Genuine OEM Mercedes-Benz Ignition Switch, part number A2469054903. This switch is responsible for initiating the vehicle's starting sequence and powering various electrical components. It is typically located within the steering column assembly. The part weighs 0.137 kg and has dimensions of 0.11m x 0.09m x 0.09m. Genuine OEM ignition switches are crucial for ensuring the correct electrical signals are sent, preventing potential starting issues and electrical faults.