M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Recommendation on spark plugs please...

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Old Mar 2, 2011 | 09:03 PM
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mcphere's Avatar
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2006 ML500
Recommendation on spark plugs please...

Any recommendation for a new spark plugs. I have a 2006 ML500. I have been looking around. Too many choices. I know I need 16 plugs. I have been eyeing the Denso iridium plugs. I don't know if the bosch platinum +2 will work. I heard to forget about the fusion +4 'cause it will not work.

What is the correct spark plug model/spec number?

There was also a comment on not to use anti-seize compound. hmmm...

Thanks,
mcphere
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Old Mar 2, 2011 | 10:31 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
NGK 4292

Single electrode laser plat.
Like 6 bucks each
M113 engine you will need a torx bit for the coils and if the car has oem metal boots you need the 17mm boot tool for easy removal of the boots from the plugs without damage.
Use no anti-seize. It is not needed and if used can cause problems greater than which you care to entertain

Last edited by ohlord; Mar 2, 2011 at 10:48 PM.
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Old Mar 3, 2011 | 10:37 AM
  #3  
roadrutz's Avatar
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From: Kelowna, BC
'09 ML550
Originally Posted by ohlord
Use no anti-seize. It is not needed and if used can cause problems greater than which you care to entertain
Curiosity: What are the problems that anti-sieze could cause?
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Old Mar 5, 2011 | 01:30 PM
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'10 CL550, '12 GL550
There are NOT too many choices.

Use plugs recommended in owners manual.

Stuff like "platinum +2" is junk.
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