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I have the P0521 code. The full message is: P0521 Engine Oil Pressure Sensor/Switch Circuit Range/Performance
My problem is I can not find any oil PRESSURE switch on the M272 engine. Wherever I search I find the oil LEVEL switch.
Is there no oil PRESSURE switch or sensor on the M272?
Last edited by Kilsgardet; Nov 12, 2018 at 11:37 AM.
272.964 (e350) "MB code 0521" (P2004) = Tumble flap shafts stick in the actuated position. Oil pressure switch is 10 in your diagram, current part # 0011531332.
Last edited by konigstiger; Nov 11, 2018 at 09:53 AM.
Where is oil pressure switch on m272. It’s item 220 in picture
I can not see any picture.
I have not seen any M272 engine with a oil pressure sending unit to show actual oil pressure somewhere.
What Mercedes call oil pressure switch is a unit submerged in the oil pan.
It measures the pressure from oil in the oil pan above the "switch". When the level goes below a certain value the "switch" feels too low pressure and a contact is closed and illuminates a warning light on the instrument panel.
I have not seen any M272 engine with a oil pressure sending unit to show actual oil pressure somewhere.
What Mercedes call oil pressure switch is a unit submerged in the oil pan.
It measures the pressure from oil in the oil pan above the "switch". When the level goes below a certain value the "switch" feels too low pressure and a contact is closed and illuminates a warning light on the instrument panel.
Brgds.
hi kilagardet, in your original post attached pdf name os its item 220 in picture. And the part no is 0051530628 on mb website its also known as temperature sensor or map. Don’t know why they would call it map.
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M272 Oil PRESSURE sensor/switch
M272 Oil pressure sensor/switch
