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Air Suspension: Everything You Need to Know

Air Suspension: Everything You Need to Know


When it comes to your car, there are a lot of things that you can do to customize it and make it your own. You can change the paint job, install a new stereo system, or even install an air suspension.
Air suspension is becoming increasingly popular among car enthusiasts because it offers several benefits. It can improve the ride quality of your car, make it look better, and even enhance its performance.
If you're thinking about installing air suspension on your car, there are a few things that you need to know. In this blog post, we'll cover everything you need to know about air suspension, from what it is to how much it costs.
After reading this blog post, we hope you'll better understand air suspension and whether or not it's suitable for your car.


What Is Air Suspension?

what's air suspensions

Air suspension is a car suspension that uses airbags instead of traditional springs. Air suspension can be found on both front and rear axles.

The airbags are filled with air, which allows them to adjust to the changing road conditions. This provides a smoother ride for the passengers and helps to reduce wear and tear on the car.


Advantages of Air Suspension

Now that we've covered what air suspension is and how it works, let's take a look at some of its advantages.

Smoother ride: Air suspension systems provide a smoother ride than traditional steel spring suspensions. Steel springs can transmit road irregularities directly to the passengers, resulting in a jarring and uncomfortable ride. On the other hand, air springs cush the passengers from bumps and potholes. As a result, air suspension systems are often found in luxury vehicles where a smooth ride is paramount.

Adjustable height: Another advantage of air suspension is that it allows you to adjust the ride height of your car. This is done by adding or releasing air from the airbags. If you lower the ride height, it will improve the aerodynamics of your car and make it look more aggressive. Conversely, if you raise the ride height, it can give your vehicle a more SUV-like look.

Improved performance: Lowering the ride height of your car can also improve its performance. This is because it lowers your car's center of gravity, making it more stable and less likely to roll over. In addition, reducing the ride height can also improve your car's handling, making it more responsive.

Reduced wear and tear: Another advantage of air suspension is that it can reduce wear and tear on your car. This is mainly due to the fact that air suspension systems absorb road irregularities, which reduces the amount of stress that is placed on the vehicle. As a result, air suspension can help prolong your car's life.

Disadvantages of Air Suspension

Here are some disadvantages you should be aware of before installing air suspension on your car.

Requires more maintenance: Air suspension requires more maintenance than traditional suspension. This is because the airbags can leak air over time.

More expensive than traditional suspension: Generally, air suspension is more costly than conventional spring suspension. This is because it requires more parts and is more complex to install.

Can be less reliable than traditional suspension: Air suspension can be less reliable than conventional suspension. This is because the airbags can puncture and cause the car to lose its ride height.

How Does Air Suspension Work?

Air suspension systems typically consist of four airbags, two for the front and two for the rear, mounted at each vehicle corner. The airbags are connected to the vehicle's frame with brackets and bolts, and they're connected to the wheels with shock absorbers. 

A compressor powered by the vehicle's engine continuously pumps air into the airbags, and a sensor monitors the air pressure inside them. When the sensor detects that the pressure in one or more of the airbags has dropped below a certain level, it triggers the compressor to begin pumping air into them again. 

This system adjusts the suspension automatically, providing a smooth ride even on rough roads. In addition, air suspension systems can be inflated or deflated manually, allowing drivers to adjust the ride height of their vehicles. This can be useful for driving over obstacles or for negotiating steep inclines.

What Does an Air Suspension Compressor Do?

Air suspension compressors are an essential part of any air suspension system. They work by pressuring the air in the system, which in turn helps to support the vehicle's weight. 

The compressor is typically located near the rear axle and is connected to the air springs via a series of lines. When the vehicle is in motion, the compressor will automatically turn on and start pressurizing the air in the system. This helps to keep the vehicle level and prevents excessive bouncing. 

Do You Need a Compressor for Air Suspension?

When considering whether or not to install air suspension on your vehicle, one of the most important factors to consider is whether or not you need a compressor.

The answer will depend on the type of air suspension system that you choose. If you opt for a passive air suspension system, then you will not need a compressor. These systems use the natural movement of the vehicle to pressurize the air in the system. 

Active air suspension systems, on the other hand, will require a compressor. These systems use an onboard compressor to pressurize the air in the system. This helps to keep the vehicle level, even when it's not in motion.

How Much Does an Air Suspension Compressor Cost?

An air suspension compressor usually costs between $200 and $500. The exact price will depend on the make and model of your car.

If you have an adjustable air suspension system, you will need to replace your air compressor every few years.

How Long Does an Air Suspension Compressor Last?

Unfortunately, there is no one-size-fits-all answer to this question. The lifespan of an air suspension compressor will vary depending on several factors, including the compressor's quality, the type of vehicle it is installed in, and the driving conditions it is subjected to.

Generally, you can expect an air suspension compressor to last around 50,000 miles. Of course, this is just an estimate - some compressors may last much longer, while others may need to be replaced sooner.

With proper maintenance, an air suspension compressor can last for many years. However, if it is not appropriately maintained, it may only last for a few years.


Air suspension is a great way to improve the ride quality of your car. It can also help to reduce wear and tear on the vehicle. However, air suspension does require more maintenance than traditional suspension. Additionally, air compressors can be expensive. 

Whether or not to use air suspension depends on your specific needs and preferences. If you want a smoother ride, air suspension is a great option. However, if you are only looking for a minor improvement in ride quality, you may not need an air compressor.

You might be also interested in:

How Much To Change An Air Spring On A Mercedes Benz?

How To Remove Air Struts On 2008 Ford Expedition

Diagnosing Clunking, Rattling, Or Metal-On-Metal Noises.



Previous article Understanding and Addressing BMW X5 Air Suspension Problems


Matt - September 25, 2022

I am having a tough time finding air ride for my Mercedes Benz slk 250. Any help would be much appreciated.
Thank you.

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