The branch HKEYLOCALMACHINE SOFTWARE STAR DIAGNOSIS entries are: - Compact4 - HMS990 ON - HOTFIX - MULTISETUP 8. As new version of Mercedes Benz diagnostic tool,Super MB Star covers Benz cars from 1989, it support update in the end of customer side, no need to send it back or update through hard disk.super mb star works with more cars models than MB Star C3 and C4 do.