Now I'm curious as to why Mercedes makes a 1.74 mm and a special order 1.97 mm thick head gasket.
Anyone want to explain the purpose of the 1.97 mm head gasket compared to the standard 1.74 mm head gasket listed in this thread?

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1986 300SDL 201K Daily Driver
1984 300D In Progress
1989 240GL 196K Swedish Brick
1984 300SD -- Sold 289K
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