Precautions for using old C4 device

Problem:

A few years ago, I purchased the Mb SD Connect C4 device and its accompanying software from your website. Recently, however, I have encountered an issue where the software is unable to read the device. I have tried troubleshooting on my end, but unfortunately, I have not been able to resolve the problem.

Reply:

After confirming with our engineer, the problem not occur on software, it’s hardware problem, you need to install dry battery and upgrade firmware.

Here is method to solve this problem:

Feedback: Good Morning , my problem got resolved, Thank you so much.

More request,welcome to contact us directly: [e-mail]

MB SD C4 ‘Unknown Toolkit COM Server Error 801’ Solution

Problem:

I have a problem with MB SD C4 DoIP multiplexer. When i open the SD connect Toolkit, an error occurred.

“Unknown Toolkit COM Server error 801” May I ask how to solve this problem.

Free download error 801 bin file here

https://mega.nz/file/udxC0T4I#Cu5bFZ2CaOHiN6x-oVxrrhfnyS2eDXHUGmIl-YC_RO0

Then replace this bin file in C:\Program Files (x86)\Mercedes-Benz\SDconnect Toolkit

Then Open “TkAdministration” to run an firmware upgrade.

How to Update MB SD C4 Plus DoIP Firmware without Battery?

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