Cabin Air Filter 1668300218 fit for S205 C205 A205 W166 Cabin Filter. OEM NO. : 1668300218. Breathe fresher air: The Activated Carbon Cabin Filter captures pollen and fine dust, ensuring cleaner and more pleasant air quality in the vehicle. ‌Enhanced Performance‌: Pair with a new activated carbon cabin air filter to optimize airflow and support the efficient operation of your vehicle’s HVAC system. This contributes to improved vehicle performance and reduced environmental impact., Manufacturer: DGOINGPI