Car Problem Reports

Mercedes-Benz E320 CDI Airmatic Pump Motors May Fail Due to Sticking Relays

 
Mercedes-Benz E320 CDI Problem
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Model Years Affected: 2005, 2006

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The relay which turns the airmatic suspension pump on may fail causing the pump to run continuously. This can result in failure of the pump motor or a dead battery as the pump motor will continue to run after the car is turned off. Also, Worn airmatic pump mount bushings can causes noises in the front axle while driving on bumpy roads or a buzzing noise while the pump is running.

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