Couldn't get the inner hub off the splined shaft at the transfer case. I found a useful thread on this problem with a search under e-class. Fabricated a quick & easy 5lb "slap-hammer" and the hub popped off on the second hit.
But thank you for the replies......

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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)