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23/11/2020 6:05 pm
Topic starter
Hey Scotty,
The check engine light on my '17 C300 4matic came on.
Connected my OBD2 bluetooth device and got code p052e positive crankcase ventilation regulator valve.
Is this is urgent issue I need to fix or is it something that fixed later on?
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23/11/2020 7:25 pm
I would get it fixed as soon as you can. It's not going to be detrimental for the engine if you don't fix it right away, but it's not good to have a build-up of "blow-by" gases in the crankcase. It promotes sludge build-up in the engine if left unfixed.
