when would my car need a transmission flush or is that even necessary?
on 2009 Mercedes-Benz C300 4MATIC

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was told that along with my service A my car needs a transmission flush because one wasn't done at 30,000 miles.
(2) Answers
(4) Comments
You should have your transmission fluid changed based on your auto manufacturer's recommendation, it usually every 60,000 miles.
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