Airmatic Pump Motor May Fail Due to Sticking Relayon Mercedes-Benz E500 4MATIC

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.

RepairPal Verified
Average mileage : 106,000 (105,000–107,000)
2 Years Affected: 2005, 2006
4 people reported this problem
1 person shared problem details
CAR IS DOWN IN FRONT AND REAR. ALSO BATTERY GOES DEAD AFTER SITTING 48 HOURS
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