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 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.
How does the Airmatic work when the car is parked?
When the car is parked the airmatic will try to level the car. It does this by discharging air from the airmatic suspension strut that is too high. Typically the car is leveled by lowering the one or two corners of the car that are too high.
How to troubleshoot Mercedes Benz Airmatic suspension using?
While Mercedes Star Diagnostic Scanner SDS C3 or C4 is what is used at dealerships, there are other scanners that you can to use to perform Mercedes-Benz troubleshooting. Note that the generic OBD-II code readers are not able to access the airmatic control unit.
Why does my Mercedes Benz Airmatic make a hissing noise?
You want to listen closely for a hissing noise after the suspension begins to raise. This is the most common failure on Mercedes-Benz equipped with Airmatic. It’s common for them to leak from the hose connection at the reservoir as well as have a bag rupture from age.
Can a pneumatic test be done on Airmatic suspension?
It also can carry pneumatic test if you need to test the airmatic systems including air compressor or the pressure release valve. These test can be performed on most Mercedes-Benz equipped with airmatic suspension such as:
How did Kent find a leak in his W220 S500?
Kent will show you how he found one very small leak in the front and a inconsistant leak in the rear of the airmatic suspension on a W220 S500. Neither of these leaks were showing up on any diagnostic scan so they were not the direct fault of major component failure.