I have ordered a Mercedes Star C3 Diagnostic tool for 420$ two and half Months ago.After using the product for 3 weeks it stop working i contacted a Seller named Aaron Zhao and he agreed to have it sent it back and exchange it for a brand new one.I send it back in beginning of November Today is December 31 2010 and i still haven't received my product or my money he keeps making excuses that the chines sales people are slow and that i should wait and i have been for 2 months.Last message i received from him was that Technicians have solved... read full review »