POTAUTO MAP 4003C (CF9905) Activated Carbon Car Cabin Air Filter Replacement for MERCEDES BENZ, C230, C240, C280, C32, AMG, C320, C350, C55 AMG, CLK320, CLK500, CLK55, AMG, CLK550, CLK63 AMG Spec.: 12.99" (Length), 7.48" (Width), 0.98" (Height); Four-layer fabric (One Carbon Layer) ; Installation instructions included. Applications Where Used: Mercedes-Benz C230 08-02, C240 05-01, C280 07-06, C32 AMG 04-02, C320 05-01, C350 07-06, C55 AMG 06-05, CLK320 05-03, CLK350 09-06, CLK500 06-03, CLK55 AMG 06-03, CLK550 09-07, CLK63 AMG 09-07 (See Amazon Part Finder for fitments to your cars) Benefits: (1) Reducing at least 98% of these contaminants (Dust, Pollen, Exhaust Gas, Particles of 5-100 microns...etc.) from the air passing through the filter & entering the interior of the vehicle. (2) Activated carbon cabin filter provide extra protection by absorbingthe airborne agents & allergens. (3) Increase safety through reduced deposits in the fan or on the windscreen, and protect HVAC air conditioning performance. Competitor Cross Reference Part Numbers (for reference only, please check size): FVP F4118C, HASTINGS AFC1518, LUBER-FINER CAF7767, MAHLE LKK116S, MANN&HUMMEL CU3461, MERCEDES-BENZ 203 830 01 18, 203 830 09 18, MOBIL 1 CAF7767, PUROLATOR C35504C, STP CAF7767, TECNOCAR E397, TYC 800057P, MANN CUK 34 WIX 24118, 24686, FRAM CF9905 *** Change filter every 12 months or 12, 000-15, 000 miles. Check & replace filter if peculiar smell / odors emit from the cabin air outlets, or if the vehicle HVAC system operates with poor performance, or humming, or weak air volume. ***LEGAL DISCLAIMER: The Brand name & Model # (if listed) are for cross reference only. All Brands, Trademarks & Model Numbers remain the property of their respective owners.