Mercedes-Benz E500 4MATIC Problems

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

Problem Description and Possible Solution

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.

(4 people reported this problem)

Mercedes-Benz E500 4MATIC Vehicles With This Problem

RepairPal Verified
Average mileage: 106,000 (105,000–107,000)
2 model years affected: 2005, 2006
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