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Prev Professional Automotive Repair Technical Discussions for January 18, 2026
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2008 Mercedes-Benz C300 4Matic Sport 3.0L No Start VIN: WDDGF81X78
Bad body ground, without a trip to the egotistical dealer and certainly without your help. Keyboard warrior your mouth in front of me and I'd bet your tune changes as it always will. Maybe go to Minneapolis and protest instead, weakeners. Trouble codes: P0627 (Fuel A control circuit/open), U0109 (Lost Communication with Fuel Pump control module), 0491 (output for the fuel pump has an electrical fault or open circuit), 2081 (Communication with fuel pump has malfunction).
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