The insulation at the sunroof and on the inside of each door window glass can peel off. The loose insulation will then scrape the sunroof or window glass as it is operated. Replacement of the damaged insulation will be necessary to correct this concern.
Car Problem Reports
Mercedes-Benz ML320 Insulation Near Sunroof/Inside of Doors Can Peel Off
Mercedes-Benz ML320 Problem
Average Mileage: 124,250 mi (116,500 mi - 132,000 mi)