At 110K there's another 690K miles to go. The OM606 NA or Turbo is a superior motor by all means.

Between $350 and $400 depending on where you are located for spring perches. Quotes vary.

What's the current asking price of this Diesel? Don't pay anymore than $4K at max.

Yes, check the Wiring Harness. It isn't a big job to do it yourself anyway, but it is nice and cheaper to have it already done.

With a Mercedes: Service records, service records and more service records.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k