2001 Mercedes Benz SLK230

Interior problem
2001 Mercedes Benz SLK230 4 cyl Two Wheel Drive Automatic 94000 miles

I replaced the convertible top main hydraulic valve(Center of roof) because it was leaking fluid.
after replacing the convertible top went down lowering the door window and rear small window wen I put it back up it does not raise the windows.
I notice that the main pump in the trunk has a fluid tank and the level is low. I dont know how to fill and bleed system
January 20, 2010.

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