Mercedes W204 W207 W212 X204 ESL Electronic Steering Lock Emulator ProgrammingMercedes W204 W207 W212 X204 ESL Electronic Steering Lock Emulator Programming HOW IT WORKS: Purchase the product here. Remove your EIS and KEY from your car. Package the EIS and KEY safely in a padded box with the order print out. Once you receive the module, back, Just install and start the car. That's IT!! THE PROBLEM WE SOLVE: Steering Lock motor gears are worn out Keys turn but car will not start Key doesn't turn in the MercedesElectronic