All this commentary on how-to/what-to do to remedy the plastic lens deterioration is great. I have used one of the multi-wet-sand-and-polish solutions with no better than acceptable results (not, say GREAT). My thought from the jump has been: why in the hell did Chrysler/MB not go for shatterproof glass? I have an '02 MB C240 whose glass lenses are as flawless as the day the car left the factory. I hate the idea of having to spend what we are needing to, in order to rectify what I regard as a terminal design defect. All that said, it's really academic why this was not the chosen course. Is anybody making aftermarket glass replacement lens/housings? Short of that, are there any worthwhile suggestions for the preservation of a restored (de-fogged) lens/housing (I've read the use wax, vaseline, spray clearcoat, etc., and don't see a definitive solution among them)?

Many thanks,

George