Genuine OEM Mercedes-Benz Starting Ignition Switch, part number A2059007121. This component is crucial for starting the vehicle's engine by completing the electrical circuit for the starter motor and ignition system. It is typically integrated into the steering column assembly. The part has dimensions of 0.11m x 0.1m x 0.11m and weighs 0.209 kg. Genuine OEM ignition switches are essential for ensuring the correct electrical connections and mechanical operation for a reliable and safe start.