Quote:
Originally Posted by 123Guy
We've had both of our diesels, '82 300SD and '84 300CD, since new and I've always changed the oil and filter every 3K miles, but never less than once a year. They both run like they did when they were new.
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This is good advice, if it is dino oil.
I would triple the time and mileage were it full synthetic oil - as I do change my MB's full synthetic oil/oil filter every 3-years/10K miles.