Why is my Audi A6 emitting a strange odor?

I recently noticed a strange smell coming from my Audi A6. It's hard to describe, but it's sort of musty and musky. I've never had this issue with any other car, so I'm not sure what could be causing it. Any ideas?

Based on your description, it sounds like you may have mold or mildew growing in your car's ventilation system. This can happen if there is excess moisture trapped inside. I suggest taking your car to a professional to have the vents cleaned and checked for any leaks.

It's possible that you have a dead animal or moldy food trapped somewhere in your car. Check under the seats and in the trunk for any signs of decay. If you find anything, remove it and thoroughly clean the area with disinfectant.

I had a similar issue with my Audi A6, and it turned out to be a problem with my air conditioning system. The condenser had a leak, causing the musty smell. I took it to a mechanic and they fixed it for me. Haven't had any issues since.