The German company's vintage rigs are quite common at classic car shows, but many of them are still rotting away in junkyards.

I persuaded my father to switch from a Buick to a Mercedes-Benz W114 280 with the M110 DOHC inline-six. He owned it until ...

Look at the W114 and W115 generation models, and you might think it's just an old classic Mercedes-Benz car. However, when it was launched in 1968, the W114/W115 was pretty revolutionary.