MBE Engineering offers a unique solution for replacing ESL/ELV. If you have faulty motor or ‘fatal error’, simply take out the ELS/ELV and replace it with our EMULATOR BOX. New MIDI repair kit works perfectly smooth with W204, W207 and W212 Mercedes-Benz ESLs (electronic steering locks), this kit requires ESL/ELV Evo software. MIDI repair kit comes with EMULATOR box (token for Sonderhash website sold separately).