MB ELV Emulator isnewly released adapter can Renew ESL for Benz 204 207 212, work with MB FOR Benz key programmer., cando the same functionwith Xhorse ELV Emulator with cheaper price. Most W204 W207 W212 W211 ESL will damage with EIS. In this case, there are two possible reasons and solution:ESL motor is and need to replace a motor; NEC chip is locked, theoretically it can be unlock, actually it needs to replace ESL. For Mercedes Benz W204 W207 W212 W211 Colour:Black Material:plastics Package Contents: 1 x ELV Emulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.