The K&N Drop‑In High‑Flow air filter for the 2021 Mercedes‑Benz A45 AMG (2.0L turbo) replaces the factory element for improved airflow and engine protection. Layered, oiled cotton media is washable and reusable to capture contaminants while helping increase horsepower. The filter installs into the factory air box, is engineered to last the vehicle's life, and is covered by K&N's No‑Hassle Lifetime Limited Warranty while reducing disposable filter waste.
K&N 2021 Mercedes Benz A45 AMG L4 2.0L Turbo Drop In Air Filter