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December 17, 2021

We all agree that riding a car working with an airlift suspension is very comfortable and enjoyable. The system offers us to enjoy rides no matter the road surface and condition. But what about its reliability? Do we know anything about its longevity? If you plan to purchase an automobile with airmatic suspension, you should know all those details.

I know it’s a time-consuming process to search and find each detail about vehicle parts, but I’ve made a great bunch of information that helps you to answer the following questions: What is the air pneumatic suspension? How does it work? What is the average lifespan for the airmatic system? How to recognize signs of a reckless system? What is the must-have tool for air suspension? How to change an automobile level in seconds?

Does it sound interesting? Then let’s start exploring, answer to those questions and find out how reliable the airlift suspension is.

All about airlift suspension system and its longevity

Purchasing and owning a car is always associated with excitement, but on the other hand, by owning a car, we get a big responsibility on our “best buddies”. Car-owner can determine how enjoyable rides he/she gets. Taking good care directly affects the lifespan of a vehicle.

In order to be a good-owner, we should know details about how does it work, which signs should be alerted, how frequently does it need repair, etc. So, let me share with you some useful information about an automobile suspension system.

What is a suspension system?

The suspension is a system of springs, tires, shock absorbers, tire air, and linkages that combines a vehicle to its wheels. It is the main part of   the car which determines the comfort of your ride. It protects any cargo and automobile itself from damage and wears.

The earliest form of suspension in the 18th century was used for carriages and since then it continued development over the years and centuries. As a result of the long development, we have got three different systems: Hydro-gas; Hydrolastic; and an air ride suspension.

Each of them has its’ own specification and differs from each other. I’ll not bother you by describing each of them in detail, but I’ll show you below the main specification of the airmatic system, that distinguishes it from others.

How does the airmatic suspension work?

Airmatic suspension explanation

As we already know, there are three types of suspension systems, but do you know what distinguishes the airmatic suspension from others, and how does it work? In simple words, it uses air and shock absorbers as a working fluid. The air matic suspension system isolates the vehicle’s body from the vibration derived from the road inconsistency.

In this system, air springs are located on the front and rare axles, and it works with the following sequence. Firstly, incoming air passes through the filter, where the dust is filtered. After this, the air passes into the compressor. Here, the air pressure increases up to about 250 MPa from the atmospheric pressure and is sustained in the accumulator tank. The accumulator tank opens when the air pressure increases above 250 MPa.

The longevity of the system

There are many tips and tricks that help you to make your car last longer. Luckily, another outstanding characteristic that distinguishes the airmatic system from others is the longevity. In other words, the lifespan of a system, that determines its reliability. Good news! You won’t have to change the front air springs at least for 10-15 years, and the rears last much longer.

The downside of the system is that replacement might cost more than a thousand dollars, but below I’ll share signs, about which you should alert for avoiding further complications and avoid extra costs.

Signs of unreliable airlift Suspension

unreliable airlift Suspension

As we already know how the airmatic suspension works, and how expansive is to repair the part, let’s learn signs that avoid us further complication. I’d emphasize two main signs, about which you should alert. It is strange noises while driving and lowered car level.

Hearing strange, unusual noises while driving is the most noticeable sign if something goes wrong. Such noises might be a sign of a problem with the compressor’s motor or fan. If you continue driving, as usual, no matter the voice, the compressor might fail. As a result of the compressor failure, airmatic suspension will be disabled. So, if you hear strange noises while in motion, don’t ignore them and visit the service center.

Another noticeable sign is a lowered vehicle. If you notice that your automobile has lowered than normally while in motion, that might be a sign of an air ride suspension issue. As you already know the system works by using pressurized air from the compressor. Hence, if the compressor is out of order, it can’t inflate the airbags. As a result of the issue, we get lowered automobile.

Taken into account the above-mentioned signs, will help you to timely explore if the airlift suspension needs any repair.

Airlift Suspension lowering tool

I guess you already have a quite broad knowledge about the suspension system and have all the needed information for avoiding any circumstances, but what about the must-have kit? If you own a Mercedes, you should definitely have an air suspension lowering tool, that changes vehicles’ level in seconds! The tool is designed specifically for the Mercedes airmatic system and works via OBD II diagnostic port.

Many car-owners hesitate to change the look of their vehicles, as it’s expensive, but using the tool avoids any extra costs and visit the service center. The plug and play module doesn’t require cutting or soldering any wires. The other thing that I like is that It’s simple to use for any car owner, no experience or knowledge of vehicles required. You should simply plug in the module at diagnosis and that’s it!

The other outstanding feature of the device is its variety of options. It has 3 different modes and even if you won’t like the height of your car, you can always adjust the air ride suspension level to the factory settings at any time.

  • Low – The Low option gives you the possibility to lower your car with -32mm in the front and rear parts.
  • Custom – By selecting this feature you can select preferable height upon your wish for the front and rear parts separately (Min -70mm; Max +40mm;)
  • Factory – By choosing the mode, car level goes back to factory settings;

So, if you want to have faster acceleration and quicker stops, higher safety, less rollover risk, better aerodynamics, and change the look of an automobile, you should test the tool. The module offers you not just lowering but also increasing the car level. For instance, if you love spending time in mountainous areas, but don’t own an SUV, the tool helps you to increase the height and enjoy rides no matter the road condition.


All in all, nonetheless of the overwhelming information, hopefully you found it interesting. To sum up, we’ve learned that there are three types of the suspension system. The main specification of the air matic suspension is that, it uses air and shock absorbers as a working fluid.

Now you know that hearing strange noises, or lowered car, are main signs on which you should alert and visit a service center. Besides, you know that Mercedes lowering took can help you to change car level in seconds and it can be used for many reasons. So, let’s test it on your vehicle and share us your feedback.

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