Thread: 15-40 oil in my M112-Good idea?
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Old 01-31-2021, 08:24 AM
Ferdman Ferdman is offline
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Join Date: Aug 2002
Location: Southeastern PA
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Refer to your Owner's Manual for the proper weight oil for your 2004 E320. Regardless of the weight I suspect it recommends synthetic oil. I run Mobil 1 in our MB vehicles. Saving a few bucks on oil may ending up costing you big bucks in the long run ... for a major engine repair. Is it worth the risk?
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