NGK Spark Plugs - MBWorld.org Forums

07-23-2020, 04:28 PM

#1

skullbox15

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2014 C63

NGK Spark Plugs

I'm at 60k on my 2014 so I'm going to change the plugs I guess. Do I need the .04 or .039 gap?

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07-23-2020, 05:14 PM

#2

fergsc32

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2011 c63 AMG

these are always pre-gapped, but if you want to check them, either.039 or .040 is OE spec

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07-23-2020, 11:05 PM

#3

skullbox15

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2014 C63

Thanks. I figured they were. I just noticed they sold two different ones. One source said the .04 was for the SL and .039 for the C... seemed strange to me.

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07-24-2020, 09:45 AM

#4

HLG600

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R230 SL63 | W220 S55

Quote:

Originally Posted by fergsc32

these are always pre-gapped, but if you want to check them, either.039 or .040 is OE spec

In many cases, the pre-set gap is off. Best practice is to always verify/set the gaps yourself.

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