Mercedes Service manual. Get the CD from the Mercedes classic center.

If you reuse the axles that come with the differential then no. If your using other axles then you may have to get different shims. It will be a trial and error job. Actually you can measure the gap , if any, with the axles installed and order the correct size shims.

Edit to this post.
Let me change my answer to this question. When the differential is adjusted for lash, the teeth are adjusted to each other inward and outward. To have the axle position correctly requires a spacing ring based on the gears. The axles end is a fixed designed, and not a variable. The variable is the gears in the differential. SOOO if you have the spacing rings that go to the differential then use them. IF you don't then you will have to determine the size spacing ring you will need.

Dave

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1970 220D, owned 1980-1990
1980 240D, owned 1990-1992
1982 300TD, owned 1992-1993
1986 300SDL, owned 1993-2004
1999 E300, owned 1999-2003
1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD
1988 560SL, 100,000mi, owned since 1995
1965 Mustang Fastback Mileage Unknown(My sons)
1983 240D, 176,000mi (My daughers) owned since 2004
2007 Honda Accord EX-L I4 auto, the new daily driver
1985 300D 264,000mi Son's new daily driver.(sold)
2008 Hyundai Tiberon. Daughters new car