Like a standard shock, strut, or coil spring, these parts wear out over time and need replacement. If moisture gets in the air spring reservoir, the aluminum corrodes and becomes pitted where it is clamped to the rubber hose, forming an incomplete seal. For example, if you notice the check engine light on, the scanner can assist you in identifying the problem and determining if its a simple issue you can address at home or if you need to take it to a mechanic. There is specifically designed block for that purpose but once you raise the car you will see that you may be able to make your own block to fit on top of the upper control arm. Dont panic! Driving a car with air or hydraulic suspension is a dream come true. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Kyle is the Mercedes Catalog Manager at FCP Euro and has been with the company since 2014. The new GLE, allows the SUV to tilt up to 3 degrees into a turn to counter any body roll and works remarkably well. You may also notice that the car seems to lean more in corners than it used to. Replacing air suspension parts will take some work, but can be done by a do-it-yourselfer. Information from these sensors are used to calculate vertical and horizontal acceleration. The other option is to manually raise the car with the jack and put blocks on top of the upper control arm. Additionally, the scanner can perform diagnostic tests on various systems, such as the ABS, airbag, and steering systems, to help identify the underlying cause of any issues. Now the air springs wont inflate at all. The air suspension compressor filter should be replaced as it is considered a maintenance item. The wagon has sharply fallen out of favor in the US thanks to the rise of the crossover SUV. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. You can raise the vehicle 20-25mm (market dependent) using a switch near the shift lever. Id there a way of testing those? As you apply the leak detector on these locations, check them in the next 5 to 15 minutes. The compressor provides the system pressure for raising the vehicle as well as a pressure relief valve for lowering it. Now there are plenty of aftermarket airlift conversion kits, but AIRMatic suspension is factory installed on several Mercedes-Benz models. You might be asking why you would want such a complex system in place of the much simpler coil-spring setup. If you're still hearing a rubbing noise after taking these steps, the air suspension itself may be damaged. AIRMATIC VISIT WORKSHOP! message on the instrument cluster. Get help answering any questions you have, The valve blocks in W211/219 are not as failure prone as other Mercedes chassis where the solenoids are integrated such as W220/164. There is no tow button on a 2011 or 2012 above the mirror of a gl450. Procedures are similar for other Mercedes-Benz with air suspension, but the location of the relay and Fuse may change. Located at various points in the interior and exterior of the vehicle. what do you thing? I HAVE A GL450 I NEED TO KNOW THE LOCATION OF THE AIR - Fixya If a significant leak has developed, you may hear a hissing sound from the wheel housing area. If you dont feel comfortable with the two solutions mentioned above, your next best bet would be to install a refurbished or new Arnott air strut. In this process, you must remove and replace the top seal. Everytime I unlock my car after awhile this weird sound comes from them left front wheel area . This system gives the vehicle a smoother ride and better handling, and can even be adjusted to provide more clearance for off-road driving or for tackling tough terrains. The main problem with the valve block is that the solenoid valves may leak air back to the compressor or the central air reservoir. Air suspension problems can often be repaired, but if left unchecked they can lead to more serious issues like poor ride quality, poor handling, and even premature tire wear. // How to turn off air suspension on mercedes gl450 I opened up a box to take a peak, and the air springs looked really good. Your email address will not be published. As you fill the air struts/spring again, ensure the bellow covers are extended down and not folded upwards. I will probably install then next weekend. Most advanced OBD II scanners will read and clear the airbag, air suspension, transmission, and other system trouble codes. Air suspension reset on the Mercedes Benz wasn't invented by the Mercedes Benz, however, there have been several innovations. In addition to these features, there're; adjustable damping suspension, 64-color LED ambient lighting, side mirror logo projectors, rain-sensing wipers, a power tailgate, a heated steering wheel, ARTICO synthetic leather upholstery, and a power sunroof. Flat rate pricing based on labor time and parts, Trusted mechanics, rated by thousands of happy car owners, Hand-picked, community-rated professionals, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance. The sensors detect the vehicle level at the axle and send a resistance reading to the air suspension control unit. Unfortunately, if the air suspension collapses, the car will not be drivable. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Note that it is not advised for You to drive with the suspension turned off. One of the most popular car modifications done today is lowering a vehicles suspension (https://www.yourmechanic.com/article/how-car-suspension-system-works). Next thing is to manually raise the car. The air spring contains two chambers, one air chamber is used when a firm spring rate is needed and both chambers are filled for a softer spring rate. To fix this problem, you will need to replace the affected parts. One of the first and most common symptoms of a problem with the air suspension compressor is a noticeably lower vehicle ride height. The Air Suspension Control Unit controls the suspension on Mercedes-Benz cars equipped with air suspension (N51). The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Best to get it fixed asap so you minimize the damage being done to the compressor running all the time to keep the bad spring pumped up. This system allows you to alter the suspension settings with the push of a button. There are aftermarket suspension conversion kits for Mercedes-Benz that even include the fix for the control module so that you never get that air suspension warning message again. The suspension on your vehicle is comprised of many different components. Therefore, repairing this issue is not something that you should put off for long. Release the button and wait for the indicator light to stop flashing. If the system operates use soapy water to test for other leaks, older systems will likely have a few weak areas. You can find Arnott air suspension compressors and struts on Amazon. VehicleHistory.com If you suspect a blown fuse, check the air suspension fuse first. If the Fuse keeps on blowing, this typically points to air suspension compressor issues. As great as air suspensions are, they come with their flaws. It also has a direct connection to the air compressor and has the pressure sensor for the system. Vehicle riding lower than normal. Out of all the components in the system, this is one is the most prone to leaks. If you're noticing that your Mercedes GL450 isn't riding as smoothly as it used to, it might also be due to worn seals in the air struts. You can find Arnott air suspension compressors and struts on Amazon. If your vehicle doesn't have an air suspension system, you don't need to worry. Subscribe for updates! You will spray the lines and the different components with soap and water and look out for air bubbles. If the air suspension compressor works as designed, you will hear the compressor engage and run for several seconds. If the filter gets clogged, it can dramatically impact the life and efficiency of the air suspension compressor. Its an excellent investment for both DIY mechanics and professional technicians, as it can assist in diagnosing and resolving even the most complex automotive problems quickly, saving you time and money on costly repairs. According to owners of the Mercedes GL450 who encountered air suspension problems in their vehicles as well as mechanics who have vast experience working on the issue, this malfunction can be traced back to the following factors: If you're having trouble with your Mercedes GL450 air suspension, there are a few things that could be going on but the first thing to check is the compressor. Air Suspensions: Common Problems, Easy Solutions This is due to thermal contraction and can drop up to 30mm in one day. I let everyone know if it fixed the issue. Mercedes GL450 Air Suspension Malfunction - Reasons and Solutions By continuing to read this article, you agree to have read and accept our Terms and Conditions. Another possibility is driving in particularly rough conditions, such as off-road. The nineties were filled with crazy concepts from European manufacturers. Note that the car, in most cases, will drop too much, and you will not be able to drive it. How to activate & deactivate jacking mode on Mercedes-Benz - YouTube I believe the air relief is normal from what I read but is it suppose to adjust slightly after parked, its very minimal but enough where I can feel it and see it move. Note that the repair itself is not complicated. $800 in parts and labor wasted. Could this be some type of electronic failure? I have the same problem with my 08 gl450. Here is what a good fuse should look like. [CDATA[ amzn_assoc_placement = "adunit0"; amzn_assoc_search_bar = "false"; amzn_assoc_tracking_id = "mercmedi00-20"; amzn_assoc_search_bar_position = "top"; amzn_assoc_ad_mode = "search"; amzn_assoc_ad_type = "smart"; amzn_assoc_marketplace = "amazon"; amzn_assoc_region = "US"; amzn_assoc_title = "Mercedes-Benz Air Suspension Compressors"; amzn_assoc_default_search_phrase = "mercedes air suspension pump compressor"; amzn_assoc_default_category = "Automotive"; amzn_assoc_linkid = "ffcc31f80950d2fefb1ecec6faffd973"; amzn_assoc_rows = "1"; // ]]> // How Do I Lower The Air Suspension In My Mercedes Using OBD2? Plug the scanner into the OBD II port, and it will tell you more about your problem than what we can in this article. In 2015, ahead of the 2016 model year, the production of the Mercedes Benz GLE 450 started. The front lateral sensors are located on the strut tower just forward of the front air strut. Below we show you how to test your air struts for leaks. The air strut is an assembly consisting of a monotube shock absorber with electromagnetic damping valves that change setting based on commands from the suspension control module. Mercedes Benz Air Suspension Troubleshooting Guide Airmatic Visit Workshop. Our air to coil spring conversion kits are brand new and built to give your GL320, GL350, GL450 or GL550 a more reliable suspension system. The root cause of strut failures. The driver can select the driving mode, switching between Comfort and Sport modes. Locate the air suspension compressor. If the compressor is worn or is having a problem, it may not be able to adequately inflate the air bags and the vehicle may sit and ride noticeably lower as a result. This is to check if the pump fuse is damaged. Here is an original listing of the. This is something best done by a professional mechanic, as it can be tricky to get the new strut properly seated and pressurized. Be the first one know about our news, promotions, and special events or more.. You encounter its failure signs. You will also have a very loose and floaty steering wheel. the compressor is located under the air cleaner box. One feature of the GLE is its curvaceous and elegant body. The car adheres to a familiar rule as the original 1990s ML-Class. Before jacking up the vehicle with its air suspension, turn off the suspension switch. they are at 665kg 1466lb's. If you dont feel comfortable with the two solutions mentioned above, your next best bet would be to install a refurbished or new, . There are a few possible causes of this problem, but the most likely is that the brass valve is not properly seated. The fuse is in position 74. There is a second switch that changes the drive modes of the vehicle. The air ride compressor pump was damaged, causing it to become weak. Buying a cheap European luxury car can be intimidating. If the compressor isn't working properly, it can cause some issues with the air suspension. You might also notice side-to-side body motion that's not controlled as well as pitching and diving. What repair and costs am i looking at. You press the button to raise the vehicle, and nothing happens. The suspension was manually pumped up then they turned off my suspension. (If shocks are not replaced) Anyway, I ordered new front set from arnott and will be installing them this weekend. Plug the device into the OBD port A menu will show on the screen Choose one of the preconfigured settings or create your custom configuration Save the changes (it will take a few seconds for it to write this to the car) Remove the device Turn off the ignition A passion project born from a crazy idea from FCP Euro's Director of Motorsports, learn how this Mercedes 190E went from Mundane to a modern touring car legend. Here are some of the coolest concepts that have fallen through the cracks. There is a chance of a blown fuse for the air compressor pump. When you replace the fuse, but it keeps blowing, you might have a problem with the air compressor motor or pump. The rear suspension airbags are the most common failure component on this chassis. Apply leak detectors at those locations to make sure they are not leaking. With fuse #32 removed, the engine will crank and run whether raised or lowered, but obviously theres no air suspension in operation. Worn air struts can cause many problems for your Mercedes GL450, so it's important to be on the lookout for signs of wear. They can diagnose the problem and carry out the necessary repairs. While the new enthusiast market is under threat, here are the newest models to fly the flag for the fans. Airmatic Air to Coil Spring and Strut Suspension Conversion Kit - GL Very knowledgeable mechanic, easy to talk to, very good at his job, I recommend him for all your vehicle needs. In the next section, we will show you how to check if the air suspension compressor is the problem. The dealer quoted me $2900 to replace both front struts. If not, there may be an issue with the air suspension compressor or air springs. These seals help to keep the air in the struts pressurized, and over time they can start to break down and leak. The tank is most commonly used to level the vehicle when the door or trunk is first opened. MERCEDES-BENZ GL 450/550/320 AIR SUSPENSION DIY - YouTube Furthermore, the 2022 GLE 450 has a 3.0-liter inline-6 turbocharged engine It works with a mild hybrid drive. There are a couple of ways to perform this. The former means the problem is a grave one and needs an immediate solution. They develop a leak at the mastic at the top of the strut. They are slightly more expensive than the two proposed solutions but still cheaper than replacing them with dealer parts. due to the metal on the metal fitting between the brass valve and the strut connection. Clearance at the rear airbags is limited so having this special socket is useful. Turn it on till the dashboard indicators are on. 01:51 Augmented Reality Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. The distribution block sends pressure from a single connection at the valve block to individual lines that go to each air spring. If 12 volts or higher goes to the air suspension compressor, but the compressor does not engage, you have a defective air suspension compressor. However, that does not necessarily mean that it is safe to do so. You can pull the covers downwards by hand. If you plan on owning a Mercedes-Benz for a while, consider investing in one of the advanced OBD II scanners mentioned above. To fix it, you may need to replace the relay, repair the wiring or clean the contacts. An air spring assembly sits on top of the strut and is responsible for height adjustment as well as air spring damping. The Mercedes-Benz Company has been around for a long time. E-ACTIVE BODY CONTROL suspension Executive Rear Seat Package with large center foldable console with 7" MBUX tablet in the rear, wireless charging and comfort headrests; Executive Rear Seat Package PLUS also includes heated and ventilated and multicontour seats in the rear Augmented Video for Navigation MBUX Interior Assistant gesture control So I have been researching this to see if its normal. Top Answer. Lifehacks That Kill Your Vehicle, KIA Sportage Hidden Features - Making Your SUV Even Smarter. Raise the vehicle a few centimeters in just a few seconds. You can use a diagnostic scanner to retrieve and erase the fault codes. Unplugging the suspension module will prevent the vehicle from automatically re-leveling overnight. If you performed any suspension repair, ensure the level sensor at the front airmatic strut is not installed backward. You will often find the airlines on eBay much cheaper. 4. 7,212 satisfied customers. The valve block contains valves that open and close to direct the air pressure sent to each air sturt. you can see the pin numbers on the connector either on the face or on the end that the wires go into. The vehicle level is continually monitored and readjusted whenever there is a difference of more than +/- 20 mm. A failing air suspension system can often be diagnosed by a loud noise coming from the car when driving over bumps or potholes. You take your Mercedes-Benz for a diagnosis and get quoted thousands of dollars for air suspension repair. A mechanic can do this by checking the pressure in the system and looking for any signs of leakage. Just replaced a defective air spring on a 2012 R350 4matic, with air springs at the back and good old fashioned coil springs on the front. Arnott branded compressors sold through us include the compressor relay which should always be replaced. Compressor leaks can be dangerous, as they can cause the air suspension to fail completely. JavaScript is disabled. The turbocharger then takes over and maintains this peak torque until 4,500 RPM before the torque depletes. :dunno: Yes it's a leak - most likely due to one of the air springs developing a split in the rubber casing. Do I need to have it checked by a mechanic? No Rise after New suspension valve block and pump - Mercedes-Benz Forum You want to listen closely for a hissing noise after the suspension begins to raise. There are a few things that can cause air struts to wear out prematurely. MERCEDES-BENZ GL 450/550/320 AIR SUSPENSION DIY - YouTube 0:00 / 13:29 MERCEDES-BENZ GL 450/550/320 AIR SUSPENSION DIY Brandon Pierce 33.4K subscribers Subscribe 756 155K views 5 years ago. In most cases, this can be solved by replacing the compressor unit. The suspension system cannot function without it. Let the vehicle sit overnight with the air suspension computer unplugged and measure the ride height after that. The air is fed from the air suspension compressor or the air reservoir. This noise is caused by air leaking from the suspension system, and is a sure sign that something is wrong. Another common symptom of air suspension problems is poor handling. Usually, when the compressor is having a problem, a few symptoms will be produced that can alert the driver of a potential issue that should be serviced. How do you turn off the air suspension on a Mercedes gls450? You run the risk of damaging the underside of the car due to lower ground clearance. If one air spring will hold pressure and the other will not, there is an air leak in the part of the system that operates the spring that will not hold pressure. Raise and support the vehicle. You can use a diagnostic scanner to retrieve and erase the fault codes. The battery can be disconnected. The GLE 450 can deliver peak torque at an extremely low 1,600 RPM. The compressor is located in the forward portion of the front-left wheel well. It fills up all the air struts, and it can fail. Failures of the ride height sensors are sporadic. To replace the air strut seal, you will need the replacement kit. Air leaks are challenging to troubleshoot, mainly if you use water and soap methods. Inspect the front-level sensors to ensure there is no arm bending. You can activate the jacking mode to fix the wheel problems. This system is able to modify the vehicle's suspension at the push of a button, depending on the driver, all quickly and immediately without having to take it to a technician.