Reasons to change your air filter
It is important to change the cabin air filter of your 2019 Mercedes-Benz CLS450 for several reasons:
- Improved engine performance: A clean air filter allows for a greater amount of air to reach the engine, which can improve overall performance and fuel efficiency.
- Improving the air quality outside the car: A clean air filter improves the air quality outside the car by filtering out airborne contaminants.
- Enhancing the air quality inside the car: The cabin air filter helps to remove pollutants, dust, and other allergens from the air inside the car, which improves the air quality for the passengers.
- Extending the life of the HVAC system: The cabin air filter also helps to keep the heating and air conditioning system running smoothly, which helps prolong the life of the system.
- Protecting the engine: A dirty or clogged air filter decreases the airflow to the engine, which can damage the engine over time.
If you replace your air filter on a regular basis, you can ensure that your Mercedes-Benz CLS450 engine and HVAC system are running efficiently, and that the air inside and outside the car is clean and healthy.
The correct cabin air filter for a 2019 Mercedes-Benz CLS450
For any 2019 Mercedes-Benz CLS450, you can use BECK/ARNLEY 0422255 cabin air filters. These are an exact fit and will match the required specifications of your CLS450. We always try to recommend the best possible air filters for your money, and these air filters are either a factory recommendation or an equivalent replacement available in today’s market at a reasonable price.
How often should I change my cabin air filter?
In general, it is advised that you replace the cabin air filter once per year, or every 12,500 miles, whichever comes first. If you drive in a heavily polluted area, or in an area with high levels of dust, pollen, or other allergens, it may be necessary to change the filter more frequently. Similarly, if you frequently drive on dirt or gravel roads, or if you use your 2019 Mercedes-Benz CLS450 for off-roading, change your air filter more often.
It’s also important to pay attention to the signs that the filter needs to be changed, such as:
- Reduced airflow from the vents
- Unusual smells coming from the vents
- Increased dust and debris inside the cabin
Changing the cabin air filter on a 2019 Mercedes-Benz CLS450
This is a process you should be able to do on your own with some commonplace tools. Of course, consult your owner’s manual, as well as a factory service manual. The video shown below does a good job of outlining the process.
Tips for changing the cabin air filter on a 2019 Mercedes-Benz CLS450
Ensure you watch the video above before you attempt to replace the air filter on your 2019 Mercedes-Benz CLS450, as well as review your factory service manual. Additionally, we have some tips below here to help you as you complete this repair.
- Follow manufacturer’s recommendations: Follow any specific instructions provided by the manufacturer, such as replacing any clips or fasteners, to ensure the proper fit of the new filter.
- Clean the area around the filter: Before installing the new filter, use a vacuum cleaner or compressed air to clean the area around the filter. This will help prevent debris from obstructing the new filter.
- Orient the filter correctly: Make sure the new filter is installed securely, with the arrows on the filter pointing in the direction of the airflow. Improper installation can lead to reduced filter performance or even damage to your car’s ventilation system.
Helpful Tools
You should be able to complete a cabin air filter change with some regular tools you likely already have. However, there are a few tools that are specific to this job that you may not have, and we also want to recommend some general tools that you should definitely have in your toolbox if you don’t already.
- A can of Compressed Air – use this to clean the area around the filter. This will help ensure that the new filter doesn’t immediately get clogged.
- A Mask – If you have allergies or sensitivities to dust or other allergens, you should wear a mask to protect yourself when removing and replacing the cabin air filter.
- A Vacuum Cleaner / Shop Vac – You can use a handheld vacuum cleaner or shop vac instead of compressed air, but it won’t displace the the debris quite as effectively.
- Screwdriver – In some cases, you will need a screwdriver to remove the cover that houses the cabin air filter.
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