K&N parts matching Mercedes Benz A21120940604 air filter

The Mercedes Benz A21120940604 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Mercedes Benz air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Tom Blankinship, Arlington Heights, Illinois
Been using your products for many years. Never have a problem. Clean and oil the filters as needed. Everything is great!
Wes, Kentucky
Ordering directly from K&N was easy and the most cost effective. Filters fit perfectly in my C300. They were head and shoulders better quality than even OEM filters.
Mark Oltman, Colorado
As usual, excellent product. Immediate difference noted in performance. Will always be a K&N customer!
33-2181 K&N 33-2181 Replacement Air Filter
List Price: $76.89
Your Price: $49.99