MB SD Connect C4 Software Problems and Solutions

V2021.3 software works with MB SD Connect Compact 4 for the latest Mercedes Benz cars and trucks, incl. new car of B 246, CLS 218, SLK172, etc. Have collected some common errors received from customer recently, and offer the corresponding solutions here.

Error 1: When you run 2020.03 Xentry software with MB SD C4, the following error will be reported “The data are faulty” and cannot do any function.

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Solution offered by obd2tool.com engineer:
Caused the error reason: Click the upgrade icon as shown in the figure below.

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The solution:
1. Please don’t click the upgrade icon, otherwise it will update.
2. Change the file name “AddOnCenter.exe” to “AddOnCenter.ex_”, then it will not update automatically. After modifying, restart the computer.

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3.Free download the following link to fix.
Xentrypatch202003: https://share.weiyun.com/5uIxwgI
Password: eswr9a
Size: 2GB
Security: No risk!
4. After installing the Xentry patch to fix the error, please restart the computer and run Xentry software again.

For your convenience, here is the video of how to fix “The data are faulty” for 2020.03 MB SD Connect C4 software:

Note: The solution above is suitable for 2019.12 Xentry software “The data are faulty” error as well. But the Xentry patch download link is different.

Xentrypatch2019.12: https://share.weiyun.com/5dLTPWG
Password: mlpnqm
Size: 2.02 GB
Security: No risk!

Error 2: When running the file “C:\Program Files\Mercedes-Benz\Xentry\bin\XDConfig\set_SDconnect.bat”, the error message prompts “it may not have been possible to find the file”.

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Solution offered by obd2tool engineer:
Please follow the steps below to operate:
1.Press “WIN+R” keyboard shortcuts to open the run window
2. Enter “Services.msc” in the textfield to start the Configassist service

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Please kindly notice:
V03.2020 MB SD Connect C4 software cannot support online programming. Please choose software version before 2019.12, such as 2019.09.

To be continued…