How often should I clean my K&N air filter?

K&N recommends cleaning your filter every 50,000 miles, depending on driving conditions. If you drive in dusty or off-road conditions, you may need to clean it more often. Use a K&N filter cleaning kit to properly clean and re-oil the filter.

Does this filter come pre-oiled?

Yes, this K&N air filter comes pre-oiled and ready to install. You do not need to oil it before installation. Be sure to use K&N filter oil when you clean and re-oil the filter.

What is the warranty on this K&N air filter?

This K&N air filter is backed by K&N's No-Hassle Lifetime Limited Warranty. This means that K&N will replace the filter if it is defective in material or workmanship. The warranty does not cover damage caused by misuse or improper cleaning.

K&N 21-22 Mercedes-Benz C300 2.0L L4 Replacement Air Filter

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K&N Engineering

K&N 21-22 Mercedes-Benz C300 2.0L L4 Replacement Air Filter

Name: K&N 21-22 Mercedes-Benz C300 2.0L L4 Replacement Air Filter
Brand: K&N Engineering
Price: 68.99 USD
Availability: InStock

$68.99

Washable and reusable air filter. Drop-in replacement for your factory air box.

Key Features

Washable and reusable — saves money and reduces waste
High-flow design — allows more air into the engine
Direct drop-in replacement — installs easily into your factory air box
Oiled cotton media — captures contaminants

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Will this fit your vehicle?

Compatible with 17 vehicles

Need Help?

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Since 1957

Family-owned

Product Details

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!