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

Spark plug interval change

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Old 03-01-2021, 03:17 PM
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08' ML550, ML 63, E55, and 2019 S63, 19’ Porsche 991 911 Speedster
Spark plug interval change

On which thread I can find answer to my question, maybe some of you guys can point me there, but looking to change plugs for a 50k mile service. Here are my questions specific to my vehicle:

1. Are there two per bank? How many total?
2. Are these iridium tipped plugs?
3. MB technical or support - replacement brand w/ part #.
4. Should I replace the packs? If never been changed at 143k now, and what else should be looked into while doing this job if anything while I have it apart.
5. Brand recommend by MB NGK...??? Bosch....???

thx
Old 03-01-2021, 11:15 PM
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E Coupe C207, ML W166, ML W164, Sprinter 1500/144, W111 SB220 Fintail(s), A5 chassis Beetle 5+5
I use a lot of Denso TT that work great. I would quit the OE plugs by 50-60k.
Old 03-01-2021, 11:29 PM
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08' ML550, ML 63, E55, and 2019 S63, 19’ Porsche 991 911 Speedster
Originally Posted by Audi Junkie
I use a lot of Denso TT that work great. I would quit the OE plugs by 50-60k.
Yea thanks for that. I’ll care to look for Denso plugs in the local parts store. Lol.

how many plugs would say I should ask for when I walk into their store?
Old 03-01-2021, 11:47 PM
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E Coupe C207, ML W166, ML W164, Sprinter 1500/144, W111 SB220 Fintail(s), A5 chassis Beetle 5+5
Ruthenium

https://www.autozone.com/external-en...05/1009731_0_0
Old 03-01-2021, 11:50 PM
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Originally Posted by Audi Junkie
$14 a piece. That’s just insane for a plug. That filet mignon come with potatoes au gratin as a side? Geeesh!
Old 03-02-2021, 12:10 AM
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E Coupe C207, ML W166, ML W164, Sprinter 1500/144, W111 SB220 Fintail(s), A5 chassis Beetle 5+5
https://smile.amazon.com/Denso-Iridi...des-Benz+ML350

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