How long do Mercedes air struts last?
Now, to your question about AIRmatic, it looks like the front air springs last anywhere between 10 and 15 years with typical American driving before needing replacement. The rears last longer, likely because they’re not supporting the weight of the engine nor having to deal with turns and such.
What happens when the Airmatic pump is not working?
The AirMatic pump is a specialized part that pumps air into the suspension, and when it isn’t working properly, it can cause serious issues with your car’s functionality. Q: What does a relay do for the system? A: Your air suspension utilizes a relay to turn the AirMatic pump on and off.
Is the Airmatic pump motor failure in Mercedes?
A: Your Mercedes’ AirMatic pump is a specially designed system that ensures the function and performance of the vehicle’s suspension.
Can a sticking relay cause an Airmatic pump to fail?
A: AirMatic pump failure can be due to a number of different causes, not just a sticking relay. However, if the problem is due to a sticking relay, then the pump will not shut off while the car is parked. This is problematic because it can drain your car’s battery, leaving you with an ineffective suspension, and a battery jump.
What to do if there is no power to the air suspension pump?
If there is no power going to the air suspension compressor, check the air suspension fuse and relay. Here is a picture that shows no power to the air suspension pump. The next step would be to use a professional diagnostic scanner such as the iCarsoft MB II to check the fault codes for the Air Suspension Control Unit.
Why does my Airmatic suspension pump keep running?
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.
What to do if your air pump is failing?
If you suspect that your air pump may be having a problem, or your Check Engine Light has come on, have the vehicle diagnosed by a professional technician, such as one from YourMechanic. If necessary, they will be able to replace the air pump and restore proper performance to your vehicle.
How does the Mercedes-Benz Airmatic suspension work?
The suspension is also adaptive and automatically switches the damping profile to Sport 1 above 100 mph. The compressor provides the system pressure for raising the vehicle as well as a pressure relief valve for lowering it. The compressor relay is responsible for starting and stopping the compressor.
Why does my Airmatic pump make a buzzing noise?
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.