
Mercedes Smart's cabin air filter is located on the right side of the accelerator pedal. The functions of the cabin air filter: 1. It ensures the filter tightly adheres to the housing, preventing unfiltered air from entering the cabin; 2. It separates solid impurities from the air such as dust, pollen, and abrasive particles; 3. It adsorbs moisture, soot, ozone, odors, carbon oxides, SO2, and CO2 from the air. The Mercedes Smart has body dimensions of 2695mm in length, 1559mm in width, and 1565mm in height, with a wheelbase of 1867mm. The Mercedes Smart is equipped with two engines: a 1.0L naturally aspirated three-cylinder engine produced by Mercedes itself, and a 0.9T turbocharged three-cylinder engine produced in collaboration with Renault.

I've been driving a Mercedes Smart for several years, and the cabin air filter is located behind the glove compartment on the passenger side. Open the glove box, and you'll see a small cover or clip inside. Just unscrew the screw or press it to remove it. The filter is hidden there to make it easy for owners to replace it themselves, without having to go to a shop. Remember to change it every six months or a year, especially if you live in a dusty city. If you don't replace it in time, a clogged filter will weaken the air conditioning airflow, and odors and bacteria can grow, affecting your health. Doing it yourself is super simple; buying a matching filter online costs only a few dozen yuan, saving both money and hassle. The first time I replaced it, I thought the design was really thoughtful—it took just a few minutes, and I learned a little maintenance trick. Regular checks ensure fresh air inside the car and prevent the buildup of allergens.

After driving a Smart for so many years, I've learned that the cabin air filter is located inside the glove compartment on the passenger side. After removing it, you'll see a square slot where the filter is inserted, usually in a standard size. Be gentle when replacing it to avoid damaging the clips or screws, as this can make it difficult to reattach the cover. A worn-out filter can reduce the cooling efficiency of the air conditioning and even blow out dust. I recommend purchasing an OEM filter or one with high filtration efficiency to trap more fine dust and pollen. If you're unsure, it's better to seek help from a professional mechanic to avoid accidentally damaging the wiring. Regular maintenance not only saves money but also extends the lifespan of the air conditioning system and reduces the risk of major repairs in the future.

As a beginner driver with a Mercedes-Benz Smart, where exactly is the cabin air filter located? I checked the manual and found it's behind the glove box. Opening the glove box reveals a small door – just pull it to access the filter frame. I tried replacing it myself once, and the whole process took less than ten minutes, with noticeably fresher air afterwards. The design is quite user-friendly, requiring no tools for operation, which helped me understand my car better.


