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Spark Plug Replacement

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Old Oct 15, 2020 | 04:38 PM
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CorpsmanUp 1999's Avatar
CorpsmanUp 1999
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2014 C63 AMG Sedan
Spark Plug Replacement
Looking for recommendations on what spark plugs to get on my 2014 C63 AMG sedan , I was looking at the weistec brand not sure if I should OEM or upgraded , my car is stock by the way. thanks I’m advance
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Old Oct 15, 2020 | 04:45 PM
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2014 C63 AMG 507
Id get the OE ones off FCP Euro, I think they are NGK.
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Old Oct 15, 2020 | 04:46 PM
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2007 Mercedes E63 AMG
NGK stock replacements. you won't need colder plugs until you're making over 150hp than factory (620-660hp).
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Old Oct 15, 2020 | 04:56 PM
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2014 C63 AMG Sedan
Originally Posted by markov77
Id get the OE ones off FCP Euro, I think they are NGK.
do I need to gap it ? Or does it come pre gapped ? Thanks
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Old Oct 15, 2020 | 06:22 PM
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2010 C63 AMG
Comes pre gapped but you should check them ... I got 5 @.040 1@.035 2@ .043
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Old Oct 15, 2020 | 06:54 PM
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2009 SL63 AMG
Always verify gap. It's embarrassing how inconsistent "pre-gapped" plugs are from the manufacturer.

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Old Oct 21, 2020 | 03:32 PM
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2014 C63 AMG Sedan
DIY spark plug
Easy to do if you have all the right tools , saved me $500. Also make sure you check the pre gapped spark plug - I have eight of them not gapped properly. And I had to adjust it my self.
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