E-Class (W212) 2010 - 2016: E 350, E 550
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Old Nov 5, 2019 | 04:35 AM
  #1  
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E350
Flex Fuel

Hey guys I'm working on a 2013 Mercedes E350 it's currently setting P0178 for the Fuel Quality Sensor. Does anyone know where this sensor is located? Thanks
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Old Mar 9, 2020 | 11:47 PM
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E350 2013
Originally Posted by ahill007ny
Hey guys I'm working on a 2013 Mercedes E350 it's currently setting P0178 for the Fuel Quality Sensor. Does anyone know where this sensor is located? Thanks
i have the same issue. Did you ever find the location and was it the issue?
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Old Mar 17, 2020 | 03:07 PM
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'71 Pinto

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Old Jan 21, 2022 | 11:56 AM
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2014 C350 Sport
guys hello did anyone confirm where this is at? can you see it from the bottom of the car? do y'all know the part number as well. my car is thowing out that code and I have noticed it is loosing about 3 miles per gallon now. My car would stall in the middle of driving constantly. I replace the Crankshaft Position sensor its stopped for a good 5 days and now does it randomly and not very often. Would this sensor cause the
car to also stall? thanks for your help.

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Old Jan 21, 2022 | 08:29 PM
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2012 E550 sedan 2019 E63 Wagon
The picture above from Konigstiger, shows is below the gas tank? And check your gas station, you may be getting bad gas.
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Old Sep 29, 2023 | 07:02 PM
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Originally Posted by konigstiger
Trying to find the part number. I this from the WIS/ASRA? Thanks!
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Old Sep 30, 2023 | 08:27 PM
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Here on the C-Class, it's midway on the car on the driver's side under the plastic splash shield. Item 200 in the pic. Part no. A 000 905 42 00.



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Old Sep 30, 2023 | 08:30 PM
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It's actually called a Pressure and Temp. Sensor.


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