GLC Class (X253) Produced 2016-2022

GLC 300 Error code P0520

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Old Mar 19, 2023 | 04:00 PM
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2018 GLC 300
GLC 300 Error code P0520

Hello,

I'm new to the forums. I've looked all over the internet and cannot find any info on anyone having the issue of P0520 on a GLC300.

Anyways I thought I'd ask here. I have a 2018 GLC 300 4 cylinder and I just got error code P0520 which is the oil pressure sensor or switch. I reset the code and it came back and was still P0520. Does anyone know where the oil pressure sensor is located and what part # it is? I keep getting conflicting part numbers from the internet.

Appreciate any help.
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Old Apr 22, 2025 | 11:29 AM
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2028 GLC300
Did you ever resolve this issue? I have the same year and the same code. Do you know where the oil pressure sender is located on the motor
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Old Apr 22, 2025 | 11:45 AM
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2018 GLC 300
Hi, yes i did.

There was a recall type letter i got from MB, I can't remember what it was for but it extended the warranty on certain parts that might fail. Anyways after driving for a year or 2 with the light on and doing some research it looked like the error code could be the cause of it. So I took it to the dealer and sure enough it fell under that letter and they fixed it for free. Phew! Maybe someone can post the letter? I don't have it anymore.
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