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

K&N recommends cleaning your filter every 50,000 miles for normal highway use. Depending on your driving conditions, you may need to clean it more often. Inspect the filter regularly for excessive dirt buildup.

Do I need to oil the filter after cleaning?

Yes, K&N air filters use a special oil to help trap dirt particles. After cleaning, you must re-oil the filter with K&N filter oil to maintain its filtration efficiency. Refer to the instructions included with the cleaning kit for proper oiling procedures.

What is the warranty on this air filter?

This K&N air filter is backed by K&N's Million Mile Limited Warranty. This means K&N warrants that the filter will perform for one million miles, assuming proper cleaning and oiling according to K&N's recommendations.

K&N Replacement Unique Air Filter for 2009-2014 Mercedes-Benz C/CLS/E/GLK/ML/S/SLK Class Diesel

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K&N Engineering

K&N Replacement Unique Air Filter for 2009-2014 Mercedes-Benz C/CLS/E/GLK/ML/S/SLK Class Diesel

Name: K&N Replacement Unique Air Filter for 2009-2014 Mercedes-Benz C/CLS/E/GLK/ML/S/SLK Class Diesel
Brand: K&N Engineering
Price: 157.99 USD
Availability: InStock

$157.99

Washable and reusable air filter. Designed to increase airflow and horsepower.

Key Features

Washable air filter — clean and re-oil for extended use
Oiled cotton gauze media — traps dirt and debris
Designed to increase horsepower — more airflow to the engine
Direct drop-in replacement — installs in the factory airbox
Million Mile Limited Warranty — K&N stands behind their filters

⚠️ 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

Fits these vehicles

Mercedes-Benz E250 2014-2015
Mercedes-Benz GLK250 2013-2015

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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 10-Year/Million Mile 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!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!