I just saw this recently at the Film Festival. My date was from Peru and she liked it too. We met the director and talked to him
Plot: "To cope with his father’s recent suicide, Santiago decides to escape the harsh Lima winter for the picturesque beach town of Máncora. Upon his departure, he receives an unexpected visit from his beautiful stepsister, Ximena, and her arrogant husband, Inigo. The three take off on a party-fueled road trip, picking up a bohemian hitchhiker along the way before arriving in Máncora. Once in the beach town, they let loose, causing romantic tensions that threaten to tear the group apart."
But much of it stars a gray W123 euro 230E, going from Lima to Máncora.
There are a few of these still around in Peru, I used to notice them in Lima and Arequipa on my trips there.
Good clip shows it here from 1:03 to 1:21
http://www.youtube.com/watch?v=neXOUrkrNKQ
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