Mercedes-Benz EIS Cloning Service | c-Class, E-Class, S-Class, and moreProfessional Cloning Service for Your Faulty Electronic Ignition Switch Backed by a 12 Month Warranty This is a Cloning Service You Must Send in Your Existing, faulty Unit AND a new unit for data transfer You are not purchasing a replacement ignition switch. This listing is a professional repair service for your faulty Mercedes Benz EIS. You MUST send us your faulty unit AND a new (donor) unit to transfer data onto. Common Symptoms of a Faulty