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Help w/ a Check Engine Light Code

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Old May 25, 2025 | 12:05 PM
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silvertech67's Avatar
silvertech67
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2011 Mercedes ML350 BlueTec
Help w/ a Check Engine Light Code
Hi, I have a 2011 ML350 with the 3.0l bluetec. Check engine light came on the other day, scanned for the code and I got a 198400/1672192 from the ECM. All my scanner tells me is to refer to oem repair manual. I’ve tried using prodemand to help define the code, and I’ve tried searching online about it but no luck. Was hoping someone on here might be able to help me out figure what this code is so I can address it. Would not like to go to dealer for them to tell me what it is, thank you!
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Old Dec 5, 2025 | 10:39 AM
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wamcneil
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2011 gl350
Hi all.
Does anybody have insight for this code P198400? I also have a 2011 GL350 diesel and I'm getting this same unidentified code.
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