKIP, online soware updates

cannot be carried out via the external Wi-Fi

hotspot.

System language

▌Notes on the system language

This function allows you to determine the lan-

guage for the menu displays and the navigation

announcements. The selected language aects

the characters available for entry. The navigation

announcements are not available in all languages.

If a language is not available, the navigation

announcements will be in English.

▌Setting the language

Multimedia system:

Settings

System

Language

Setting the system language

A list of the available system languages is shown.

Select a language.

The system language is switched to the selec-

ted language.

Resetting the multimedia system (reset function)

WARNING Risk of accident due to failure

of central display functions

While the multimedia system is reset, its func-

tions, such as the rear view camera, are not

available.

Only reset the multimedia system when

the vehicle is stationary.

Requirements:

The vehicle is switched on.

The vehicle is stationary.

Multimedia system:

Settings

System

Reset

When resetting the system, personal data and set-

tings are deleted, for example:

Connected devices

Individual user proles

Biometric data

The data used and saved in the multimedia

system by the driver assistance systems is

deleted.

Select Reset.

A query appears asking if the system should

really be reset.

Select Yes.

The multimedia system is reset to the factory

settings. The multimedia system is restarted

aer the system reset.

240

MBUX multimedia system

Due to data protection, as well as the function

of individual driving systems and driving safety

systems, it is a requirement to carry out a

complete system reset before selling the vehi-

cle or transferring it to a third party, or aer

use as a hire car.

Navigation and trac

Notes on navigation

Route guidance with augmented reality

WARNING Risk of accident and injury as a

result of distraction, incorrect depiction or

wrong interpretation of the display

The camera image of the augmented reality

display is not suitable as a guide for driving.

Always keep an eye on the actual trac

situation.

Avoid extended observation of the cam-

era image.

WARNING Risk of accident and injury due

to imprecise positioning of additional

information

The additional information from the augmen-

ted reality display may be inaccurate and is

not a substitute for observing and assessing

the actual driving situation.

Always keep an eye on the actual trac

situation when carrying out all driving

maneuvers.

Switching navigation on

Multimedia system:

steering wheel on the right (/ page 228).

The zero layer with the digital map is dis-

played.

Navigation overview

Digital map

Navigation module (reduced view)

Route guidance active:

The navigation module shows the information

relevant to the route in the zoomed-out view,

e.g. the destination or a trac delay

MBUX multimedia system

241

MBUX multimedia system -> System settings for Your Mercedes CLA 4 Door Third Generation (2025-2026)

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