MicronAir Carbon Cabin Air Filter, Mercedes-Benz C-Class (W203) 2001-2012 requires 1 filter and CLK-Class (W203) 2003-2012 requires 1 filter. Traps Offers the same filtration as the particle filter plus the added protection of carbon for odors and smells. Traps Harmful pollutants before they reach your vehicle's interior and provides cleaner air for allergy and asthma sufferers. Vehicle manufacturer recommends filter be changed every 6 to 12 months.
