As Charlie surmised, it's easy to remove the turbo from the '85 California version of the OM617 engine. I had mine off when I replaced the trap cat with a test pipe and didn't have to touch the manifolds. The Federal version is another question; removal of the manifolds and turbo as a unit is the recommended method, or so I have read here.

Jeremy

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970