MB ELV Emulator isnewly released adapter can Renew ESL for 204 207 212, work with MB FOR key programmer., the same functionwith ELV Emulator with cheaper price. Most W204 W207 W212 W211 ESL damage with EIS. In this case, there are two possible reasons and solution:ESL motor is damaged and need to replace a new motor; chip is locked, theoretically it can be unlock, actually it needs to replace new ESL. For 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.