Mercedes-Benz 400SEL Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Mercedes-Benz 400SEL air filter!

• Designed to Increase Horsepower and Acceleration
• High Air Flow with Excellent Filtration
• Top Performance Accessory for Mercedes-Benz 400SEL Models
• K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Mercedes-Benz 400SEL run better. Fast and FREE SHIPPING with any Mercedes-Benz 400SEL air filter