I believe that the Smog issues to be minor.(almost the same numbers that happened to my 380SE and I fixed that without too much pain in the wallet.) As to running right, she runs like a Striped A$$ed Ape. The biggest hoop to jump through with the DMV.

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1986 Euro 500SEC "RUF" 9:1CR, "Rose"
1985 Euro 500SEC Cabriolet AMG Widebody
1982 Euro 500SEL "Blue"
2001 Texas Heeler (Aussie/Queensland X) "Sulphie",
2012 Queensland Red Heeler "Squeak"
Best dogs I've ever had.