GL Class (X166) 2013-2015 after facelift became GLS (X166)

50K service - Spark Plugs needs replacement?

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Old Mar 2, 2020 | 12:50 PM
  #26  
Boraxo's Avatar
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My local dealer is quoting $1800 for this job, but that has to include more than just the plugs. I will report back.
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Old Mar 2, 2020 | 02:01 PM
  #27  
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Originally Posted by Boraxo
My local dealer is quoting $1800 for this job, but that has to include more than just the plugs. I will report back.

Your best bet is to find a reputable local Indy. I was also quoted something similar by the stealer (I meant dealer). Local indy just quoted me 1 hour labor to change them.
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Old Mar 2, 2020 | 03:47 PM
  #28  
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Can you still buy a pre-paid maintenance plan? You'll get a heck of a deal by having this covered under it. That's how I got mine done. I think I paid at the time $2,200 for 3 years of service and one of them was the spark plugs that was close to the $2,200!! Plus I got a transmission flush on top of that the next year. Oil changes are included every year.
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Old Mar 2, 2020 | 08:41 PM
  #29  
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Originally Posted by NaviTimer1
Your best bet is to find a reputable local Indy. I was also quoted something similar by the stealer (I meant dealer). Local indy just quoted me 1 hour labor to change them.
That is a very competitive price. I was careful with the plug wires and pulled from the boot. Not sure you get the "careful" treatment with 1 hr shop labor.
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Old Sep 23, 2023 | 03:20 AM
  #30  
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Originally Posted by DaveW68
That makes no sense. OEM spark plugs are only around $8 each. So you can have all new plugs for $65. Changing plugs in these is kind of a b*tch, especially the rear plugs that are difficult to access. By far the biggest cost of a spark plug change in these trucks (or any Benz) is the labor. So why try to resuscitate the old ones? When I'm due for mine next year, I'll be buying OEM plugs online and taking it to my indy.

2010 550 ml .. just about to do the plugs and they all look easy... besides the last two rear ones. ...

any tips ? .. lol could i just change 6 ?
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Old Sep 23, 2023 | 03:22 AM
  #31  
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Originally Posted by Boraxo
My local dealer is quoting $1800 for this job, but that has to include more than just the plugs. I will report back.
1800? Omg ... what motor do u have?

the parts are not alot of money..at all ...

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Old Sep 23, 2023 | 01:40 PM
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Originally Posted by Kali86
2010 550 ml .. just about to do the plugs and they all look easy... besides the last two rear ones. ...

any tips ? .. lol could i just change 6 ?
Try the 164 ML forum.
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