How to Solve MB Star MB SD C4 Fault(1.2)-2.503.9901 Error

car diagnostic tool

Sometimes customer encounter such problems MB Star MB SD C4 Fault(1.2)-2.503.9901 Error , how to solve it? we will share  the method for you.

Firstly you need to make sure you set the ip address correctly.

If your computer is connected by wifi, but your device is connect by lan cable, so the ip address should be: 172.29.127.116

If your computer is connected by lan cable, but your device is connect by wlan cable, so the ip address should be:  IP address: 192.168.2.121, Network screen: 255.255.255.0

After you set well, so the computer will detect the device:

And then problems solved, you can use it again.

Top 9 Reasons To Get MB SD C4:

1.DELL HDD Support Wireless(WIFI) ,External HDD will not support WIFI.       
2.Software Version: 2017.9 Support HHT WIN too
3. Hardware Verison:  OS:2.3   CSD:2.11(Newest)
4. Supported Multi-Language: 
English/Bulgarian/Danish/Greek/Spanish/French/Italian/Korean/Polish/Romanuan/Serbo-Croatian/ Turkish/Czech/German//Finish/Hyngarian/Japanese/Dutch/Portuguese/Russian/Swedish/Chinese
5. Support both Mercedes Benz Cars and trucks.
6 with Free Vediamo V5.00.05(How to install? down the video 
7. How to activate xentry. das, epc/wis, follow this pdf
8 How to use wifi function, follow this video

9 Want to do online scn coding? buy this item together: SS99  Online SCN Coding for MB STAR SD C4