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
Linda, Texas
We always change out the OEM air filter for a K&N air filter. These (2) filters fit perfectly, a bit of a chore to replace, but well worth the peace of mind knowing our MB engine is getting the smooth, clean air flow it requires to run at peak performance. Highly recommend!
Mark Oltman, Colorado
As usual, excellent product. Immediate difference noted in performance. Will always be a K&N customer!
George Scannelli , New Jersey
Wow. Improved acceleration.
33-2181 K&N 33-2181 Replacement Air Filter
List Price: $76.89
Your Price: $49.99