Error reading CLK 320 W208 Bj.200 automatic

Hello guys I’ve got a diagnostic system for myself now AutoCom CDP+ functions almost 100% with my CLK 320 W208 Bj.2000 I have some problem. Check out the picture is the Ok the message assembly does not answer ! makes me somehow stubborn an error was found. The connection OBD II has not yet taken the interface MB in the engine room I have the cable to it. Can one more help me