
C200L cabin air filter is located under the glove compartment on the passenger side. Here is relevant information: 1. Some models are equipped with two cabin air filters, with the other one located in the engine compartment. 2. For Mercedes-Benz C200L, the cabin air filter should typically be replaced every 20,000 kilometers, though this interval can be adjusted based on actual conditions. If the vehicle is frequently driven on dusty roads, more dust will enter the cabin, causing the air conditioning system to become excessively dirty. Additionally, some users prefer parking under trees or temporarily stopping near trees, allowing tree fruits to fall onto the air intake of the cabin air filter, which can also lead to severe contamination requiring earlier replacement. Furthermore, the frequency of air conditioning use varies by season, which may also have some impact.

When I last changed the air filter for my C200L, I discovered there are actually two filters! The first one is hidden behind the glove box: empty the glove box, pinch the clips on both sides to remove it entirely, and then pull back to reveal the rectangular plastic cover. Use a T20 screwdriver to remove the two screws, and the bright white filter will be exposed. Remember to take a photo of the arrow direction with your phone before pulling it out—installing it backward means you’ve wasted your effort. The second filter is located near the accelerator pedal, requiring you to lie down in the driver’s seat and remove the side trim panel. The black activated carbon filter is wedged inside the air duct, and it’s quite a workout for your back. DIY saved me 300 in labor costs, but I chipped two nails in the process.

My 2015 C200L requires disassembling three areas to replace the cabin air filter. First, remove two T20 screws under the glove compartment on the passenger side to lower the entire unit. The first filter (a thin white fiber layer) sits behind a removable inner panel. The tricky part is the driver's side - crouch down and forcefully pull open the beige trim panel near the accelerator (don't worry about the snapping sound) to access the second black activated carbon filter. Always opt for OEM filters with the Mercedes-Benz logo for perfect fitment. The whole DIY process takes about 30 minutes, with the main challenge being realigning the trim clips during reassembly - firmly press with your knee and secure with a few strategic fist taps.

Just replaced the cabin air filter for my wife's C200L. No tools needed for the glove compartment: press both sides inward with your hands and pull downward simultaneously to detach it. The white frame inside can be unclipped with your fingernails to remove the primary filter. The driver's side filter is hidden under the steering wheel—requires lying flat to access. First, remove the panel near the accelerator (a bit of force does the trick), then unplug the cover's connector. The filter compartment has a water droplet indicator arrow; installing it backward affects airflow. Recommend purchasing the Mann-Filter CU25003-2 model, which includes an activated carbon layer to block PM2.5.


