Hello everyone. I was hoping that someone might be able to give me some more information about these parts that I came across. I know that they fit a '57 190sl, but I would like to know if anyone could tell me some more information about them; i.e. other models they could fit or worth.

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I think you will find that those are in fact Ponton Headlights as fitted to all other markets except the USA where they had sealed beams. Very hard to find now and those look nice.

Here's what they want for 1 new one in Irvine:

Mercedes-Benz Classic European Headlamp Assembly | eBay

Other vehicle fitment is also shown...and one would think they know if the guide is accurate even if the asking price is debatable by some.

Ah,but the classic center sells new ones,they are not NOS but quite new. Considering the low volume of sales that has to be a good price. Try finding right hand drive len$e$ for a ponton.
A freind of mine has a pair of Lambo Miura. The headlights on those are the same as the Early Fiat 850 spider, when did you last see one of those? He paid $5000 to get a pair of lights ......

Thanks for the help guys.
I've put them on ebay and kind of came up with a price based on what I've seen others go for. Hopefully, there is someone out there who needs them.
Have a good night.

Mercedes Benz 57 190sl Original Bosch Ponton headlights headlamps w/ trim rings | eBay