Ok, hab da was gefunden: www.mb-sd-connect.com/difference-between-mb-sd-connect-c4-and-benz-star-c3c4
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Many customers have no idea which is better and which to buy.So I want
to do something. Because of limited time, I only do a simple
contradistinction.
Benz star C3/C4 and MB sd connect 4 use same software now.
For the hardware, Benz star C3/C4 is same function in
diagnosing.SDConnect has UDS chip, so it can support UDS diagnose
protocol, not only support K-Line and CAN BUS.While star C3/C4 don’t
have this chip, so they can not support UDS.Bye the way, Benz star C4 is
almost benz star c3’s small box version.
Benz star C4 just can support Mercedes Benz cars manufactured after
year 2000. SDConnect can support all current and new coming MB vehicles.
As I know, Benz star c3 is more good at diagnose trucks. Then sd
connect is more stable then others. It is much stronger in
anti-interrupting ability.
The biggest difference is SDconnect can connect to PC by wireless or
Lan cable.It is much more convenient then Benz star C3/C4.
das hört sich erst mal plausibel an....