Sprinter Schedule B Maintenance - Routine or not?

What's involved in the Mercedes Sprinter Schedule B (routine) maintenance and can you really do it yourself? How to change the oil, as well as the oil, fuel, and cabin filters. I had a couple hiccups, but it saved me $700 from the Mercedes dealer quote. It was not total routine, but after doing it once, the next time should be.

Parts:
Oil: Usually get at NAPA on sale
Oil Filter:https://www.amazon.com/Mann-Filter-HU-821-Metal-Free-Filter/dp/B001DRLPP8/ref=sxts_sxwds-bia?keywords=mann+oil+filter&pd_rd_i=B001DRLPP8&pd_rd_r=c8c926c9-7f93-4c55-b71b-b5b261a29291&pd_rd_w=qRpdC&pd_rd_wg=XheaS&pf_rd_p=f0479f98-a32d-45cd-9c12-7aaced42b1ec&pf_rd_r=5K3QZYCTJX9YQAETVTVH&qid=1558842689&s=gateway
Fuel filter: https://www.amazon.com/MANN-Genuine-Replacement-filter-WK82015/dp/B012713O16/ref=sr_1_1?keywords=mann+fuel+filter+820%2F15&qid=1558842766&s=gateway&sr=8-1
Oil filter wrench: https://www.amazon.com/gp/product/B01BSCSSG6/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Torx bit set: https://www.amazon.com/gp/product/B00ACRL0NM/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Fuel filter: https://www.amazon.com/gp/product/B012713O16/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Fuel line hose clamps: https://www.amazon.com/gp/product/B07HNXF1KY/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Cabin Dust Filter: https://www.amazon.com/gp/product/B0068MVCJC/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Wipers: https://www.rockauto.com/en/moreinfo.php?pk=1516488&jsn=258

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