Of course you want to fix your dash, but don't overlook the benefits of polarized sunglasses; the post above makes a point. Much less glare overall, easy on the eyes, and reflection problems like yours are greatly reduced. Try a cheap drugstore pair just to check out the difference; if you wear glasses, try a cheap clip-on with polarization.
'97 SL500, 40th anniversary edition
'04 Olds Bravada (SWMBO's)
'06 Lexus ES330
'89 560SL (sold)
SL--Anything else is just a Mercedes.
(Kudos to whoever said it first)