
GLK300's cabin air filter is located behind the front engine decorative panel, which becomes visible upon removal. Generally, the replacement interval for a vehicle's cabin air filter depends on individual usage patterns, external environmental conditions, and seasonal climate. For urban household vehicles, it's recommended to replace every 10,000 to 20,000 kilometers or approximately once a year. The GLK300 is a mid-size SUV with body dimensions of 4556mm in length, 1840mm in width, and 1689mm in height, featuring a wheelbase of 2755mm. In terms of powertrain, the GLK300 is equipped with two engine options: a 2.0-liter turbocharged engine and a 3.0-liter naturally aspirated engine.

I find locating the air conditioning filter in your Mercedes-Benz GLK300 quite interesting, as it's somewhat hidden. When I've worked on similar models, the filter is typically in the passenger footwell, specifically beneath the carpet under the right foot, requiring the removal of a cover panel to access it. This design primarily optimizes space utilization and minimizes cabin interference. A quick tip: be careful not to damage the clips when replacing the filter, and regular checks are crucial—otherwise, dust buildup can deteriorate cabin air quality. I recommend replacing it every six months or 10,000 kilometers to effectively reduce allergens and odors. DIY is totally doable for handy owners, but if unsure, visiting a professional shop is the safer bet.

As a DIY car enthusiast, I'm quite familiar with the location of the GLK300's cabin air filter - it's in the footwell area in front of the passenger seat. You'll need to get down, lift the plastic panel under the carpet, and the filter sits inside that small compartment. From a design perspective, Mercedes placed it there to avoid obstructing other components, which is quite clever. Let's talk about filter types too - OEM filters generally offer good filtration and are easy to replace, but make sure to get the right size to prevent air leaks. I often remind my friends to check it when they notice reduced airflow or increased odors in the cabin. DIY replacement can save you some money, but remember to wear gloves - you don't want to get covered in dust.

On the GLK300, the cabin air filter is typically located beneath the passenger footwell area. Lifting the floor carpet reveals a small access panel where the filter is housed. While this placement makes replacement slightly inconvenient, it was designed by the manufacturer to optimize space utilization. If you notice a dusty odor in the cabin air or reduced airflow from the vents during normal driving, it likely indicates a saturated filter. Regular replacement is recommended - such as inspecting every 10,000 kilometers - to maintain respiratory health. When performing DIY replacement, exercise patience and avoid forcing components during the process.

I remember spending quite some time figuring out how to replace the cabin air filter on my GLK300 for the first time, only to finally discover it was located under the floor mat in front of the passenger seat. You need to lift the carpet and remove several clips to access the filter. From this placement, it seems Mercedes designed it for easier maintenance, but I recommend replacing it every six months, especially in areas with heavy smog. After that experience, I always keep a spare filter on hand to avoid last-minute searches. A clogged filter from prolonged AC use can increase fan noise and even reduce cooling efficiency, so don't overlook this small detail.


