C107 Project: 1975 Mercedes-Benz 450SLC (opens in new tab)

There's a good reason why the R107/C107 class of Mercedes-Benz models have long been among the most popular vehicles the company has ever sold. While we can grow accustomed to seeing them listed as basketcase projects on Marketplace and used as hoopties on multiple city blocks, we forget that the reason they still show up...