When the seal in the strut degrades, it no longer provides the isolation required, and a leak starts.
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Below we show you how to test your air struts for leaks. They develop a leak at the mastic at the top of the strut. Failed Air Strut The air struts leaking is a very common problem.Sometimes it could be just a $5 faulty relay that may prevent the air suspension compressor from running. In the next section, we will show you how to check if the air suspension compressor is the problem. They either seize up, fail to produce the required pressure, or the brushes inside them wear out. It fills up all the air struts, and it can fail. The air suspension compressor does just that, generating compressed air. The air suspension compressor Failed (Easy DIY repair, Average cost of $200).What are the most common failures?Ī summary of the most common problems with Mercedes-Benz air suspension systems and DIY solutions is provided in the next section: Unfortunately, if the air suspension collapses, the car will not be drivable. Don’t panic! Note that the car, in most cases, will drop too much, and you will not be able to drive it. If the vehicle drops over the next few days, the air suspension may not work to airlift the car. If you get the AIRMATIC Visit Workshop message, your car may still drive but do get it checked out as soon as possible. This will challenge us to track down without a scanner. There could also be a discontinuity problem with any of the air suspension components. For example, you will get C1324-001 or C1325-001, which means the solenoid valves in assembly Y53 ( rear axle damping valve unit) present a communication or fault. Once you scan the car, you may get fault codes.
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You will need an OBD II scanner, such as the YOUCANIC full system scanner, to read the fault codes. “AIRMATIC VISIT WORKSHOP!” message on the instrument cluster. The first is the Air Suspension Failure, Visit Workshop, and the second is the more critical, often shown in red: STOP VEHICLE TOO LOW. On the instrument cluster, you will get two messages. This sophisticated system makes you feel like you are floating while riding a Mercedes-Benz until the airlift suspension fails.įirst, let’s look at some of the warning signs and symptoms of airmatic suspension problems. When the vehicle reaches over 40 mph, the car lowers so that the center of gravity is closer to the ground, improving handling, cornering, reducing drag, vehicle lift, and rollover risk. The suspension will also adapt to the road conditions and the driving style. The vehicle level is continually monitored and readjusted whenever there is a difference of more than +/- 20 mm.
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The driver can select the driving mode, switching between Comfort and Sport modes. The Air Suspension Control Unit controls the suspension on Mercedes-Benz cars equipped with air suspension (N51). You will be surprised when you realize that the air suspension is not that complex.īy continuing to read this article, you agree to have read and accept our Terms and Conditions. If you are having issues with the air suspension on your Mercedes-Benz, this troubleshooting guide is for you. We will guide you through the steps to troubleshoot some of the most common air suspension problems yourself. Suppose you are a new owner or mechanic that hasn’t worked on air suspension before. Even worse, only a few select shops know how to fix them. You take your Mercedes-Benz for a diagnosis and get quoted thousands of dollars for air suspension repair.
Now your dreams are replaced with nightmares. Your Mercedes-Benz drops to the ground, and you may even end up towing your car because it is no longer drivable. The next day you start having air suspension problems yourself. One day you hear of other Mercedes-Benz owners having suspension problems. You decide to buy a Mercedes-Benz, an S-Class, CLS-Class, R-Class, CL-Class, or E-Class.
Learn how to troubleshoot Mercedes-Benz Air Suspension Problems. Now there are plenty of aftermarket airlift conversion kits, but AIRMatic suspension is factory installed on several Mercedes-Benz models. How many cars can you change the suspension settings from comfort to sport with a button? Raise the vehicle a few centimeters in just a few seconds. This system is often called AIRmatic, airlift, air ride, or hydraulic Active Body Control (ABC) suspension. Otherwise, you may pay thousands for AIRmatic repairs you don’t need.ĭriving a car with air or hydraulic suspension is a dream come true. Whether you decide to repair the air suspension yourself or have a mechanic do the work, read this troubleshooting guide first to know what to expect. Mercedes-Benz lowered to the ground, all four wheels.Mercedes-Benz is sagging in front or back.Airmatic Malfunction Warning on the dashboard.Experiencing one of the following problems:
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