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Old 04-27-2022, 12:36 AM
Sugar Bear Sugar Bear is offline
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Join Date: Sep 2001
Posts: 2,213
Rob,

What has been the historical oil change interval on this engine? What type of oil has been used e.g., synthetic, MBZ approved? Is it used for mostly short trips or highway?

My GUESS is clogged oil control piston rings. Other than a good used engine I'd try a couple of motor flushes with Liqui Moly engine flush.

Good luck!!!
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