XHORSE ELV Emulator Fit For Benz 204 207 212 Work with VVDI MB Tool. How to replace ESL with VVDI MB BGA Tool?. 1pc x Xhorse ELV Emulator. In this case, there are two possible reasons and solution Note: if you not erase ESL at first, but only personalize ESL, the ESL won’t be synchronized.