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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.?
(1) Answer
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.