Oil Change Question
In older versions of Parts & Specs books, it said to use 15W-40 (synthetic) for 2002 MB (ML 320), in newer books, it specifies that MB has approved 0W-30 (Synthetic), and you indicate to use 0W-40. Which of these three types of oil is recommended for winters with ambient temperatures between 20-45 degrees Fa. (average)?
Please comment!
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