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How to Set up MB SD Connect C4 WIFI

MB SD Connect C4 is an MB Multiplexer C4 Mercedes Benz diagnostic tool. Wifi / Wireless Mercedes Star Diagnosis MB SD Compact 4 Mux supports UDS chip. Many Benz MB Star Diagnostic SD Connect C4 system owners do not know… Continue Reading

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How to Fix Broken SDconnect C4 Voltage Issues

I have a broken SD Connect C4 on the bench and was asked to try to fix it. Without batteries inserted my bench power supply shows the set 13.8V and around 400 mAh. As soon as batteries are inserted the voltage… Continue Reading

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C4 SD connect does not load to the end

The essence of the problem is as follows – the C4 SD connect multiplexer stopped loading to the end and after the phrase “the device starts up” on the display it freezes, Accordingly, there is no connection with it. All… Continue Reading

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How to solve the problem of five icons appearing on the MB STAR C4/C5 display

There are five icon problems on the C4/C5 display Five icon problems appear on the MB Star C4/C5 display Connect 9V dry battery as shown Connect the OBD to the car Open the software C4/C5 management tool Update 00 01… Continue Reading

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How to solve MB Star C4 System Error(s)”2221-32″ Internet Error

MB Star C4 is professional diagnostic and program tool for Mercedes Benz cars, trucks, buses, support models from 1996 to 2018. Some of our customers meet the problem when using the Xentry 2018.12 software. We can help to share you how… Continue Reading

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MB SD C4 Firmware Update Manual

1. Prepare 6 common AA batteries of 5. Then install the battery by following the Manual of How to Install Battery for MB SD C4. (Notes: The batteries need to be new with fully charged.) 2. Connect the MB SD… Continue Reading

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MB SD C4 “00” Icon and Initialization Multiplexer Failed

Problem: I got the MB SD C4 Xentry and EVG7 tablet full kit.   EVG7 displays “00” icon on Toolbar.  Also failed to configure SD C4 main unit.  How can i fix it? Xentry Software displays error: Initialization of diagnosis multiplexer… Continue Reading

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How to Set Wifi Connection for Mercedes SD C4C5

Mercedes SD C4 is professional diagnostic and programming tool for Mercedes Benz cars and trucks. When you received the C4/C5 multiplexer, you may would like to connect it with wireless for works. OBD2TOOL here provide full steps to set the… Continue Reading