mb c4 star sd diagnostic tool without hdd works on 12v 24v for car and truck with wifi

sd connect 4 Descriptio is the professional diagnostic equipment for cars manufactured, it is the replacement of HHT. operates based on the Windows 7 system reading the real-time data of sensor and actuator; testing the components of cars; coding and programming. All electric system Diagnostic; (Do not include flash code); 3. Reading out and erasing trouble code; 1989~up to now Car, Bus, Truck, Sprint, Smart; (support:W204,W212,W207) 2. 2. All electric system Diagnostic; (Do not include flash code); 3. Reading out and erasing trouble code; reading the real 1..syi