Mercedes Benz AC Filter for Mercedes Benz S-Class W221 2009-2013 The Mercedes-Benz AC Filter is an OEM part designed to ensure clean and fresh air inside your vehicle. It effectively removes dust, pollen, and other airborne contaminants, providing optimal air quality and comfort. Made from high-quality materials for durability and reliable performance, this filter is easy to install and helps maintain a healthy environment in your car's cabin.