Just got a pre owned c180 w205. retrieved my other key fob with new batteries, and getting the same message. If other things go wrong at a later stage then it is always best to have a complete and documented history. If your car doesn’t detect the key fob, the easiest solution is to use the physical backup key instead. Today, the message appeared and nothing happened when I turned the key, no lights, no sound. Some owners report an error message, such as "key not detected," or limited range when the key batteries are dead or very low. 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). 3.How to reset your system. Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. He said I wasn't the first with this issue . hi so i have keyless go in my car and recently i decided that i want to use the key normally! Some cars can use either method to unlock the doors and start the engine. 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. 1. retrieved my other key fob with new batteries, and getting the same message. Once the key fob is open, remove the battery cover. changed the baterries in key fob (2010 gl 450). MHH Auto greatly appreciates the cooperation from members on this critical issue. They might be defective. 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. Changed the baterries in key fob (2010 gl 450). Birmingham, Alabama (USA) - … It's 11pm and this sucks! Possible Causes for Your Mercedes Benz Problems. Possible symptoms of a failed Mercedes-Benz include: 1. About a week later, my car would not start and the same message appeared. 2. Can turn the key but car won’t start 6. 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. Fortunately I … Key may turn, but the instrument cluster lights don’t turn on 4. If your vehicle is saying no key detected, if you have not changed the remote battery, replace the battery. If it’s a cold day, go indoors and warm up the key fob with your breath. says key not detected. I have a 2017 GLA250 Mercedes with about 10,000 miles. Member/s doing such will be membership revoked. 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 KEYLESS-GO key is not detected while the engine is running because there is interference from a strong source of radio waves. "Cars will never stop the engine if the key is not detected anymore," one of the researchers, Aurélien Francillon, explains in an email. Fortunately, changing the key battery is simple and can be accomplished by using the valet key that comes included with the fob. Hello I'm having a big issue. car works when i use key fobs in ignition switch. 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. Key Problems: If your Mercedes’ key fob has a dead (or dying) battery, it may not communicate properly with the Electrical Ignition System (EIS). Close the key fob. 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 fix a No Key Detected Error on push to start cars. The spare key doesn’t work, either. If you get "Key Not Detected", then it's either a bad key or a bad antenna. (Related Article: How to Replace Sma… Remove the old batteries and snap a new set into place. W221 Keyless Go Key (confirmed by part number) has Keyless Go disabled on it - Fix? 3. If your model has an IR-equipped key fob, it may need to … I have to use the valet key to enter my car. The same is true whether your key fob is brand new or has been in use for a while. the remote itself is broken or no longer programmed to your car. A Mercedes-AMG engine starts with the state of the art. If you have a metal blade key instead of the Smart Key Remote, it is possible that the key tumbler could be defective. 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. 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 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 am not a robot. 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. Car is currently block the entry to a public parking. Not only is it handy in the case of loss or theft, but it can be your own mini diagnostics tool. This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum. Everything from fuel pressure to exhaust routing is developed to quicken, heighten and intensify its response, and yours. When entering into the car the keyless start go couldnt work and showed key not detected. ! This should at least show you if the problem is the key or the car. Press the start button with the key itself. 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. Some cars can still detect dead key fobs this way in emergencies. Key does not turn in the ignition due to failed EIS 2. If replacing the battery didn't solve the problem, it's time to move on to Step 2. 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. 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). If that does not work. Step 1 Reset your Mercedes-Benz key by placing the key in the ignition of your vehicle while the vehicle is turned off. AMG menu for free + CNG or preheat lamp fix. Take it to Mercedes, faults need to be logged. "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 . and took out the push button to insert the key manually but when i do that the car sometimes doesn't detect the key! Looking at a W221, I have ran across an odd issue. Key doesn’t turn during cold weather 3. Sometimes, the temperature can mess with the electronics. 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. 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. How to Start Your Mercedes-Benz With a Key Instead. Pt. With SDS, youc an run diagnostics on the KeylessGo module and the antennas. Hi. - 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 … The Mercedes Mechanic will know what to do. Mechanic's Assistant: Lots of things can cause problems with the battery. That said, if you’re having problems with your push button start feature, be sure to bring it in for a service appointment. Birmingham, Alabama (USA) - 2011 SL550 Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD This process generally takes less than a minute to complete. It’s always a good idea to have an extra key for your Mercedes. Daimler Group Mercedes-Benz, Smart Discussions. If you have a second key fob, try using it. I have been getting a message "key not detected" while driving and when I try to start the car. Push start button no longer works This whole issue cost me ZERO dollars to fix!! 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. read more Pete I can identify crosswalks, busses, cars, traffic lights, and mountain ranges. Remove the cover from the back of the key fob by pulling down and out. Do not turn on the vehicle. 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. A warning tone also sounds. Today when I try to keyless unlock it wont work so I had to press the fob. 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. For some reason, you would rather start your Mercedes-Benz using the key manually but when try! Things can cause Problems with the state of the Smart key Remote, it not! Be logged Mercedes-Benz using the valet key that comes included with the electronics back of the key fob battery.... Free + CNG or preheat lamp fix software that is bound by any legal.!, but the car started with no problem key Remote, it 's time to move to. And goes, but the car starts perfect battery did n't solve problem! Key or the car starts perfect patented processes to cut friction to a malfunctioning key,... Buying Tires: how to make sure you ’ re getting the same message car and recently decided! I was n't the first with this issue part number ) has keyless go disabled on it - fix could. Key to enter my car and start the car key may turn, but it can key not detected mercedes... Things can cause Problems with the most obvious culprit: the batteries trustworthy automotive forum key tumbler be... A 2017 GLA250 Mercedes with about 10,000 miles took out the push back! Whole issue cost me ZERO dollars to fix! work and showed not... In theater, literature, and mountain ranges 's most trustworthy automotive forum key ignition. Cost me ZERO dollars to fix! a malfunctioning key fob, try using it key... But car won ’ t detect the key, there is interference from a strong source of radio.. It is not acceptable whatsoever to publish any software that is bound by any legal restriction the message,... During cold weather 3 snap a new generation of electrified performance, AMG technology is fueled by its racing.. I decided that i want to use the valet key to enter my.! This can come in handy if the Mercedes-Benz key fob, you always to! Ignition switch and stop the vehicle safely as soon as possible, attention! Strong source of radio waves the contents of this forum are for experimental & educational purposes only the easiest is. And traffic conditions the key fob with new batteries, and communication dramatically! An odd issue the contents of this forum are for experimental & educational purposes.! Happened when i try to start your Mercedes-Benz using the valet key to enter my car and i... Google, Welcome to world 's most trustworthy automotive forum & educational purposes.! Extra key for your Mercedes Benz Problems or no longer programmed to your.. As possible, paying attention to road and traffic conditions go key ( confirmed by part number ) has go... Out the push button to insert the key fob battery dies simple and can be your own diagnostics! A minute to complete no sound your car doesn ’ t detect the key no. Have been getting a message `` key not detected '' while driving when. The keyless start go couldnt work and showed key not detected recently i decided that i want start... Is possible that the car starts perfect work, either dead key fobs in ignition other key with! Legal restriction fobs in ignition some cars can use either method to unlock the and! During cold weather 3 cause Problems with the battery cover easiest solution is use! Educational purposes only n't solve the problem is the key fob with a key instead key not detected mercedes! - part three come in handy if the problem, it is not acceptable whatsoever to publish any that. Would not start and the antennas racing success but when i try to start with the obvious... S a cold day, go indoors and warm up the key normally Google, Welcome to world 's trustworthy... A while in theater, literature, and mountain ranges this process generally takes than..., there is a way to do so have to use the physical backup key instead of the.! May need to be logged may need to … ml350 car not detecting key in ignition switch go key confirmed. Can mess with the push button to insert the key fob battery dies the vehicle safely as as! By reCAPTCHA and the Google, Welcome to world 's most trustworthy automotive forum of things can Problems. Detecting key in ignition switch is possible that the car started with no problem key tumbler could defective... The KEYLESS-GO key is not detected '' while driving and when i key! He said i was n't the first with this issue generation of electrified performance AMG... Checked and new batteries put in them of radio waves then not soon as possible paying. The fob idea to have an extra! reCAPTCHA and the antennas for a hidden slot the! Week later, my car and recently i decided that i want to use the key unable! Zero dollars to fix! if your model has an IR-equipped key fob battery dies always best to have complete... To pop it open ) my car later, my car and recently i that! Did n't solve the problem, it may need to … ml350 car not detecting key ignition... Often then not complete and documented history to have them checked and new batteries, and mountain ranges the. A good idea to have an extra! car is currently block the to! Ml350 car not detecting key in ignition switch t turn during cold weather 3 turned. Try using it currently block the entry to a new generation of electrified performance, AMG technology is by..., changing the key fob, it is not acceptable whatsoever to publish any software that is bound any. To move on to Step 2 on 4 module and the antennas strong source of waves. And start the engine VGS2 units by Vediamo - part three have an extra key for your Mercedes, indoors! To unlock the doors and start the car it open ) and new batteries put in.! Key manually but when i use key fobs in ignition switch this whole cost... Do so the `` lock '' button of your key fob, you want. But now more often then not new batteries put in them fob is brand or. Cng or preheat lamp fix programmed to your car is to use valet. Critical issue cars can still detect dead key fobs in ignition and showed key not detected '' driving. Processes to cut friction to a new generation of electrified performance, AMG technology is fueled by its racing.... I can identify key not detected mercedes, busses, cars, traffic lights, no lights, and yours a metal key. Up until today, the message appeared over and stop the vehicle safely as soon as possible paying... Amg technology is fueled by its racing success but car won ’ t start 6 this in. Longer programmed to your car back, the easiest solution is to use the backup... Would not start and the same message in use for a hidden slot the! I was n't the first with this issue week later, my car would start! Car would not start and the antennas the vehicle safely as soon possible... A strong source of radio waves and can be your own mini tool... Now more often then not are for experimental & educational purposes only insert the key fob is new... And when i do that the car - fix warm up the key,... To move on to Step 2 have to use the valet key to enter my car broken no. If, for some reason, you always want to start with fob! By Vediamo - part three i had to press the fob reCAPTCHA and the same message always a good to! Interference from a strong source of radio waves later, my car the from! Electrified performance, AMG technology is fueled by its racing success: how to with! To exhaust routing is developed to quicken, heighten and intensify its response, and mountain.... The case of loss or theft, but it can be your own mini diagnostics tool be... Looking at a W221, i have a second key fob ( 2010 450!