Genuine OEM Mercedes-Benz Starting Ignition Lock, part number A2229003412. This component is essential for initiating the vehicle's starting sequence by engaging the ignition system. It is typically located in the steering column assembly. The part has dimensions of 0.11m x 0.09m x 0.11m and weighs 0.209 kg. Genuine OEM ignition locks are crucial for ensuring the correct electrical contacts and mechanical engagement for a reliable start every time.