I have a set of Wright, 14mm bent valve wrenches, made here in the USA. bought them years ago when I acquired the 300SD, used them once. $50 and they are yours.

Jim

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2005 C240 4matic wagon (daily driver)
87 190D - 225K (on loan)
85 190D - 312K (on loan)
2011 Subaru Legacy AWD (Wife's)