The Mb Star C3 Pro is a diagnostic tool for Mercedes Benz cars, trucks, and other vehicles. It can diagnose issues from 1989 to current models, read and clear trouble codes, display live data, test components, and access maintenance information and diagrams. The C3 Pro has the latest 09/2011 software and supports diagnosing newer Mercedes Benz models including trucks. It comes with various cabling and accessories and allows diagnosis via a laptop connection. The tool retails for $368.88 and is available from the VTOOL AUTOMOTIVE ELECTRONIC CO. website.