Mercedes MB SD Connect C4 vs. MB Star C4 Star diagnosis

What’s the difference between Mercedes Benz Star diagnosis MB SD Connect C4 system and MB Star C4 multiplexer? Major differences lie in following ways:

1.Protocol

2.Connection

3.Software HDD format

4.Battery

5.Support latest software

Check the detail here:

Item	MB SD Connect Compact 4	MB Star Compact 4
Item No	SP100-D/SP100-B	SP06
Image
Protocol/Complaint	K-Line, CAN BUS, UDS	K-line, CAN BUS
Connection	WIFI and LAN cable connection	Cable connection
Software HDD format	Dell D630 HDD, External moveable HDD (NO T30 HDD)	IBM T30 HDD, Dell D630 HDD, External moveable HDD
Battery	Need to install battery Battery configuration 6 Ni-MH Rechargeable batteries, Size: AA, Voltage: 1.2V, Capacity: above 1700Ma	NO need to install battery, directly connect vehicle via OBD plug
Compatible latest software	2015.7 XENTRY/DAS…	2015.5 XENTRY/DAS…
NOTE	1. Both SD Connect 4 and Star C4 multiplexer support 12V and 24V cars & trucks. 2. For newer Mercedes-Benz E212, 206, 222 model etc, you need Star diagnostic SD Connect Compact system.

This is from obd tool website technical support: 

Mercedes MB SD Connect C4 vs. MB Star C4 Star diagnosis