E-Class (W211) 2003-2009

Help, Advice/Expertise Needed (2007 E350 4 Matic)

Old Mar 21, 2023 | 04:22 PM
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2007 Mercedes-Benz E350 4 Matic W211 (Gas)
Help, Advice/Expertise Needed (2007 E350 4 Matic)

2007 Mercedes Benz E350 4 Matic Sedan W211
VIN - WDBUF87X17X214769

Here are codes that popped up when I did a Diag Test myself..

P0302P0327P0332P2004P0139P0140P0036

I'm already committed to the car and I know basically nothing about cars but I'm more than willing to learn etc. I'm really just curious about what roughly people think the problem(s) are and how severe it is. Amy input is truly appreciated. Thanks in advance. Below is acreenshot of them.





Last edited by kylv3e; Mar 21, 2023 at 05:19 PM. Reason: Title Update
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Old Mar 22, 2023 | 01:35 PM
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Help pointers

Originally Posted by kylv3e
2007 Mercedes Benz E350 4 Matic Sedan W211
VIN - WDBUF87X17X214769

Here are codes that popped up when I did a Diag Test myself..

P0302P0327P0332P2004P0139P0140P0036

I'm already committed to the car and I know basically nothing about cars but I'm more than willing to learn etc. I'm really just curious about what roughly people think the problem(s) are and how severe it is. Amy input is truly appreciated. Thanks in advance. Below is acreenshot of them.

Write down the description of you fault codes in english so we can begin to understand what's up.

What sort of isssue are you having with this car ??

Eventually get a better scanner such as Autel, iCarsoft or better a Xentry unit...


Last edited by CaliBenzDriver; Mar 22, 2023 at 05:36 PM.
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Old Mar 23, 2023 | 02:57 AM
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2008 E350 4Matic, 2011 E350 4matic
I would pass on the car. It's in the balance shaft range. Some of those errors could be a low battery problem but the fact that they're still pending mean there's something else going on. The heater circuit is part of the wiring to the oxgyen sensor and sensor 2 is the downstream sensor. It may actually be fine as the cause of a misfire in cylinder 2 could be due to faultly fuel injectors or a leaky fuel injector. Typically misfires are plugs or ignition coils but the with error with the oxygen, you'd have to suspect the fuel injector also. Also your P2004 is a stuck intake manifold runner so that means you'd need to replace the intake manifold. Good news with that is that when you remove the intake, you'd need new O-ring gaskets for the fuel injectors and that's the time to replace that bad fuel injector. Bad news is that the car is in range of the bad balance shaft but it doesn't look like you have any codes for that but there are several youtube videos on how to check for a bad balance shaft. Probably about 1/3 of 2007 models are in range of the bad balance shaft. Your knock sensors are probably some other wiring problem.

https://mbworld.org/forums/e-class-w...nce-shaft.html
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