When the smart key is inserted in the ignition a message appears which says the key may not belong to this vehicle. It’s always a good idea to have an extra key for your Mercedes. prohibiting you from locking/unlocking the doors, Know these important symbols and what to do about them, How to make sure you’re getting the best deal. This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum. This whole issue cost me ZERO dollars to fix!! If you get "Key Not Detected", then it's either a bad key or a bad antenna. says key not detected. When entering into the car the keyless start go couldnt work and showed key not detected. How to fix a No Key Detected Error on push to start cars. car works when i use key fobs in ignition switch. The key not in vehicle warning light tells you when your key isn't detected in your car, so you don't drive off without it. Today, the message appeared and nothing happened when I turned the key, no lights, no sound. I am not a robot. I have been getting a message "key not detected" while driving and when I try to start the car. Unable To Turn The Key, Unable To Start The Car 5. As to worrying they will break something, you are over thinking this, Mercedes made it, they should know best and to try playing around yourself may give them wriggle room under the warranty. Step 1 Reset your Mercedes-Benz key by placing the key in the ignition of your vehicle while the vehicle is turned off. Unfortunately, most cars with push-button start don’t use a physical key to start the ignition, so you may be stranded somewhere without a way to get the car running. The KEYLESS-GO key is not detected while the engine is running because there is interference from a strong source of radio waves. Some day, you’re going to be in a situation where your car won’t detect your key fob, either prohibiting you from locking/unlocking the doors or using the push-start button. Once the key fob is open, remove the battery cover. Virgin of 7G-tronic VGS2 units by Vediamo - part three. When the key is read with AVDI, it reports back User Data 1 and User Data 2, which is an indication it is a KG key, however the "KEYLESS" flag is set to "NO" When it comes to a malfunctioning key fob, you always want to start with the most obvious culprit: the batteries. If, for some reason, you would rather start your Mercedes-Benz using the key, there is a way to do so. Birmingham, Alabama (USA) - 2011 SL550 Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD ! Pt. with the push button back, the car starts perfect. MHH Auto greatly appreciates the cooperation from members on this critical issue. Fortunately I … A warning tone also sounds. That said, if you’re having problems with your push button start feature, be sure to bring it in for a service appointment. If that does not work. AMG menu for free + CNG or preheat lamp fix. retrieved my other key fob with new batteries, and getting the same message. The spare key doesn’t work, either. It can be red or orange. They might be defective. About a week later, my car would not start and the same message appeared. If you have a second key fob, try using it. Mercedes key intermittently works 7. Daimler Group Mercedes-Benz, Smart Discussions. My car won't move anymore. However, in a nutshell -. Remove the cover from the back of the key fob by pulling down and out. whats causing this issue? The same is true whether your key fob is brand new or has been in use for a while. Dashboard Warning Lights Explained: Know these important symbols and what to do about them, If you try to use the push-button start, but the dashboard message appears that a key is not detected, it could be that. The Mercedes Mechanic will know what to do. This process generally takes less than a minute to complete. I can identify crosswalks, busses, cars, traffic lights, and mountain ranges. If the key works inside the car or at the trunk, but not at the doors, you probably have bad door antennas (unrelated to the missing external antenna). How to Start Your Mercedes-Benz With a Key Instead. If you try to use the push-button start, but the dashboard message appears that a key is not detected, it could be that the battery inside the remote is dead. Possible Causes for Your Mercedes Benz Problems. (Related Article: How to Replace Sma… Some owners report an error message, such as "key not detected," or limited range when the key batteries are dead or very low. Some cars can use either method to unlock the doors and start the engine. "Key not detected" Jump to Latest Follow ... car back to the dealer and he said this is a software problem and took the car into the service department with both keys , and updated it . The used EZS also I feel sure came with its own set of keys but cannot confirm as i am still researching the history of the vehicle. I tried both keys and neither worked. Close the key fob. Push start button no longer works says key not detected. Remove the old batteries and snap a new set into place. 3.How to reset your system. Replace the battery in the key fob with a new one (use a coin or screwdriver to pop it open). If your button is in place, each press is like turning the key one position as long as you don’t press on the brake. This problem comes and goes, but now more often then not. Take it to Mercedes, faults need to be logged. When that happens — after you’ve cursed “newfangled” technology that just complicates everything — here are some potential reasons why the car won’t detect the key fob and solutions to fix it. 4. Mercedes is no help.-Nick So to recap, my 2003 CLK320, suddenly I am unable to access my car using keyless go, also the remote is not working. wh … read more Car is currently block the entry to a public parking. Mechanic's Assistant: Lots of things can cause problems with the battery. Today when I try to keyless unlock it wont work so I had to press the fob. He gleefully utilizes his background in theater, literature, and communication to dramatically recite his own articles to nearby youth. Hi. The vehicle has had an EZS replacement performed in the past, and a company virginized a used EZS with (supposedly) the data from the "bad" one that was in the car. I have to use the valet key to enter my car. Key may turn, but the instrument cluster lights don’t turn on 4. MHH is incompatible with Internet explorer! Try any or all of these solutions to start your car: If all else fails, you can have your car towed to a service center that specializes in your car’s brand so they can diagnose the problem and potentially program a new key fob. If the battery dies in the key fob, it won’t be able to communicate with the car and you won’t be able to start the car. 2. Sometimes, the temperature can mess with the electronics. Aaron is unashamed to be a native Clevelander and the proud driver of a Hyundai Veloster Turbo (which recently replaced his 1995 Saturn SC-2). Hello I'm having a big issue. Birmingham, Alabama (USA) - … Up until today, the message appeared, but the car started with no problem. If your vehicle is saying no key detected, if you have not changed the remote battery, replace the battery. Mr. Widmar happily resides in Dayton, Ohio with his magnificent wife, Vicki, but is often on the road with her exploring new destinations. Some models suffer from the defective key … retrieved my other key fob with new batteries, and getting the same message. changed the baterries in key fob (2010 gl 450). the remote itself is broken or no longer programmed to your car. Key doesn’t turn during cold weather 3. If your car doesn’t detect the key fob, the easiest solution is to use the physical backup key instead. "Cars will never stop the engine if the key is not detected anymore," one of the researchers, Aurélien Francillon, explains in an email. Read more How a … 2003 Mercedes SL500 R230, keyless go not recognizing key, chip card not recognized display on dash, i already changed battery in key fob, doors and trunk lock and unlock fine?? While most Mercedes-Benz cars have the SmartKey some models such as the ML Class, SLK Class, Crossfire used a metal blade key up to 2005. With SDS, youc an run diagnostics on the KeylessGo module and the antennas. I have a 2017 GLA250 Mercedes with about 10,000 miles. My keys unlock the car and lock the car open the trunk etc, but when I try to start the car with either key, it tells me the keys cannot be detected. This can come in handy if the Mercedes-Benz key fob battery dies. If you have a metal blade key instead of the Smart Key Remote, it is possible that the key tumbler could be defective. Can turn the key but car won’t start 6. If other things go wrong at a later stage then it is always best to have a complete and documented history. Possible symptoms of a failed Mercedes-Benz include: 1. A Mercedes-AMG engine starts with the state of the art. Not only is it handy in the case of loss or theft, but it can be your own mini diagnostics tool. Press a finger on the "lock" button of your key fob while the key is in the Mercedes' ignition. 3. The contents of this forum are for experimental & educational purposes only. Need advice from experts. and took out the push button to insert the key manually but when i do that the car sometimes doesn't detect the key! From patented processes to cut friction to a new generation of electrified performance, AMG technology is fueled by its racing success. The car always show Key Not Detected on the cluster when a Keyless Go feature is actuated by touching he door handle or attempting the push button start. (This post was last modified: 02-28-2019, 11:09 AM by, (This post was last modified: 02-28-2019, 10:03 PM by. Look for a hidden slot near the steering column that might not be obvious at first. hi so i have keyless go in my car and recently i decided that i want to use the key normally! Looking at a W221, I have ran across an odd issue. Press the start button with the key itself. car works when i use key fobs in ignition switch. and doesn't start but sometimes it does! Key does not turn in the ignition due to failed EIS 2. Do not turn on the vehicle. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. Aaron has high aspirations for his writing career but often gets distracted pondering the profound nature of the human condition and forgets what he was writing… See more articles by Aaron. If it’s a cold day, go indoors and warm up the key fob with your breath. Typically, the warning light will be orange or red if the key isn't detected, and a green light to let you know if the key is in range. Everything from fuel pressure to exhaust routing is developed to quicken, heighten and intensify its response, and yours. Some cars can still detect dead key fobs this way in emergencies. Fortunately, changing the key battery is simple and can be accomplished by using the valet key that comes included with the fob. Just got a pre owned c180 w205. He said I wasn't the first with this issue . W221 Keyless Go Key (confirmed by part number) has Keyless Go disabled on it - Fix? Member/s doing such will be membership revoked. what do i do . ml350 car not detecting key in ignition! I took bot keys to the dealer to have them checked and new batteries put in them. Most models have a removable push button located in the ignition and the dash that allows you to insert your Smart Key and start your Mercedes-Benz with a metal key. Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. 1. If your model has an IR-equipped key fob, it may need to … It's 11pm and this sucks! Tips for Buying Tires: How to make sure you’re getting the best deal. - if the start/stop button is pressed or if an attempt is made to lock the vehicle with the locking button on the outer door handle, the Key Not Detected message appears in the multifunction display - when the engine is running, the red Key Not Detected message appears in … Key Problems: If your Mercedes’ key fob has a dead (or dying) battery, it may not communicate properly with the Electrical Ignition System (EIS). If replacing the battery didn't solve the problem, it's time to move on to Step 2. (Get one made if you don’t have an extra!) read more Pete This should at least show you if the problem is the key or the car. Changed the baterries in key fob (2010 gl 450). As soon as possible, paying attention to road and traffic conditions car the keyless go! Them checked and new batteries, and communication to dramatically recite his own articles to nearby youth key.! 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