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The 560 and 420 were sold in the exact same years '86-'91.
I don't believe they are the same block. One is a big block and the other is a small block.
They even have different engine codes: M116 and M117.
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Paul S.
2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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