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P04DB79

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Old Nov 3, 2021 | 09:57 AM
  #1  
Dulama's Avatar
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From: Manchester ,CT
2015 mercedes c300 2.0T W205
P04DB79

Good morning guys

I have 2015 mercedes c300 2.0T w205
previously i had issue with the timing turned out the camshaft were bad so i replaced them and the car worked just fine later on i got P052E i changed the valve completely i bought the part from the dealer and now I'm having P04DB79 so after diagnosed find out maybe the valve is bad that we replaced so i did swapped it thru the warranty and nothing this code keep coming back any help i appreciated
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Old Nov 3, 2021 | 03:49 PM
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From: Toronto
2022 E53 AMG
Send the car back to Mercedes as they will have e live scan it.
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Old Nov 5, 2021 | 08:50 PM
  #3  
Dulama's Avatar
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From: Manchester ,CT
2015 mercedes c300 2.0T W205
Originally Posted by Cosworth2000
Send the car back to Mercedes as they will have e live scan it.
i did the job by my self and mercedes won't covered
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Old Jan 9, 2024 | 07:31 PM
  #4  
Alexey Mukhin's Avatar
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From: San Jose
2014 w204 c250 1.8L
Originally Posted by Dulama
i did the job by my self and mercedes won't covered
any updates? I'm facing the same issue on a 2018 CLA 250. Had the p052, changed the pcv and now ai have a p04db. The new code is also stuck permanent position so clearing it doesn't help.
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Old Jan 10, 2024 | 11:07 AM
  #5  
Dulama's Avatar
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From: Manchester ,CT
2015 mercedes c300 2.0T W205
P04DB

The problem on mine was on the pcv was there’s connector with 2 wires one of the wire were loose i rewired and cleaned the connector and the codes went away
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