The power window switch may fail and the windows will not raise. The main switch at the front center console is commonly at fault. A failed switch will require replacement.Google+
Car Problem Reports
Mercedes-Benz ML500 Power Window Main Switch May Fail
Mercedes-Benz ML500 Problem
Average Mileage: 126,666 mi (99,000 mi - 146,000 mi)
Visitor, 2003 Mercedes-Benz ML500, 99,000 mi
windows wont work front or rear side view mirrors as well power at fuses and relay ?????
Visitor, 2002 Mercedes-Benz ML500, 146,000 mi
Windows stopped workingg
Visitor, 2005 Mercedes-Benz ML500, 135,000 mi
front & rear windows as well as the side mirrors operate intermittently. Seeking solution at this time.