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Premium Member
1989 560sec 6.0L AMG & Renntech
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2,355 Posts
Discussion Starter #1
Quick question: what spark plugs do you recommend I put in my '92 600sel? Some people say NGK, some say stick to copper. What do you suggest? I searched a bit but I just found a bunch of posts from people with the 6 cyl W140s (not bashing the 6 cyls but I have the 12 and I don't want to do anything to harm it). Another person said that the iridium plugs can make my engine run poorly? Any insight into this mess?
Thanks!
Ricky
 

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1995 s500
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148 Posts
everybody i have talked to has said to put the same plugs that it came with from the factory...meaning the copper plug. they do have different plugs out on the market, but are they good for the benz
 

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Premium Member
1989 560sec 6.0L AMG & Renntech
Joined
·
2,355 Posts
Discussion Starter #3
everybody i have talked to has said to put the same plugs that it came with from the factory...meaning the copper plug. they do have different plugs out on the market, but are they good for the benz
Thanks much! I'll just go order a dozen of the OEM plugs :D
 
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