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P1885 code questions

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Old Aug 20, 2024 | 10:06 PM
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2015 e350
I will check but none since ive owned it. any specific places I should be looking at/for?
thank you very much
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Old Aug 20, 2024 | 10:27 PM
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Originally Posted by Wyowolf
I will check but none since ive owned it. any specific places I should be looking at/for?
thank you very much
Around the pillars for the front doors, both sides, just below the carpet. There are others below the seats.

These cars do not like water on the carpets.

​​​​​​Perhaps @CaliBenzDriver may have some suggestions.

I think the communication errors- should be dealt with first.
Last edited by JCM_MB; Aug 20, 2024 at 10:29 PM.
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Old Aug 21, 2024 | 12:23 AM
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W212 MY'14 M276-3.5NA @75kMi

this looks a bit familiar...

-- I would double check oil-in-harness at
ECU, CPS, lambda.

-- if that does not pan out, then see why caused low voltage
Last edited by CaliBenzDriver; Aug 21, 2024 at 01:21 AM.
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Old Aug 21, 2024 | 11:35 AM
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2015 e350
they look ok to me, but it wouldn't hurt to get some electrical contact cleaner and clean them I suppose


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Old Aug 21, 2024 | 03:25 PM
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W212 MY'14 M276-3.5NA @75kMi
troubleshooting
ECU first connector is clean...
how about the second connector??

Is the cam fault still live ??

cam timing code

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Old Aug 22, 2024 | 12:11 AM
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2015 e350
I didn't check the second as I couldn't get it off and didnt want to break anything, however I didnt see any oil on the harness itself. when I get back home ill do more investigation but yes the codes havent changed.

side note, does anyone know what this box does? it just has red and black wires, the other wires are all cut.


Last edited by Wyowolf; Aug 22, 2024 at 12:50 AM.
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Old Aug 22, 2024 | 12:56 AM
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W212 MY'14 M276-3.5NA @75kMi
it's a small aftermarket unit.... like an LTE fleet tracker ??
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Old Aug 22, 2024 | 02:06 AM
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W212 MY'14 M276-3.5NA @75kMi
Originally Posted by Wyowolf
I didn't check the second as I couldn't get it off and didnt want to break anything, however I didnt see any oil on the harness itself. when I get back home ill do more investigation but yes the codes havent changed.

side note, does anyone know what this box does? it just has red and black wires, the other wires are all cut.

I have a real hard time with the odd STORED faults... that don't clear - It makes me doubt of the others as in... crazy ECU or crazy cam/crank sensors or reboot and see
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Old Sep 9, 2024 | 08:14 PM
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2015 e350
checked all the connections, main and the 4 cam pos sensors, all seemed fine but sprayed them with contact cleaner... will let them dry out over night.
another issue, there is a hose, PVC? of some sort disconnected from behind the engine? I can't tell when it's supposed to go. it has been leaking oil back there.
does anyone have a diagram of that? its middle drivers side back.


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Old Sep 9, 2024 | 09:13 PM
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Could it be coolant instead? The coolant temperature sensor is around there, and it is known to leak (plastic)
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Old Sep 9, 2024 | 09:14 PM
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W212 MY'14 M276-3.5NA @75kMi
rear oil leak
The PCV is on Bank1 (passenger side)...
In your picture the standard leak is the coolant plastic elbow that feeds your heater core.

britle plastic elbow

engine rear OIL leak on the driver side may be:
  • vacuum pump blown check-valve ??
  • Intake camshaft B2 rear plug ??
  • dipstick O-ring ??



Last edited by CaliBenzDriver; Sep 9, 2024 at 09:20 PM.
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Old Sep 9, 2024 | 10:18 PM
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2015 e350
Not that one sorry, the one below, hard to see, has a yellow stripe on it. but there does that one you circled go? seems to go into the firewall?

Originally Posted by CaliBenzDriver
The PCV is on Bank1 (passenger side)...
In your picture the standard leak is the coolant plastic elbow that feeds your heater core.

britle plastic elbow

engine rear OIL leak on the driver side may be:
  • vacuum pump blown check-valve ??
  • Intake camshaft B2 rear plug ??
  • dipstick O-ring ??

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Old Sep 9, 2024 | 10:20 PM
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2015 e350
sorry its a Heater hose, not sure about what's back there... pretty hard to see
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