Car Problem Reports

Mercedes-Benz E420 Mass Air Flow Sensor Failure Causing Poor Fuel Economy and Check Engine Light on

Mercedes-Benz E420 Problem
4 Reports
Me Too

Model Year Affected: 1997

Average Mileage: 159,385 mi (98,284 mi - 213,421 mi)


The mass air flow sensor can fail, resulting in poor fuel economy and Check Engine Light illumination.

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