2010 E 550 Have three code PO 524 PO859 PO 954 Trying to find what sets the off and what the fix would bf still waiting for my munal to get up and running

 

thats p0 not PO (zero, not oh)... google suggests....

Mercedes-Benz P0524 Engine Oil Pressure Sensor/Switch Circuit

Description Engine Oil Pressure Too Low

What does this mean?
The PCM continuously monitors the engine oil pressure. The Oil Pressure Sensor/Switch sends a signal to the PCM when the engine is running.

Possible symptoms of OBD code P0524 Mercedes
– Engine Light ON (or Service Engine Soon Warning Light) – Oil pressure warning light ON.

Possible causes of OBD code P0524 Mercedes
– Low oil level or motor mechanical fault – Open or short oil level sensor circuit condition – Poor oil level sensor electrical connection – Faulty oil pressure sensor The Error code is generally activated on detection of the following conditions: The P0524 Mercedes is detected when the circuit from oil pressure sensor to PCM is malfunction.

Possible Solutions

The most likely cause is a faulty oil pressure sensor/switch


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Thanks for the replay