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Old 12-01-2009, 06:52 PM
Mercedes Guy Mercedes Guy is offline
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Join Date: May 2003
Posts: 218
Advice for changing spark plugs in M119?

I'm getting ready to change the spark plugs in my S420. Is there anything I should be particularly careful with when doing this job? I've never changed plugs on an engine with coil packs before, so I'm guessing it's just going to be a little more time consuming cosidering I have to unbolt each of the packs.

I will need a total of 16 spark plugs, right? All of the information I've seen says it takes two plugs per cylinder. Thanks!
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