My seat belts are wider, perhaps 3 inches instead of 2 1/2 inches.(I did not measure this but you can tell they are wider than normal) My turn signal auto cancels. I am quite certain that all the cars I have driven in Europe had canceling signals but I could be wrong because we were drinking so much wine that i might not remember correctly! I also do not remember if i drove a Mercedes while I was there.

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Currently
1991 Mazda Miata 174000
1991 Subaru 189,000 Winter beater

got rid of:
1984 VW Vanagon 195,000
1976 350SE Euro 185,000 KM
1973 280SE 4.5 (boy do I regret that)
1980 280SE European W126 4 speed manual (miss it)
1989 BMW 735iL 119000 (good riddance)