2014 GL450 spark plug replacement
07-02-2023, 05:24 PM
#1
Newbie
Thread Starter
2014 GL450 spark plug replacement
All, was seeking rough cost estimate these days to do M278 spark plug replacement.
I am considering doing it myself (fairly handy). I can get 8 plugs for $65. A 14mm thin wall magnetic swivel socket for $15.
I have the Torx set, the Dielectric grease, torque wrench, etc.
Have not gotten quotes for someone else to do, so seeking guidance here. I live in Colorado.
Thank you in advance and Happy 4th.
I am considering doing it myself (fairly handy). I can get 8 plugs for $65. A 14mm thin wall magnetic swivel socket for $15.
I have the Torx set, the Dielectric grease, torque wrench, etc.
Have not gotten quotes for someone else to do, so seeking guidance here. I live in Colorado.
Thank you in advance and Happy 4th.
07-02-2023, 06:00 PM
#2
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Join Date: Apr 2021
Location: San Jose, CA
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11 E550, 16 AMG GTS, 13 S550
just do it yourself, even if it takes all day it's a $600 job and it doesn't suck at all. Make sure you change your air filters, cabin filter annually too.
you're gonna want to torque them, Mercedes wants them within a 45 degree arc of the fuel injector.
you're gonna want to torque them, Mercedes wants them within a 45 degree arc of the fuel injector.
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Alpha European Autotech
Purchase Amsoil at 25% off from me
Chris Tran, Service Manager/Owner
Amsoil Independent Dealer #7236674
07-02-2023, 06:35 PM
#3
Newbie
Thread Starter
per this document... https://automotivetechinfo.com/wp-co...nes-QEC-ES.pdf
Yep saw that. Video's look straight forward on how to do as well. Just gotta have the right tools.
This one looks pretty good of the entire process.
I was going to go with this set of spark plugs. I believe this is the OEM equivilant with thread length/indexing.
It will cost me $100 and my time. Looks like a good weekend project..
Yep saw that. Video's look straight forward on how to do as well. Just gotta have the right tools.
This one looks pretty good of the entire process.
I was going to go with this set of spark plugs. I believe this is the OEM equivilant with thread length/indexing.
BOSCH 8 Piece Spark Plug Set - 0242140521, ZR6SII3320, 7430
It will cost me $100 and my time. Looks like a good weekend project..
