How to update MB SD C4 Diagnostic Multiplexer

Here are the step-by-step instructions for updating the kernel software (operating system) on your Star Diagnosis MB SD Connect C4 multiplexer.
The kernel update of the SDconnect is similar to a regular software update via the Star Diagnosis system.

Step 1. Check battery if needed (only if related message is shown in the display)
When working on the vehicle or using an external power supply, the message “Batteries cannot be charged” may sometimes appear on the SDconnect display.
Note: The batteries had better be brand new to make sure of sufficient electricity.
Closing the Xentry Diagnostics/ Xentry DAS diagnostics application
When accessing a vehicle in Xentry Diagnostics or Xentry DAS, the following message appears

Exit the diagnostic application Xentry Diagnostics or Xentry DAS correctly to go on.

Step 2. Connecting the SDconnect to the Star Diagnosis system with the green cable

Step 3. SDnetControl
Start SDnetControl by clicking the deskband
Go to the “Connections” tab.
Check whether automatic selection via the cable connection is active

Go to the “Configuration” tab, and confirm the warning with “Yes”

Step 4. Software update

Go to the “MUX” tab in SDnetControl.
Click on the “Software update” button.

The “SDconnect Toolkit Administration” program will start.

Go to the “Software update” tab in the SDconnect Toolkit.
Your SDconnect is already selected on the left-hand side.
Select the “Software update” packet under “Files for software update”.
Click “Start” to start the process.

The update process will start. This takes approx. 4 minutes.
Step 5. Completing the installation
Confirm the successful completion of the update.
After a successful update, a message indicating the successful update completion appears.
Confirm the message by clicking “OK”.

Update not successful
If the update was not successful, the message “The software update was aborted. Please repeat the update process” will appear.
Confirm this message by clicking “OK”. Check the SDconnect batteries if necessary and repeat the update process.

The kernel update of the MB SD connect c4 is complete. The green cable can be removed.

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