Airmatic Pump Motor May Fail Due to Sticking Relay on Mercedes-Benz CLS63 AMG

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: (–)
4 model years affected: 2007, 2008, 2009, 2010 more
4 people reported this problem
0 people shared problem details
Related Items:
The radar system shuts down, apparently due to lack of feedback from other vehicles.
the fluid circaltion not running due to coolinn fan not working properly , what is the cased...
Rear air springs (bellows) may develop leaks, which causes the air pump to run more often to m...

Related Content