MB SD C4
Here is how he did it:
1) Connect MB SD Connect C4 to laptop/PC
2) Install MB SD Connect software
3) Plug the MB SD C4 unit into the diagnostic socket
4) Select “Spriner 906?, then DAS will recognize that vehicle is VW LT3
5) Set Ignition Voltage to pin 8 of Diagnostic Socket. MB SD Connect will access VW ECU module. Here are the ECU modules that he accessed: Anti lock brake / ESP Heating/Air conditioning / Trailer module / Electronic Ignition switch Ezs / Instrument cluster / SAM Front / OBF/DBF / Radio/navigation, but not included engine controller.
6) He succeeded in doing coding, viewing live data etc of VW with the MB SD Connect C4 diagnostic system.
NOTE:
Although MB SD Connect C4 has been developed to diagnose VW vehicles, but its function are limited, can only do some simple coding, view live data etc. But can not perfect other functions.
If you are interested, please check the original post here:
http://www.auto-professionals.co.uk/showthread.php?tid=689