My old 72 280SE 3.5 had a single rear fog light. It was not built into the existing rear lens assembly but was externally mounted to the bumper.

In Germany that was a life saver because it would get so foggy on some of those roads that the rear foglight was the only way someone could see you in front of them.

I've seen other european cars here in the states with the rear fog light, so I don't think it's illegal and, it may save your car!!

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1998 W202 C230 - The money pit of late.
1984 W126 300SD (356,800 miles) Gone to the wrenchapart
1984 W123 300D Gone to the wrenchapart
1972 W108 280SE 3.5 (sold but not forgotten)
1986 Buick Grand National 3.8l Turbo (86k miles)
1966 Glassic Model 'A' Replica http://www.glassicannex.org

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