The headlight brightness sucks especially in the rain. The drivers side has a new headlight unit the left is original and a bit yellowed. Tried the toothpaste
cleaning with a buffing pad and its better. So short of replacing that unit are there replacement bulbs that would significantly improve the brightness?

You can replace the lenses also. Cleaning the lens works but the factory coating is gone and it will return to yellow eventually.

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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif
15 VW Passat TDI
00 E420
98 E300 DT
97 E420 Donor Car - NEED PARTS? PM ME!
97 S500
97 E300D
86 Holden Jackaroo Turbo D
86 300SDL
(o\|/o)

It's worth checking your headlight aim as well. If the aim is too low or too high, the light pattern will be terrible. The rain is particularly bad if the aim is too high, you won't get much illumination down on the road to help see the surface or markings.

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Current stable:
1995 E320 157K (Nancy)
1983 500SL 125K (SLoL)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)

Gone and wanting to forget:
1985 524TD 167K (TotalDumpster™) [Definitely NOT a Benz]

You can try a good sanding and then coating with some polyurethane from lowes or homedepot.

The lights look pretty damn good after that and they remain good for quite a while with the coat. (there are lots of youtube videos on it). Also look for some good bulbs, the downside is that they only last a year.

as mentioned above - the aiming is also crucial.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)

A toothbrush won't do ****. Wet sand with 2000 grit then buff it out with some generic polishing compound and orbital buffer.
https://imgur.com/a/hbA8c

https://imgur.com/a/d3dfi
Final step apply some UV resistant wax so it doesn't turn yellow again.

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CENSORED due to not family friendly words

I would start with 800 grit then 1000 and finally 2000 if youre waxing. Stop at 1000 if your gonna UV clear coat.

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Satan creates nothing: he only ruins everything. He does not invent: he tampers. And his followers are no different ~ Archbishop Carlo Maria Viganò

Buff headlights and apply Lamin-x Protective Films : Headlight, Tail Light and Fog Light Protection film

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The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech

Back when we had a Sam's Club nearby, I had them do a headlight restoration on the E300 for like $35. Looked perfect when they were done. Really great deal.

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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 159k miles
06 E320 CDI "Rutherford", Black on Tan, 179k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 77k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife