Steering Wheel Column Lock Simulator Emulator for W204 W207 W212 W176 ELV Is A Self-occurring Mechanical Failure In Steering Column Lock. The Occurrence Of Fault Does Not Depend On Any Fault. In Case Of Malfunction, Even If There Is No Problem In Vehicle Key, The Working Key Not Start Vehicle Because ELV Steering Column Lock Not Be Activated. In This Case, A New ELV Steering Column Lock Must Be Installed In Vehicle And Programmed Into Vehicle. MB W204 Esl Emulator Behavior: LED behavior: Green LED: SCL is Unlocked Red LED: SCL is Locked Sound Behavior:Unlocking sound is played when SCL is Unlocked Note:Due to frequent replacement of outer packaging of manufacturer, please refer to actual product for details, but functions are same Colour:Photo Color Material:plastic Package Contents: 1 x ESL ELV Steering Lock Emulator Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.