Well, indeed it was off a tooth. Not to mention the cam gear was reversed. My mechanic (not the one that did the work) helped me set everything right and wasn't even going to charge me. I insisted, so he charged me half and hour.
The car runs and sounds like it's old self again. I dont think anything was damaged internally. The only thing that sucks is the chain was not straight laterally. Because the cam gear was on backwards, it was pushed further out at the top and may have worn funkily. It's only been a couple thousand miles though and probably isn't too serious. I'm just glad to have my diesel back the way she is supposed to be, smooth and ready to cruise. (sorry for cheesiness)
Thanks to MB shop!
Josh

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63 220S W111
76 300D W115
2013 VW JSW TDI M6

previously-
73 280 SEL 4.5
86 300E 5 speed
2010 VW Jetta TDI M6