Car Problem Reports

Mercedes-Benz C350 4MATIC Replace air filter when replacing failed mass air flow sensor

 
Mercedes-Benz C350 4MATIC Problem
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Model Years Affected: 2006, 2007

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The mass air flow sensor tends to fail causing poor fuel economy and Check Engine light illumination. 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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