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165 Commerce Dr, Fairfield, CT, 06825

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Dealership Info

Phone Numbers:Sales Hours:
  • Mon - Thu9:00 AM - 7:00 PM
  • Fri9:00 AM - 6:00 PM
  • Sat9:00 AM - 5:00 PM
  • SunClosed
Service Hours:
  • Mon - Fri7:30 AM - 5:30 PM
  • Sat8:00 AM - 3:00 PM
  • SunClosed
Parts Hours:
  • Mon - Fri7:30 AM - 5:30 PM
  • Sat8:00 AM - 3:00 PM
  • SunClosed

How Often Do I Change My Cabin Air Filter?

Hand removing cabin air filter


Most auto industry experts and manufacturers recommend that your cabin air filter should be replaced every 15,000 miles. However, check your owner’s manual for model-specific service intervals, and you can also consult your local authorized service center to get recommendations based on driving conditions, driving habits, and the Westport-area climate. Learn more about cabin air filters below, and schedule a service appointment at Mercedes-Benz of Fairfield to have the professionals change your filter!

What Does a Cabin Air Filter Do?

A cabin air filter cleans the air that passes through the heating, ventilation, and air conditioning systems. It works to keep dirt, dust, pollen, and other contaminants from getting inside the cabin, but over time you will inevitably get a clogged cabin air filter, which will affect your vehicle’s interior air quality. 

How Do I Know When to Change a Cabin Air Filter?

If you drive in a city with poor air quality or lots of construction, or if you live away from the city and drive in the desert or on dirt roads, or even if you like to take your vehicle off-roading, you may need to change your filter frequently. If you aren’t sure how often to change cabin air filters, here are some signs to look out for in Norwalk:

  1. Reduced air flow when climate control systems are on
  2. Lingering unpleasant odors
  3. Increasing dust settling on vehicle surfaces

Tips on How To Change a Cabin Air Filter

  1. First use your owner’s manual to determine where the filter is located. This will determine how difficult or easy it is to replace the cabin air filter.
  2. Often the cabin air filter is behind the glove box or under the hood, which should be fairly accessible, but in some models it’s under the dashboard, which is more difficult to reach.
  3. Protect yourself by wearing gloves and a mask in case removing the dirty air filter gets messy. 
  4. Place the old filter in a garbage bag, and replace it with a genuine OEM part to ensure quality, durability, and fit, and to maintain the Mercedes-Benz warranty.

How Much Does Changing a Cabin Air Filter Cost?

Depending on your vehicle, the filter replacement could cost between $30 and $70. If you go to an authorized service center and your vehicle is still under warranty, some costs may be covered. You can also order parts online, and check our rotating parts specials and service specials to save!

Rely on Mercedes-Benz of Fairfield for Certified Service and Genuine Parts

For your next oil change, tire rotation, or major repair, turn to Mercedes-Benz of Fairfield near Weston for efficient service by Mercedes-Benz certified technicians. Learn more about the recommended Mercedes-Benz service schedule to find out how easy routine maintenance can be!


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