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R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

spark plug gap

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Old Nov 18, 2010 | 03:41 PM
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smokersteve
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06 R360, 06 F350 6.0, 04 CayenneS, 96 911TT 500HP, 86 928S, 74 911S, 73 914-4, 70 914-6, 02 Durrango
spark plug gap
What is the gap for the V6 3.5L?

Thanks
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Old Nov 19, 2010 | 01:35 PM
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lkchris
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'10 CL550, '12 GL550
One doesn't set gap on platinum plugs.

The factory plugs come out of the box ready to install.

It's been this way for German cars for decades, even for conventional plugs. Bosch, of course.
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Old Aug 5, 2018 | 10:51 AM
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2006 R350, 2001 Viggen
"One doesn't"? Oof. A paucity of knowledge masquerading as expertise. The gap for M272, M273 is 0.032".

A good rule of thumb for online forums is "if you don't know, don't type anything."
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Old Aug 11, 2018 | 11:06 AM
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R350 2008 4Matic Gasoline
Ok Can Anyone else confirm all of this ????
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Old Aug 11, 2018 | 05:49 PM
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lkchris
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'10 CL550, '12 GL550
Sure ... what I posted in 2010 is correct. This assumes you’re using plugs purchased from Mercedes, I.e. 004 159 18 03 26. Take them out of the box and install them. Feel free to check them if you must. And, if you’d like to know the gap check your owners manual.

more ...

YR7MPP33 is NOT the same as Y7MPP33 ... only the latter is correct

http://uk.bosch-automotive.com/parts..._1/faqs/faqs_1





Last edited by lkchris; Aug 11, 2018 at 06:06 PM.
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Old Oct 4, 2021 | 12:41 PM
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Lincoln
What torque wrench can do you guys use? I have the Harbor Freight one and wonder if it will do the job?
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