I am recommended to buy the “mb star c3” diagnostic tool to do my benz car; the following is what I know about it. Do you know more about it?

MB STAR C3 (Auto-Link Blue STAR) realizes all the functions of official factory BENZ Star2000: reading out and erasing trouble code; reading the real-time data of sensor and actuator; coding and programming. It applies the latest high-tech central gateway system of car model 221/211 and 203 with software version updated to 2010 March.
Mb star c3 compatible cars:
1989~up to now Car, Bus, Truck, Sprint, and Smart.
Mb star c3 version:
One version fit IBM T30 Laptop
Another version fit all kinds of computers
Mb star c3 hard disk and moveable hard disk:
At first, MB star c3 is only compatible with IBM T30, and the compatible hard disk was accordingly born. Later, another version MB star c3 that fit all kinds of computers come into being, moveable hard disk also comes out, but the computer must have serial port.
Mb star c3 update:
Update by hard disk
Mb star c3 language:
MB Star C3 language available: English /Chinese /Italian /Swedish /Turkish /German /Russian /Spanish/ Korean/ Polish/French/ Japanese /Danish /Greek/ Portuguese/ Romanian /Russian
Mb star c3 using concern:
DAS Xentry, WIS, EPC are the software you need to operate in together with the MB

Do you have any other ideas? Is it good for doing my car?