How to program the Mercedes-Benz W204, W207, and W212 emulator key with the Xhorse VVDI MB BGA Tool? Read this article to learn. Procedure Connect MB Tool & ESL/ELV Emulator to the dashboard. Open VVDI MB Tool Software, Select Chassis: W172, 204, 207, 212(with ELV) Click "Read EIS data". Click "Get" to erase the password. Save EIS data.