Xhorse VVDI MB BGA Tool is used for key reading and writing,EIS tools,password calculation,key file preparing,ESL tools,ECU/Gearbox renew and many special functions. It supports all key lost for W204, W207,W166, W246, W212, W212(old), some W216, W164 2009-, W210 (newly add) etc and free update online lifetime.