1999 mercedes m320 , Vin 4JGAB54EXXA141286 , 107,000 miles
1991 190e, 2.3- Having heating / cooling problems. I have removed the glove box , right vent and the right speaker. My question, can you remove the plastic duct that's about 18 inches long that goes to the right vent? I see no other way to access anything without removing it.