For the functions, the Mb Star C3 and MB Star C4 are almost the same, they all have 2 version for the hardisk, one is for IBM T30 laptop, and the other is fit for all the computer. The software is all included on the hardisk, it is ok that you just install the software on your computer.
But for the anti-interrupting ability,c4 is stronger than c3. it means when c4 tests cars. It is hard to influence by the environment outside, such as magnetic field ,noise and so on. From the appearance, the volume of c4 is smaller than c3.
In short, they are almost the same good quality and functions, it is up to you to choose which one is your best wanted.
MB Star C3 Advantages:
MB Star C3, being born earlier in market than benz star c4, has a better performance, usually it will not happen to be poor connected or work stably during operation. Because of MB Star C3 good performance, an increasing number of customers select MB Star C3 be their professional diagnostic equipment for Mercedes Benz cars. Why MB Star C3 is so well-received by thousands of users, its technology and quality is developed after lots of experiments and improvement. The new version MB Star C4 need time to perfect its reliability and operation.
MB Star C4 Advantages:
The great performance of MB Star C3 is agreed by the market, while MB Star Compact-4, as a new-born and updated tool of C3, it also own its comparative advantages.
MB Star C4, manufactured after year 2000, is the lately updated professional diagnostic equipment for Mercedes Benz cars. It is much difference in the shape from Compact3 and smaller in size, lighter in weight than Compact3. C4 2008 can do all the works what Compact3 does and it is the replacement of Compact3-Star.
The ATEQ VT55 universal trigger tool is a hand-held tool to activate tire pressure monitoring system (TPMS) sensors via a vehicle?s OBDII port and is available exclusively at Shop TPMS. Designed for daily, high volume use, the VT55 has a rugged ABS body and rechargeable battery.
The tool is equipped with the latest advanced stream decoding technology and can trigger and decode sensors much faster and more accurately than previous generation devices by simply selecting a vehicle manufacturer and testing. Compatible with all currently known TPMS sensors, its built-in, upgradable synchronization software keeps the tool updated with all newly introduced TPMS sensors. Use the included USB cable hooked to your PC and walk through the on-screen prompts to download the data.