K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 2018-2020 MERCEDES BENZ (A160d, A180d, A200d, A220d, B160d, B180d, B200d, B220d, CLA, GLB), 33-3139

ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle. ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration; Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%. EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box; One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains. SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters. ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste; A K&N filter will last longer than 10 disposable filters.