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2011 ML350 Gas
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50 Posts
Discussion Starter #1
Can anyone tell me when the best time to change your oil and filter.I do less than 9000 mi a year. Is it one year or can I let it go when I hit 10,000 miles?

2011 ML350 gas

thanks
Rich
 

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2009 ML320 Bluetec, 2013 Tesla Model S 85
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875 Posts
You could wait until a nice even 10,000 but I think you would have to put up with the service reminder bugging you for a month or two.

On some models the drain interval was 13,000 miles or 12 months. The point is that the recommendation is only an approximation, your oil was not perfectly good one day and perfectly bad the next.
 

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2008 ML320CDI Iridium Silver/Black, NAV, P2 pkg, Sirius, Harmon Kardon. Active Bi-Xenon
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478 Posts
I think the recommendation is a 1 year for time, and 10K for miles. I would just do it once a year. Dont forget brake fluid every two years regardless of mileage.
 

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2009 ML320 Bluetec, 2013 Tesla Model S 85
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875 Posts
On my Prius the spec is 5000/6 months, and my former truck was 10,000/6 months. So they get/got changes every 5000 no matter the time. Sometimes that was 4 or 5 months, often it was 8 months. Sent a 9 month 5,000 mile sample from the truck to Blackstone who found no issues but did state based on the sample that 5,000 was a good interval.

If you really want to know spend $25 to send a sample in for testing.
 
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