The sunroof may not work correctly due to failed components as a result of age and wear. Repairing a sunroof can be labor intensive and very costly.Google+
Car Problem Reports
Mercedes-Benz 300E Sunroof Components May Fail Due to Age and Wear
Mercedes-Benz 300E Problem
Sunroof will not open or shut.
Visitor, 1993 Mercedes-Benz 300E
inside bracket that retracts the roof broke, need to know how I can replace it?