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Q: Replace spark plugs on 2007 Mercedes-Benz S550

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I have a 2007 Mercedes-Benz S550 with 57000 miles. Do I need to replace the spark plug.?
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if you have the owners manual it will tell you recommended mileage.
or you can go to autozones website and they will have maintenance schedules.
most vehicles recommend a 100,000 mile tuneup, but there are many factors to concider on when maintenance is done.
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