There is a feature on the dash board to roll up/down the shade screen on the back window. I hit the button and it brought it up but now it won't go back down?
Possibly a fuse blown?
You can get a 2004 Mercedes-Benz fuse panel diagram at most Mercedes-Benz dealerships. You can also get the diagram from Mercedes-Benz service manuals.
The 2004 Mercedes-Benz M-Class has a V6 engine.
The 2004 Mercedes-Benz C-Class has 16 valves.
The 2004 Mercedes-Benz G-Class has 24 valves.
The 2004 Mercedes-Benz E-Class has 18 valves.
The 2004 Mercedes-Benz G-Class has a V8 engine.
The 2004 Mercedes-Benz CL-Class has 24 valves.
The 2004 Mercedes-Benz CL-Class has a V8 engine.
The 2004 Mercedes-Benz SL-Class has a V8 engine.
The 2004 Mercedes-Benz S-Class has 24 valves.
The 2004 Mercedes-Benz SLK-Class has 16 valves.
The 2004 Mercedes-Benz M-Class has 18 valves.