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M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Spark Plugs replacement

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Old 02-14-2021 | 01:52 PM
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ml350
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2005 ML 350
Spark Plugs replacement
Hi People,

can anybody recommend a cleaner that I can used to clean around the holes of the spark plugs opening before removing the spark plugs.
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Old 02-14-2021 | 02:34 PM
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From: Shepardstown, WV
1999 E300TD
yes nothing
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Old 02-15-2021 | 03:12 AM
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From: Bronx, N.Y.
2002 ML 320 & 2006 ML500
Read step #2 in the first PDF. You will also need special tool to remove the Ign. Coil Boots so they are not damaged.




Attached Files
File Type: pdf
R&I Spark Plugs #1.pdf (142.0 KB, 129 views)
File Type: pdf
R&I Spark Plugs #2.pdf (100.3 KB, 96 views)
File Type: pdf
R&I Spark Plugs #3.pdf (49.0 KB, 68 views)
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Old 02-15-2021 | 05:29 AM
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From: Sedbergh, England
ML320 W163 2000
Originally Posted by ml350
Hi People,

can anybody recommend a cleaner that I can used to clean around the holes of the spark plugs opening before removing the spark plugs.
Would Gunk be okay if used very carefully?
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Old 02-15-2021 | 05:49 AM
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Maj. Dundee
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From: Bronx, N.Y.
2002 ML 320 & 2006 ML500
Originally Posted by Bezalel
Would Gunk be okay if used very carefully?
No, because how would remove the Gunk? Buy a couple of cans of air duster.
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Old 02-15-2021 | 12:25 PM
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2021 GLB250 FWD, 2023 GLA250 FWD
Originally Posted by Bezalel
Would Gunk be okay if used very carefully?
Gunk and similar cleaners can damage the plug wire insulators.
Do you have a compressor? An air nozzle is inexpensive and with the compressor set to the 90 PSI for air tools it will move anything that is going to move.
BE SURE TO USE EYE PROTECTION!

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