Yes I've replaced many! There are 2 bolts & the second one is a BEAR! Most techs remove intake manifold to remove diaphram. Just the right tool & a bit of skill can keep you from removing the manifold.

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MERCEDES BENZ MASTER GUILD TECHNICIAN
ASE MASTER TECHNICIAN
27 YEARS DEALER M.B. Shopforeman
190E 2.3 ITS RACECAR
1986 190E 16V