If youre experiencing problems with your Mercedes-Benz, the YOUCANIC full system diagnostic scanner can provide invaluable assistance in troubleshooting the issues. But the article relates to a W211 and not a W220. You can use a diagnostic scanner to retrieve and erase the fault codes. Let the vehicle sit overnight with the air suspension computer unplugged and measure the ride height after that. Your Mercedes-Benz drops to the ground, and you may even end up towing your car because it is no longer drivable. I could've ended up buying unnecessary parts thinking it was something else . It's a five-door car. The most popular service booked by readers of this article is Suspension Inspection. Spray some water and soap and carefully watch if bubbles form. you can see the pin numbers on the connector either on the face or on the end that the wires go into. Was it wrong to park my S430 with the tyres turned? There is a second switch that changes the drive modes of the vehicle. You can use Epoxy Hack(Cheap and Dirty Repair, usually works), Airmatic Strut Shock Repair Kit (Official repair, still much less expensive than strut replacement), These solutions have been shown to work. They develop a leak at the mastic at the top of the strut. Air Ride systems are designed to work with air or hydraulic suspension. Note that you can actually raise it from dead flat, if the compressor is optimal. How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). When you replace the fuse, but it keeps blowing, you might have a problem with the air compressor motor or pump. One day you hear of other Mercedes-Benz owners having suspension problems. Possible causes of a faulty relay include a short circuit, an electrical fault, or a broken wire. Subscribe for updates! You may also notice that the car seems to lean more in corners than it used to. This is the brain of the system. By accessing MB Medic [www.mercedesmedic.com], you agree that you have read, understood, and will abide by the: Check for Recalls, Technical Service Bulletins, DIY instructions on how to replace the air compressor, download instructions on performing this repair, Mercedes Benz Air Suspension Strut Shock repair kit Part Number 2203202538, WIS Air Suspension Top Seal Replacement Procedure (by BenzWorld).pdf, aftermarket suspension conversion kits for Mercedes-Benz, Mercedes-Benz Star Diagnostic Scanner Tool Everything you need to know, Mercedes-Benz wont start| Step by Step Troubleshooting Guide, 10 Things All Mercedes-Benz Owners Should Know, How to use a OBDII Bluetooth adapter to reset Check Engine Light on your Mercedes-Benz, Top 10 Best Diagnostic Scanners Mercedes-Benz, Mercedes Transmission Problems, Limp Mode, No Shifting: Troubleshooting Tips, The vehicle is too low. I have had to have engine work done and car needs moving to another engine specialist. Restarting the Car In most instances, the warning sign you are seeing is likely gone the next time you restart your car. The air suspension in the Mercedes Benz works by utilizing air springs with electronic controls and adaptive damping instead of the conventional coil and steel springs used in most automobiles. Look at the 40 AMP fuse F32, and ensure it is not blown. You wouldn't think it, but the instrument cluster plays a vital roll in the Airmatic system. If it is indeed blown, replace it with a new one with the same amperage and see if that solves the problem. Even if the vehicle was parked for a while. The air suspension compressor filter should be replaced as it is considered a maintenance item. The compressor is located in the forward portion of the front-left wheel well. If you have a sudden change in the way that Hello. You can replace the Fuse with a new one, but if it keeps blowing, you have another issue, usually pointing at the air compressor pump/motor. By connecting to your cars onboard computer, the scanner can read fault codes and provide detailed information about any problems with your engine, transmission, brakes, and other systems. Another symptom of a compressor issue is a leak. Your Mercedes-Benz drops to the ground, and you may even end up towing your car because it is no longer drivable. It is the same even if I changed Struts front and rear. 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. In some instances, the vehicle tends to lean to one side while parked on an even surface. Also you compressor has to work extra hard and eventually will fail too. Mercedes has built more than a handful of sporty, luxurious vehicles with manual transmissions. The steering gear box is what is allowing the wheels to turn left and right when using the steering wheel. You will need to pull back the carpeting to access it where it is mounted on a plate. With this leak detector, even if there is a small leak, it will show a bubble immediately, which you may miss with a soap and water mix. First, check the pressure in the struts using a gauge - if it's low, that's a good indication that there's a leak. 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. The former means the problem is a grave one and needs an immediate solution. I can leave it for a week and it would remain the same height. You can tell if your vehicle has an air suspension system if you hear a pumping sound from the wheel's airbags. What You can do is remove the battery cables and let the car sit for about 30 to 60 minutes. An audible hissing at the strut assembly is a good indicator of a front strut failure. The suspension system cannot function without it. A weak compressor will prevent the vehicle from rising or may cause it to rise slowly. Check these out to see just how in-depth we go to make them. I have a Yr. 2000. Now there are plenty of aftermarket airlift conversion kits, but AIRMatic suspension is factory installed on several Mercedes-Benz models. 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. Data Sources: - * All content is shared, and reprinted from the Internet. There are a couple of ways to perform this. There is a towing button right above the rearview mirror, this button will turn off the air suspension on the Mercedes gl450. Then gets worse. Mercedes-Benz GL450 V8-4.6L - Suspension Inspection - Indianapolis, Indiana. If I hotwire it off the battery, it runs and produces pressure on the hose end. Save my name, email, and website in this browser for the next time I comment. There is no tow button on a 2011 or 2012 above the mirror of a gl450. Suppose you are a new owner or mechanic that hasnt worked on air suspension before. Located in the rear of the vehicle, the air springs consist of an electronically-controlled main cell and an additional reservoir. It's a new year, and that means new inventory. Use a multimeter to test if there is 12-volt power at the connector. You will have to invest around $200 on the scanner, which will pay for itself quickly. A healthy compressor should output a minimum of 10 bar on the scan tool. they are at 665kg 1466lb's. Here are some of the most common symptoms of air suspension problems in the Mercedes GL450: If your GL450's ride quality has degraded significantly, there may be an issue with the air suspension system. I'm not so sure it is an actual leak! As great as air suspensions are, they come with their flaws. These can simply be a weak compressor or an air leak between the compressor and the valve block or the valve block and the strut. Arnott branded compressors sold through us include the compressor relay which should always be replaced. Note that it is not advised for You to drive with the suspension turned off. Your email address will not be published. [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 = ""; amzn_assoc_default_search_phrase = "mercedes air suspension strut"; amzn_assoc_default_category = "Automotive"; amzn_assoc_linkid = "ffcc31f80950d2fefb1ecec6faffd973"; amzn_assoc_rows = "1"; // ]]> In the following video, you will learn how to use a Autel MaxiDAS DS708 to diagnose Mercedes-Benz air suspension problems. The dampers usually still have a little life left in them, however, the air bladders begin to fail around this mileage. The sensors detect the vehicle level at the axle and send a resistance reading to the air suspension control unit. The levels sensors are mounted on a bracket near the upper control arms on the front of the vehicle. 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 The air suspension system in the Mercedes Benz GL450 can be turned off if you wish to jack it up for repair. :dunno: Yes it's a leak - most likely due to one of the air springs developing a split in the rubber casing. Once you scan the car, you may get fault codes. For a better experience, please enable JavaScript in your browser before proceeding. The vehicle level is continually monitored and readjusted whenever there is a difference of more than +/- 20 mm. The other option is to manually raise the car with the jack and put blocks on top of the upper control arm. The turbocharger then takes over and maintains this peak torque until 4,500 RPM before the torque depletes. Most advanced OBD II scanners will read and clear the airbag, air suspension, transmission, and other system trouble codes. You can restart the car. Visit workshop. Great job! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Here is a picture that shows where they are located. If the air suspension system has failed, the car will sit lower to the ground than normal. Compressor leaks can be dangerous, as they can cause the air suspension to fail completely. If your car pulls to the left or leans to one side, check that your tires are all the same size, suspension parts are even, and if springs are bent. You can check the latest prices by visiting the, This is the same repair that is often performed by Mercedes-Benz dealerships. Mercedes Mechanic: Lou Palomino. If you're experiencing any of these symptoms, it's important to take your Mercedes GL450 in for service right away. The popping noise still exists. If not, we need to do further troubleshooting. Now your dreams are replaced with nightmares. Dodge Charger V6-3.6L - Suspension Inspection - Atlanta, Georgia. You run the risk of damaging the underside of the car due to lower ground clearance. If the compressor is allowed to continuously operate with abnormal sounds, it may eventually result in damage to the compressor that will cause it to fail. First, lets look at some of the warning signs and symptoms of airmatic suspension problems. Here is what a good fuse should look like. This is the latest version of the firm's Magic Body Control system which was first introduced in the S-Class Coupe in 2014 as the Active Curve Tilting. On the instrument cluster, you will get two messages. Download: WIS Air Suspension Top Seal Replacement Procedure (by BenzWorld).pdf. Sensor brackets get bent or damaged, leading to incorrect or implausible signals. Find out more about the incredibly innovative AIRMATIC semi-active air suspension system, only from Mercedes-Benz.Join the conversation: https://www.facebook.com/mercedesbenzusaFollow us on Twitter: https://twitter.com/mbusa We will guide you through the steps to troubleshoot some of the most common air suspension problems yourself. Learn how to use all of its capabilities. If the filter gets clogged, it can dramatically impact the life and efficiency of the air suspension compressor. The statements expressed above are only for informational purposes and should be independently verified. The airmatic suspension system in the Mercedes Benz is also top-notch. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. However, that does not necessarily mean that it is safe to do so. 01:15 PARKTRONIC Learn how to use the Active Parking Assist feature to help you maneuver in and out of tight spaces. I've replaced the front air struts in my 2012 cls 550 and my. Can someone tell me why or what happened to my car? One is simply age - over time, all parts will eventually start to degrade. It would be best if you filled the air spring plunger correctly. As you apply the leak detector on these locations, check them in the next 5 to 15 minutes. The air suspension compressor filter should be replaced as it is considered a maintenance item. The combination of adaptive damping that adjusts based on road quality and driving style in concert with air springs makes for an extremely comfortable ride. I will put them on this weekend and hope it cures the problem. If one of the air struts fails, typically, the vehicle will fall only on the front or rear end, depending on where the faulty air strut is located. You will spray the lines and the different components with soap and water and look out for air bubbles. It may be worth trying, but research before trying this approach. 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. Aside from the petty annoyances that it can bring, a bad suspension may lead to poor handling, which is a more serious matter.
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