2014-2021 W205 Mercedes C300 Spark Plug Service | M274 Motor

Quick and easy! Replacing the old and tired spark plugs on our Mercedes C300. This is on the 2.0 Inline 4 turbo (M274) motor. It may be similar on the other motors but I definitely recommend doing some research!
* Spark plug gap is .032 not .028 ** .028 will work but for maximum spark .032 is recommended by the factory service manual
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