The Genuine Mercedes Steering Knuckle Bolt - 0029906403 is a high-quality, durable bolt designed specifically for use in Mercedes vehicles. It is used to secure the steering knuckle to the wheel hub and helps to ensure proper alignment and steering control. This bolt is made from premium materials and is manufactured to strict Mercedes standards, ensuring a perfect fit and reliable performance. It is an essential component for maintaining the safety and functionality of your Mercedes vehicle.