Where is the cabin filter located on a 2001 CLK 320?

On a 2001 Mercedes-Benz CLK 320, the cabin air filter is located behind the glove compartment. To access it, you need to open the glove box, remove any contents, and then detach the stops on the sides to allow it to drop down. Once lowered, you can find the filter cover, which can be removed to replace the cabin filter.