Never mind the clear or smoked corners, what the car came with are fine.
Spend your money on the Euro headlights for the beam pattern; they throw a better pattern (always buy a LEFT HAND DRIVE aimed set or there will be trouble) and the increased light they give out for better night driving is amazing; the looks are a bonus.
Search for archived threads on the subject of W124 headlights, it has been discussed many times here before, and there are lots of friendly helpful experts. Here are a couple of them to get you started.
http://www.peachparts.com/shopforum/showthread.php?t=149261&highlight=W124+euro+headlights
http://www.peachparts.com/shopforum/showthread.php?t=149261&highlight=W124+euro+headlights&page=2
http://www.peachparts.com/shopforum/showthread.php?t=181956&highlight=W124+euro+headlights
Get H4 Hella Bosch. Avoid the Taiwanese and Chinese junk that is out there.
Sources are KAT MAC, Depo, Performance Products, Capitol West, etc
Stuff like wheels and stereo would come later, after everything else is fixed.
Your car is low mileage, but it has been abused and neglected, though it can be brought back. It should be worth the time and expense it if you got it for basically free!!
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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...
1995 E 420, 170k "The Red Plum" (sold)
2015 BMW 535i xdrive awd
Stage 1 DINAN, 6k, <----364 hp
1967 Mercury Cougar, 49k
2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive

(sold)