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. This should at least show you if the problem is the key or the car. It can be red or orange. If other things go wrong at a later stage then it is always best to have a complete and documented history. and took out the push button to insert the key manually but when i do that the car sometimes doesn't detect the key! Sometimes, the temperature can mess with the electronics. I have been getting a message "key not detected" while driving and when I try to start the car. About a week later, my car would not start and the same message appeared. Fortunately I … 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. It’s always a good idea to have an extra key for your Mercedes. If your vehicle is saying no key detected, if you have not changed the remote battery, replace the battery. Today when I try to keyless unlock it wont work so I had to press the fob. I took bot keys to the dealer to have them checked and new batteries put in them. Unable To Turn The Key, Unable To Start The Car 5. That said, if you’re having problems with your push button start feature, be sure to bring it in for a service appointment. 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. Pt. Push start button no longer works AMG menu for free + CNG or preheat lamp fix. I can identify crosswalks, busses, cars, traffic lights, and mountain ranges. 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. retrieved my other key fob with new batteries, and getting the same message. W221 Keyless Go Key (confirmed by part number) has Keyless Go disabled on it - Fix? However, in a nutshell -. Key doesn’t turn during cold weather 3. Some cars can still detect dead key fobs this way in emergencies. Key does not turn in the ignition due to failed EIS 2. 2. If your model has an IR-equipped key fob, it may need to … Key may turn, but the instrument cluster lights don’t turn on 4. 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. 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 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. says key not detected. Fortunately, changing the key battery is simple and can be accomplished by using the valet key that comes included with the fob. This can come in handy if the Mercedes-Benz key fob battery dies. 3. If, for some reason, you would rather start your Mercedes-Benz using the key, there is a way to do so. Do not turn on the vehicle. How to fix a No Key Detected Error on push to start cars. 3.How to reset your system. Remove the old batteries and snap a new set into place. 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. Not only is it handy in the case of loss or theft, but it can be your own mini diagnostics tool. 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. - 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 … This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum. 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). Possible symptoms of a failed Mercedes-Benz include: 1. Can turn the key but car won’t start 6. ml350 car not detecting key in ignition! retrieved my other key fob with new batteries, and getting the same message. "Cars will never stop the engine if the key is not detected anymore," one of the researchers, Aurélien Francillon, explains in an email. whats causing this issue? If replacing the battery didn't solve the problem, it's time to move on to Step 2. (Related Article: How to Replace Sma… Some cars can use either method to unlock the doors and start the engine. Member/s doing such will be membership revoked. Some models suffer from the defective key … 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. 4. 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?? As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. wh … read more the remote itself is broken or no longer programmed to your car. Remove the cover from the back of the key fob by pulling down and out. A warning tone also sounds. Daimler Group Mercedes-Benz, Smart Discussions. The contents of this forum are for experimental & educational purposes only. If you have a second key fob, try using it. Mercedes key intermittently works 7. The KEYLESS-GO key is not detected while the engine is running because there is interference from a strong source of radio waves. From patented processes to cut friction to a new generation of electrified performance, AMG technology is fueled by its racing success. what do i do . Hi. (This post was last modified: 02-28-2019, 11:09 AM by, (This post was last modified: 02-28-2019, 10:03 PM by. Press a finger on the "lock" button of your key fob while the key is in the Mercedes' ignition. 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. Birmingham, Alabama (USA) - 2011 SL550 Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD MHH is incompatible with Internet explorer! Car is currently block the entry to a public parking. Looking at a W221, I have ran across an odd issue. 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. This problem comes and goes, but now more often then not. Virgin of 7G-tronic VGS2 units by Vediamo - part three. Key Problems: If your Mercedes’ key fob has a dead (or dying) battery, it may not communicate properly with the Electrical Ignition System (EIS). Mr. Widmar happily resides in Dayton, Ohio with his magnificent wife, Vicki, but is often on the road with her exploring new destinations. The same is true whether your key fob is brand new or has been in use for a while. Press the start button with the key itself. says key not detected. "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 . If you get "Key Not Detected", then it's either a bad key or a bad antenna. Look for a hidden slot near the steering column that might not be obvious at first. If that does not work. car works when i use key fobs in ignition switch. 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. 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. Hello I'm having a big issue. Need advice from experts. Just got a pre owned c180 w205. Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. ! This process generally takes less than a minute to complete. I have to use the valet key to enter my car. I am not a robot. I tried both keys and neither worked. 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. Mechanic's Assistant: Lots of things can cause problems with the battery. 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. car works when i use key fobs in ignition switch. With SDS, youc an run diagnostics on the KeylessGo module and the antennas. 1. Tips for Buying Tires: How to make sure you’re getting the best deal. A Mercedes-AMG engine starts with the state of the art. Close the key fob. If it’s a cold day, go indoors and warm up the key fob with your breath. Once the key fob is open, remove the battery cover. Up until today, the message appeared, but the car started with no problem. (Get one made if you don’t have an extra!) Changed the baterries in key fob (2010 gl 450). I have a 2017 GLA250 Mercedes with about 10,000 miles. My car won't move anymore. He said I wasn't the first with this issue . If you have a metal blade key instead of the Smart Key Remote, it is possible that the key tumbler could be defective. Take it to Mercedes, faults need to be logged. 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. Step 1 Reset your Mercedes-Benz key by placing the key in the ignition of your vehicle while the vehicle is turned off. 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" changed the baterries in key fob (2010 gl 450). MHH Auto greatly appreciates the cooperation from members on this critical issue. and doesn't start but sometimes it does! 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). Everything from fuel pressure to exhaust routing is developed to quicken, heighten and intensify its response, and yours. How to Start Your Mercedes-Benz With a Key Instead. read more Pete hi so i have keyless go in my car and recently i decided that i want to use the key normally! Today, the message appeared and nothing happened when I turned the key, no lights, no sound. This whole issue cost me ZERO dollars to fix!! The spare key doesn’t work, either. If your car doesn’t detect the key fob, the easiest solution is to use the physical backup key instead. They might be defective. with the push button back, the car starts perfect. He gleefully utilizes his background in theater, literature, and communication to dramatically recite his own articles to nearby youth. Replace the battery in the key fob with a new one (use a coin or screwdriver to pop it open). When entering into the car the keyless start go couldnt work and showed key not detected. The Mercedes Mechanic will know what to do. When the smart key is inserted in the ignition a message appears which says the key may not belong to this vehicle. Birmingham, Alabama (USA) - … Some owners report an error message, such as "key not detected," or limited range when the key batteries are dead or very low. When it comes to a malfunctioning key fob, you always want to start with the most obvious culprit: the batteries. It's 11pm and this sucks! 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. Read more How a … 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. 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. With no problem a public parking same message appeared and nothing happened when try... Vgs2 units by Vediamo - part three my other key fob by pulling down and out symptoms of failed... Valet key to enter my car and recently i decided that i to. Buying Tires: how to start the engine is running because there is interference a. To enter my car and recently i decided that i want to use the physical backup instead! Batteries put in them in use for a hidden slot near the steering column that not! 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Articles to nearby youth Get one made if you don ’ t work, either mhh Auto greatly the... Can still detect dead key fobs in ignition to world 's most trustworthy automotive.!, AMG technology is fueled by its racing success and new batteries, and yours a. Key normally block the entry to a new one ( use a coin screwdriver... Lamp fix for a while battery dies automotive forum i have been getting a message `` key not detected EIS!