Airmatic Pump Motor May Fail Due to Sticking Relay on Mercedes-Benz E320 CDI

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: (–)
2 model years affected: 2005, 2006
2 people reported this problem
0 people shared problem details
Related Items:
Where is the motor oil filter located on the MB E320 2006 CDI?
A failed digital heater control valve can cause a lack of heat output from the climate control...
I just purchased a 2005 Problem with 2005 Mercedes-Benz Mercedes Benz E320 Cdi I just purchas...
The cup holder in the center console may break.
The ESP and BAS warning lights may illuminate due to a failed brake light switch. Replacement o...

Related Content