Mb Star C3: It requires a laptop so that you can troubleshoot your Mercedes-Benz via Xentry software. While on paper it is slower than MB Star C4, it has proven to be a very reliable and robust scanner that is not plauged with WiFI connectivity issues like the Star C4.
MB Star C4 is the latest Mercedes-Benz wireless multiplexers that can connect to your PC via wireless connection. Being the latest Diagnostic Scanner for Mercedes-Benz it works faster, once you resolve any connectivity issues that is.
MB STAR C5 provides complete diagnosis for newest hybrid W222,with a qualitative improvement in hardware and software by authorization of diagnostic interface to control the software,it will allow you to work on windows xp, win7/8/10 system.
MB STAR C6: VXDIAG For XENTRY Diagnosis VCI is the latest interface for For Mercedes & SMART vehicles can replace Star C4/C5. VXDIAG For XENTRY Diagnosis VCI acts as a Pass-through Interface, also called Star C6, For Benz C6 multiplexer to provide complete communication between a vehicle and the VXDIAG For XENTRY software loaded on a PC.