Replace air filter when replacing failed mass air flow sensor on Mercedes-Benz E320 4MATIC

The mass air flow (MAF) sensor tends to fail. The engine air filter should be replaced when the mass air flow sensor is replaced; a dirty filter can allow debris to damage the new sensor.

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Average mileage: (–)
8 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004, 2005
8 people reported this problem
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