Mercedes keyless go problems. Stopped working on rf spectrum the other day.
Mercedes keyless go problems. Jun 22, 2020 · This article will explore some steps you can take to solve the problem of a Mercedes Benz key fob not working to unlock doors or a trunk. That is, no more door opening automatically when I approach the car, and the keyless button is dead. This system is expensive and complex, but it is Mercedes factory system. Use Dec 26, 2021 · This article will help you troubleshoot problems where the Mercedes key fob doesn’t work or no longer unlock/locks doors or trunk. Thanks Jun 14, 2022 · You will probably need SDS (STAR/Xentry) system to look at the live data from the keyless go module. Aug 9, 2016 · Hello once more, My desire to troubleshoot problems is still strong! All three keyless go keys are reporting "Key not recognized" I assume they are keyless go capable as they only have one battery inside them. If you need a replacement battery note that Mercedes-Benz uses CR2025 battery type Oct 5, 2014 · W211 keyless go smart key. I read that even after the retrofit, the regular key should still work just without proximity features. Learn step-by-step instructions for setup, troubleshooting tips for common issues, and essential safety measures to enhance your driving experience. When the key fob stops working, it quickly becomes an inconvenience to manually lock and unlock the vehicle. There is a dtc in keyless go for the left antenna in the left rear door. Car wouldn't lock/unlock by touching handle, nor would the push button start work. Oct 1, 2024 · Discover the convenience of Mercedes Keyless Go, an innovative entry and ignition system that allows drivers to unlock and start their vehicle effortlessly. Sep 26, 2013 · Our 2013 C 250 has "Keyless-Go". Aug 18, 2010 · Hi Guys, My 2003 SL500 has Keyless Go (Key fob). Thanks so much! Feb 1, 2011 · Also people are complaining about the battery not lasting this is the same problem the key detects a frequency which acts as the "keyless go " when you have an Iphone or any smartphone near the key it constantly sends signals thinking its the car sending a frequency back but realistically its the PHONES which kills the battery If your Mercedes Start/stop - keyless go function suddenly stops working, this could be the replacement you're looking for. There are simple ways of checking the status of the car lock and gaining access to your vehicle. The doors unlock if I pull the handle gently. keyless start is just that. L because I didn't realize this until after I kept trying to use the push button. Oct 13, 2024 · Discover the convenience of Mercedes-Benz's Keyless Go system, designed to simplify your driving experience. A leap in ease and efficiency, Mercedes-Benz KEYLESS START® & KEYLESS GO® are invaluable helpful technologies. Aug 29, 2015 · The car starts without a problem when I use the key in the ignition. Highly irritating because it mutes any radio or music program you are listening to. When properly enabled, this feature allows you to unlock, lock, and start your vehicle with just a push of a button, provided your key fob is within a certain range. Nov 8, 2018 · I am investigating an issue with a W211 that has suddenly lost its Keyless Go functionality. Weird thing is, when the left rear door panel is off, the system works fine and I can clear the dtc. No response when using keyless entry from key fob. Keyless Go is an advanced convenience feature found in many Mercedes-Benz vehicles that elevates the driving experience. Remove small rubber cap in the door when you open, you Aug 28, 2024 · Start a Mercedes-Benz without a key in a few effective ways. Key fob led doesn't stay on solid when holding a button. I can physically push the unlock button on my fob and it works fine. Oct 2, 2013 · The keyless entry on the driver's side isn't working properly on the driver's door. Even the simplest problem with the Mercedes can be costly. The specific problems discussed in this article are: 1. It only unlocks the driver's door. Any advice would be greatly appreciated. Keyless go works perfectly until I plug the start/stop button back in. O. Learn how to maximize May 2, 2019 · Mercedes-Benz KEYLESS GO® is an innovative feature that allows you to lock/unlock your vehicle without fumbling for your key. Some stated that the car won’t lock or unlock, the car won’t start, and sometimes the tailgate won’t function. Check the Key Fob sometimes the problem lies with the key fob rather than the lock. Codes like A25464 (Fault in the EIS) or B2256 (Keyless Go Recognition Error) can help pinpoint the problem. Is there anything I can do to fix this other than remove the button? Nov 6, 2024 · Struggling with a malfunctioning Mercedes key fob? Discover a comprehensive guide that tackles common issues and offers step-by-step instructions to reset your key fob effectively. Instead of being a couch potato, I decided to utilize that time, and go through with my planned Keyless-GO Dec 15, 2002 · After the installation of VCS (Linguatronic) to my SL I seem to have inherited a problem with my keyless go. Oct 23, 2023 · Keyless-Go System and Key Fob Troubles Issues related to the Keyless-Go system and key fob have been common in the 2019 and 2020 GLE 350 models. Could all four door handles need replacing, and does that require removing the door panels? Could there be other solutions? Thank you. Feb 12, 2016 · Reinstalled the fuse and keyless go was again functional, but acting haywire. Luckily, the normal clicker still works Is there a way to fix this or do I need to go to a mechanic? Thanks Mar 16, 2015 · The Keyless Go function is working after cleaning the CAN bus connector, but still no communication with the instrument cluster? Looks like it's time to pull out the instrument cluster tor examination of the plug and socket assembly. Push to start not working, but works with key inserted. This article covers key fob types, essential features, and troubleshooting tips to enhance vehicle access. Keyless go stopped working as well push start. Jun 29, 2020 · I'm looking at a 2013 GLK to purchase and the current owner does know if it has Keyless Go. I have two key cards and both don't work. The key would unlock the car via the key fob and start by inserting it in the ignition. This innovative technology enhances security and simplifies your drive, utilizing proximity sensors for seamless entry. Apr 20, 2025 · Hello all, recently my driver door keyless stop working. com Feb 6, 2017 · Generally speaking, when the Mercedes key fob is not working, it’s because either the key is defective or the All Activity Module (AAM) is not recognizing the key signal, or it is not receiving the signal due to an antenna issue. 2015 c300. Here is procedure to fix this issue. Problem The key will only lock and unlock the doors if you are very close. com: Keyecu for Xhorse MB FBS3 BGA Keyless-Go Smart Remote Key 3/4 Button 315MHz/433MHZ for Mercedes-Benz W204 W207 W212 W164 W166 W221 (Remote Board): Automotive Aug 10, 2024 · Mercedes Keyless Go not working? Learn how to diagnose key fob issues, antenna faults, and door sensor problems and restore full keyless access quickly. If I try to start the car from the button on the shifter knob all the lights come on in the dash but car will not start. A lot of common Mercedes problems can be easily fixed without anyone else help. Learn more from Fletcher Jones Motorcars! Nov 6, 2019 · Is anyone else experiencing major tech problems with the brand new Mercedes 2020 GLE 350? I special ordered one with the new technology and love the car May 14, 2021 · In November of 2019, I started a discussion about retrofitting Keyless-GO into my M-Class on this very same forum. The Mercedes-Benz KEYLESS GO® feature provides the ultimate convenience by allowing you to start your vehicle without physically using the key. Jul 5, 2021 · Wenn sich Ihre Keyless-Go-Verriegelungsfunktion beim Ziehen am Türgriff nicht entriegelt oder beim Schließen und Berühren der quadratischen Vertiefung am Außengriff nicht verriegelt, überprüfen Sie dies zuerst, bevor Sie vermuten, dass das Vordertürmodul defekt ist. Is there a troubleshooting sequence for that problem? 2004 Mercedes SL500 R230. First, it is essential to Dec 16, 2008 · Keyless-Go Left Door Problem: You fix yours so I can fix mine! My car has exactly the same problem with the Keyless-Go. Owners often reported that after some usage, the key fob began to experience some problems. Your perfectly engineered German machine refuses to recognize the very key designed to operate it. Have you checked the fuses related to the keyless go and driver seat functions? Customer: yes. The day before the battery was replaced, the keyless-go function stop working, forcing me to take the start button and start the vehicle straight with the FOB. These are some of them. Mar 15, 2018 · What’s the difference between Mercedes-Benz KEYLESS GO® and KEYLESS-START®? Fletcher Jones Motorcars of Fremont distinguishes between these luxury features to help you understand your vehicle’s capabilities. Here’s how to diagnose and resolve it efficiently. The driver side door does not unlock or lock with keyless go. The boot opens fine, and the engine start/stops fine with the keyless go. What is KEYLESS GO®? The Mercedes-Benz KEYLESS GO® feature provides the ultimate convenience by allowing you to start your vehicle without physically using the key. But without a $300 Chinese-cloned Star Diagnosis computer or the like, all I can think to do is look for a blown fuse in the rear fuse box located behind the passenger seat. The issue can stem from something as simple as a weak or dead key fob battery, or from more complex problems such as signal interference, faulty key fobs, or electronic control unit malfunctions. Customer: 2011 Mercedes-Benz E550. Starting this past winter 2 out of 4 door panels can't lock/unlock the car; fortunately engine can still be started by pressing the start button and I can still use the key lock/unlocking the car. Explore its advanced security features, potential drawbacks, and how it transforms daily routines for drivers on the go. May 26, 2024 · When your Mercedes displays “Key Not Detected”, it means the car isn’t recognizing the key fob, which can prevent unlocking, engine start, or a safe drive-away. I get Feb 25, 2019 · 3) Change the actual keyless go control unit, made no difference 4) tested lines from keyless go sensor to front door handle, made no difference The difference between the left and right handle, is that the left hand (the one with the problem) has this message HALL SENSOR ACTUATED. Learn the difference between the two here! The vehicle doesn't recognize the key unless it's in the slot near the cupholder. Can you turn off keyless entry Mercedes? Disable keyless entry The keyless go systems that come with the Mercedes models mentioned above can be disabled simply by pressing the lock button twice. This stops the key from broadcasting altogether. May 20, 2017 · [W211] Help ! KeyLess go start/stop fail after Front SAM Replacement Hi guys I'm experiencing a strange problem on my '04 E55, and any kind of help will be appreciated. My drivers door won't open using my keyless go system. Oct 23, 2024 · Struggling with your Mercedes key fob? Discover how to reset and resolve common issues, like dead batteries and synchronization problems. I have Keyless GO and before if I had the keys in my pocket and went to the to the trunk and pulled the handle, it would unlock and if I pulled the handle again, it would activate the power lift gate. Welcome to our community - the home of Mercedes-Benz on Reddit! We are a passionate group of fans who come together to share news, information, and our love for this iconic brand. I have researched it and found it to be a bad Keyless-Go receiver inside the door or bad switches inside the door handle; so when the handle is pulled to open the door, the pull switch is bad, the door does not unlock and open likewise, when the little black button Sep 3, 2018 · 2015 Mercedes Benz GL550 KEYLESS GO problem. Next I notice it Sep 1, 2017 · Hi all, I have a problem with my keyless go system on my 2002 CLK 209. Even before the door handle went bad, my keyless go has always started to act up. I've narrowed the problem down to something with the RF receiver for the key. And this is how to tell if your Mercedes has Keyless Go. Having a problem with my 2002 R230 SL and it's keyless go. Having no idea when they were last changed, I have changed the batteries Jan 30, 2022 · Using Keyless Go to unlock and start our 2019 GLE 400D, then drive away leaving the key behind, the car continues to run, until the car is next switched off. Apr 2, 2009 · My 2006 E350 (now 54000 miles) "keyless go" doesn't operate properly. Use the replacement SmartKey. The keyless still starts the car fine, and I can open all the other doors and the trunk without a problem. I will post more once the dealership figures out the solution. Sometimes it wont turn the car on, sometimes it wont turn the car off after it turned on using the keyless go. I completed the retrofit with almost 100% certainty I did everything correctly and my car Sep 2, 2017 · Amazon. The doors sometimes unlock themselves. I was not able to lock or unlock the doors or trunk release, and upon inserting the key into ignition, the steering wheel does NOT unlock and the key doesn't turn at all. The key communicates wirelessly with the vehicle’s system. Apr 1, 2016 · I take the chance to expose another keyless Go problem of mine: two months ago, the keyless go suddenly stopped working. The problem may be as a result of something that I have 'done' whilst installing the VCS equipment but I have checked all of my work and cant find anything that may have caused the Feb 6, 2005 · The keyless go card and key is now combined into one so you always have a key with you for when it fails !! My original SL did lock me out a couple of times, I had to pull the keyless go fuse to make it work again (it was summer, roof was open) !! Mar 14, 2016 · Hi all, Recently I had to change the battery on my 2011 GL450. Activate the SmartKey functions. May 14, 2025 · Keyless Go isn’t just about ease; it’s about a seamless interaction with your vehicle, a subtle touch of luxury that integrates into your daily life. The door locks on the driver's door or the rear right door occasionally do not lock/unlock when called for either by KEYLESS-GO (touching the outside/inside of the exterior door handle) or the central lock Mechanic's Assistant: Im sorry to hear about the issues youre experiencing with your Mercedes C300, but Im confident that the Mercedes Mechanic will be able to help you with this problem regarding the keyless go and driver seat. My uncle went to a shop that wanted $1000 to replace it. If you deactivate the key function, the KEYLESS-GO functions are also deactivated. Instead, drivers use a small fob that communicates with the car’s computer system. org, one owner had to replace a door lock actuator when they experienced the following: “The front driver door will not lock/unlock electronically, meaning key fob, exterior handle touch (Keyless Go), interior buttons, or the autolock while driving will not actuate the driver door bullet plunger. For some reason, the KEYLESS GO lock/unlock black buttons recently stopped working on the driver's side of my vehicle. It transforms mundane tasks into moments of effortless grace. If you need a replacement battery, note that Mercedes-Benz uses CR2025 battery type. Any ideas on how Nov 14, 2010 · Morning all. In order for it to fully transmit the signal, the card needs to be in close proximity like in the front pocket of a shirt, and not in a laptop bag. Not too bad if I'm alone, but if I have passengers I need to either use the clicker, touch the passenger door, or press the unlock button on the dash once I'm inside. May 4, 2024 · Mercedes-Benz E-Class Keyless Go system malfunctions can be frustrating, but with the right knowledge and tools, you can troubleshoot and fix these issues. Typically, this Jun 19, 2017 · I have an intermittent problem with the central locking system in my 2014 E350 sedan. Jan 13, 2016 · w211 keyless go nor working 50% hi guys , i meet a new issue on my mercedes w211, it has keyless Go on bonet and rear trunk leaveing key i can use buttons on handles to open and close the car but standing next to the front or passanger rear door i cant do anything no locking and unlocking function. Due to the pandemic, I often found myself having extra, unallotted time. Aug 10, 2024 · Mercedes Keyless Go not working? Learn how to diagnose key fob issues, antenna faults, and door sensor problems and restore full keyless access quickly. Aug 27, 2025 · Ever jumped in your Mercedes ready to go, only to be greeted with the frustrating “Key Not Detected” message? You press the start button again and again, but nothing happens. Nov 30, 2022 · I've been having some issues with my 2020 GLA250 4MATIC, specifically with the locking/unlocking, from the key and door handles as well as the Keyless Start not working reliably. When keyless go works, keeping your keys in your Sep 8, 2024 · My 04 CLK320 has an intermittent problem with the smart key. This problem can cause inconvenience and frustration, as it may prevent you from entering or starting your vehicle. e cla 2020, e coupe 2018 and c class facelift 2018+ I know there’s a way to disable it, but it’s not a permanent method as when you unlock the car again, keyless go is activated. Try using the Keyless Go system or backup key to leverage the Mercedes Me app. Whenever I would stand on the passenger side, where I was originally having problems with the rear passenger door handle not working, the windows would go down and it was constantly cycling to unlock. Unlock your car effortlessly as you approach—no keys required! This article explores its convenience, enhanced security through advanced encryption, and efficiency while offering real-world examples. Sep 4, 2018 · I have replaced the key fob batteries several times (before I noticed the correlation between the problem and the button) and reinitialized the remote by inserting the key into the ignition. Is your Mercedes-Benz car lock not working? Although this is a rare problem on Mercedes-Benz cars, you don’t need to panic when if it happens. May 12, 2010 · Keyless go problems are common and most Stealerships can not resolve the issue; however, according to my INDY Mercedes has locked the INDY's out of the market. Top 7 problems that people ask the most are included with Nov 7, 2023 · Keyless entry receiver needs to be replaced In some cases, the keyless entry receiver in the car may need to be replaced if the key fob is not working after a battery change. Sometimes one door opens by itself without activation from the key or my hand. Many owners with this problem report that the ignition light will illuminate, but the car won't start. Ever wondered if your Mercedes is equipped with the hi-tech convenience of Keyless GO? This feature has become a game-changer in how we interact with our vehicles, making unlocking, starting, and even locking effortless without fumbling for keys. I realized that the button kind of works once when sliding the knob onto the shifter - either the ignition is turned on or the engine started during the sliding movement. This key allows you to unlock and start the car without physically inserting it into the ignition. Can lock, unlock using ir on drivers door and proximity unlock via for handles still works. This innovative feature allows you to unlock your car, open the trunk, or start the engine simply by having the key fob nearby. If I try to open or close the doors using the keyless go entry function, they will not work unless I put the key very close to the door handles. I looked inside and the screen said chip card not recognised. Fob has new battery, tried unlocking from inside car. New batteries are in two original keys, however Key Not Recognized appears on the cluster when the ENGINE START/STOP button is pressed. The problem started with the Keyless Go feature. The passenger door touch sensor was working fine but has also stopped working. A bigger annoyance, however, is the non-functional Keyless Go, which has me stymied. Safety Features and Security Concerns with Mercedes-Benz Keyless Go While Keyless Go offers plenty of perks, it’s essential to be aware of potential security issues and safety features. Understanding the Keyless Go System in Mercedes Vehicles *Keyless Go* is a smart entry and ignition system that eliminates the traditional need for a physical key. Push Start or unlock the vehicle by pressing the driver’s door handle, which has stopped working. Learn step-by-step resetting procedures, battery maintenance, and smart strategies to avoid future issues. Reasons: Over time, the keyless entry receiver can become worn out or damaged, making it difficult for it to receive signals from the key fob. If you pressed the Nov 4, 2024 · Understanding Key Fob Types: Familiarize yourself with Mercedes key fob types—traditional, smart, and keyless go—each offering unique features for vehicle access and security. In most cases, the key can start the car but not work as a keyless entry remote. Don't let a faulty key fob leave you stranded; get back on the road with confidence! Nov 21, 2023 · This keyless entry problem was predominantly found in the 2019 and 2020 GLEs. The suspect rear door handle was actually now working, though. Feb 2, 2014 · Keyless Go Problems Jump to Latest 16K views 18 replies 7 participants last post by Vortecpwr Apr 5, 2015 SdeGat Discussion starter Oct 15, 2016 · Hi folks, Anyone else have this issue and if so how did you solve it? * Background After a week the Keyless Go on my new W222 packed up. 16K subscribers Subscribe Sep 18, 2022 · In the video, I tried to show you how you can fix the Keyless go handle on the door that didn't work. to check whether the key fob works properly To use the start button you have to have the Keyless Go Option built into your car. Interestingly however, the black buttons work on the passenger-side doors. It's been intermintent for a couple of weeks causing the odd problem when trying to unlock the car with the handle needing a few tugs to actually unlock where previously it just needed the lightest touch. Replace the SmartKey battery, if necessary. The key can start the car and open the door via infrared within 1 foot of the driver's door, but doesn't work any further away. The remote keys will open and close both doors by using the lock /unlock buttons. Check the battery using the indicator lamp. The SmartKey battery is weak or discharged. Stopped working on rf spectrum the other day. Sometimes it won't lock with the button. Preparation is Key: Gather necessary tools, including a working key fob, programming device, owner’s manual, screwdriver, and a compatible replacement battery. But how exactly does one enable this feature and unlock its full potential? Let’s delve into the process of activating and utilizing Keyless Go in your Mercedes-Benz. Learn how this advanced technology eliminates traditional key hassles, enhances security, and simplifies your driving experience. With a touch on the door handle, access your vehicle and start the engine effortlessly, all while keeping your keys securely in your pocket. My private mechanic cant figure it out after hooking it up to his star. The story : few months ago, my front right turn signal stopped to work; first I thinked about the headlight, but after some Mar 31, 2015 · Got my windows tinted, and, when I went to pick it up, was told that the keyless-go/entry wasnt working. Oct 15, 2024 · Discover the convenience of Mercedes' Keyless Go system, allowing you to unlock and start your car without fumbling for your key fob. Embrace the ease and Keyless go doesn’t always work and hands free trunk access. That could be many KM's away. What a piece of sh--. Learn how Keyless Go redefines vehicle access across various . 3%), they want $165 for activating the keyless feature, the indie shop while doing some work on my car did it for my older key free of charge, I will do the same with the new key when work need to be done by the same shop in the future. This common Mercedes problem has several causes—from simple fixes you can handle in minutes to more complex issues Mercedes-Benz keyless go is one of the many features Mercedes has added into its modern vehicles as an added level of convenience and comfort. Consult your owner's manual to see if this is an option for your specific model. In this section, we will discuss the keyless go system problem in the Mercedes-Benz GLC and provide some troubleshooting tips to help you resolve the issue. Essentially, Keyless GO allows you to access your car and start it with just a push of a button, thanks to advanced proximity sensors and electronic Nov 2, 2009 · Keyless go problem Jump to Latest 2. I look around and found that after while the wires that connected to door handle sensor get cut due to the pinch point in front of door handle. See full list on enginepass. Aug 13, 2019 · Messages in the instrument cluster can provide a clue to what sub-component of Keyless-Go is not working. But Keyless Go stopped working. So you have to keep on doing the double lock button & you may forget one time so just wondering if anyone has had any success permanently My keyless entry is not working. Note Oct 14, 2015 · I was led to believe my car had Keyless Go which I don't; turns out the sales rep didn't understand the differences between Keyless Entry and Keyless Go, so am S. " My own dealer Dec 27, 2019 · Hi Guys Im having problems with my keyless go system showing 'key not detected' and 'key still in vehicle' when trying to start the car. Recently my wife was driving the car, and she got two warnings, over about 10 miles, that the "car doesn't detect key. Oct 2, 2020 · Hi all Sorry if this has been asked before, but how real is the threat of having my car stolen by someone magnifying the key transmission and driving off? I love the idea of keyless go, but am very risk averse! Feb 20, 2013 · Hi all, I have just purchased my first Merc (2003 CLK500) and managed to find a nice one with Distronic Cruise control, Keyless Go, Auto Xenons etc It has a few issues that I need to look at: Keyless Entry doesn't work from drivers door Don't think the AC is working correctly (hopefully due to clicking noise when first started from dash. Owners may face troubles with locking and unlocking the car, opening the tailgate, and using the kick-to-open tailgate functionality. Get message thst says "remove push/stop button and insert key. Jul 19, 2025 · I recently fit keyless go into my 2000 s500, stripped a pre facelift at the junkyard for everything. With this advanced system, you can unlock, start, and lock your car simply by having the key fob in your possession. Explore essential tips for maintaining your key fob and learn about potential risks and safety features. Zunächst wird davon Nov 13, 2024 · Is your Mercedes-Benz Key Fob Not Working Due to a Faulty Antenna Amplifier? Learn how to fix the problem by replacing the faulty Antenna Amplifier. Understanding Keyless Go Technology Keyless Go is a technology that allows drivers to unlock, start, and drive their vehicles without having to use a traditional key. A simple and cheap way that you can do it yourself at home, because new handles cost a lot Sep 21, 2020 · "In most cases, the key can start the car but not work as a keyless entry remote. Jul 5, 2021 · Keyless-Go Disabled / Not Working? If your Keyless-Go locking feature does not unlock when pulling the door handle or not locking when closed and touching the square indent on the outside handle, check this first before suspecting the front door module is faulty. However, the passenger side is all fine. For some reason, it May 26, 2024 · Mercedes key fob not working can be frustrating because it often prevents the car from unlocking or starting, effectively immobilizing the vehicle. The key works well for locking and unlocking and starts the car when inserted, but the start button on the shift Jul 22, 2019 · After many attempts to fix it I took it to a Mercedes dealer where after 10 minutes in the workshop they returned to me saying the problem is your car is not Keyless Go. Any ideas? May 30, 2008 · Keyless unlocking works, the key is detected inside the car and can be used to start the engine etc. The red light on the keyfob turns on when you press the lock or unlock button. Oct 27, 2013 · Also are all W220 Keyless go systems (2000 through 2006) interchangeable? What about W215 Keyless Go systems? I really appreciate this forum and I have learned quite a bit but please, please don't tell me to go to the stealer. Mercedes-Benz KEYLESS GO Function Operation - Lock and Unlock Mercedes-Benz of Austin 3. my local dealership only escalated this problem to Oct 29, 2024 · Unlock the full potential of your Mercedes with Keyless Go! This article guides you through the convenience of activating this innovative feature, which allows seamless entry and ignition without fumbling for your key fob. Apr 9, 2024 · In this section, we will provide a step-by-step guide on how to replace the battery in your Mercedes key fob, instructions on how to synchronize your Mercedes key, and an explanation on how to use a diagnostic scanner to identify issues with the keyless go system and central locking. I swapped the antenna with the right side; no change. Mercedes-Benz GLC : Doors / Problems with KEYLESS-GO, troubleshooting You can no longer lock or unlock the vehicle using KEYLESS-GO Possible causes: The SmartKey functions have been deactivated. Have you tried the W220 S-Class Encyclopedia sticky at the top of the W220 forum for key resets; and the reset for BAS, ESP, and ABS indications mentioned in the "Resets" link? It is possible that you have a weak battery in your key; that the key battery was recently replaced; or that your car battery was recently changed. It doesn’t work most of the time but when I open the car with the fob once and lock it then the keyless go works just fine. Sometimes I lock it with the button and all Jan 7, 2024 · On MBWorld. It is so weird. I believe it's a stepper motor?) Distronic Cruse Nov 1, 2006 · ANSWER TO NEW BATTERIES NOT WORKING in Keyless Remote: BUY the OEM Mercedes battery part number A000828038810 (MBz card-packaged item) to possibly solve remote problems!. They are less than helpful unless I am willing to pay the extortion fees. 1K views 4 replies 4 participants last post by 348tt Feb 26, 2010 P What are Mercedes-Benz KEYLESS START® and KEYLESS GO®? These two Mercedes-Benz technologies are effectively keyless entry and keyless ignition systems that eradicate the need to use a physical key to unlock or start your car. Mar 6, 2009 · I did order and receive a new Keyless-GO handle from Duval MBZ in Florida for $130. Many owners ordered keys from MB without keyless-go because of significant price difference. Learn about different key fob types, explore troubleshooting tips, and uncover maintenance strategies to enhance longevity. Oct 21, 2017 · I bought a keyless go module off eBay for $100 and swapped it into the driver’s side rear (it was a pita) and now my keyless go is working!! Aka I can now have the key in my pocket and the push to start works as well as the wireless door handle functions of locking and unlocking from outside the vehicle. Apr 29, 2020 · Keyless-Go will not lock/unlock all four doors, however Keyless-Go will lock/unlock the trunk. Some have labeled this option, "Keyless Nogo. Oct 2, 2019 · Has anybody solved the problem of Key not detected coming up randomly both on originally starting the vehicle and during driving . If your Mercedes model doesn’t come equipped with this technology, don’t worry! Many owners consider adding Keyless Go to Sep 14, 2024 · Fortunately, it is possible to retrofit Keyless Go on older Mercedes-Benz models. There are a lot of threads on this subject for various models (it is a common issue apparently!) in various forums, split into two kinds of solutions: DIY Sep 9, 2025 · SL-Class (R230) - Keyless Go problem - Purchased a 2007 SL550 back in May and quickly fixed a couple of minor annoyances. I didn't **Start Manually with Key**: Some Mercedes-Benz models have a backup way to start the vehicle using the key fob itself. Unlock a May 17, 2025 · Electronic Key (Keyless Go): Many modern Mercedes vehicles are equipped with an electronic key, often referred to as Keyless Go. Lasts about 30 seconds Then everything returns to normal/. Oddly, this has affected both keys at the same time, and this includes all of the Keyless Go functions - door locking and unlocking from handles, trunk unlocking, and Jan 20, 2010 · keyless go problem Jump to Latest 2. Jul 27, 2004 · A poster from a dealership alerted on the new SLK forum that keyless go may be deleted from all MY2005 cars. The proximity handle unlock and push start button did not work anymore Feb 20, 2016 · Hi Guys, I have an '05 CLK 500 Coupe, and I noticed my key stopped working. Is this something that can be added now? Imagine the convenience of unlocking and starting your Mercedes without ever pulling out your keys—that’s exactly what Keyless Go offers. Critics sometimes worry about relay theft—where thieves can intercept signals between the key fob and the vehicle—potentially allowing unauthorized access. , but the start/stop button on the shift knob is dead. I am waiting for instructions on how to install it myself as the car is over the warranty and I like to do things myself. With that key, access or drive authorization by KEYLESS-GO is no longer possible. Is there a way to permanently disable keyless go on the newer Mercedes I. 9K views 5 replies 3 participants last post by slonar21 Nov 3, 2009 V Benefits of Upgrading to Keyless Go for Your Mercedes Drivers Upgrading to a Keyless Go system transforms the way you interact with your vehicle, offering unparalleled convenience. Solution One possible cause is a blown fuse for the antenna amplifier alarm. " She has also had a couple of times when she has approached the car (with key in purse), pulled on the door handle, and the car would start to Oct 13, 2022 · Also for keyless go retrofit do you need to apply the foot break at the same time to start? I had this on my wife's Renault Captur & it was a pain having to apply the brake to start (made worse because the button was in the centre console). Jan 23, 2018 · A Star diagnosis at a Mercedes indie should pinpoint any problems with the keyless door handle (s) and which ones. I have replaced Jan 12, 2018 · Hello All, Hope all is well. Instead of inserting a key into the ignition or fumbling with keys in your pocket, Mercedes cars equipped with *Keyless Go* allow you to unlock, lock, and start your vehicle with just a key fob in your possession. Jan 7, 2023 · From what I recall smart key with keyless-go option has two batteries, without keyless-go just one. Keep your driving experience smooth and Dec 8, 2024 · Use a Mercedes-compatible diagnostic tool to scan for fault codes related to the EIS, Keyless Go, or other modules. I changed the batteries in both Jan 8, 2021 · I bought a keyless go key from Mercedes of Las Vegas for $480 tax included (8. Oct 21, 2013 · The keyless go won't open my S class anymore. Specifically, this article addresses issues with unlocking the Mercedes Benz CLK, E C CLS, A160, C-Class C220, C230, C300, CLS, and ML models. Identifying the root cause is the first step toward Recently, we have been working on a Mercedes-Benz with some major and unexplainable electrical issues. it has push button start but you have to use remote to unlock/lock door. May 14, 2015 · The Mercedes-Benz keyless Go card can cause a no-start situation if the signal is weak or blocked. Apr 5, 2024 · The Mercedes-Benz GLC faulty keyless go system problem is a common issue that many owners face. Nov 14, 2006 · I just had a strange thing start happening today. Battery suddenly failed in your Mercedes key?Don't worry! May 22, 2016 · MB now has keyless start and keyless go as 2 different packages. Sometimes Oct 4, 2024 · Discover the luxury of Mercedes-Benz Keyless Go, a state-of-the-art keyless entry system that transforms your driving experience. I don't have any know how about repairing the Jul 14, 2022 · The remote keyless system in Mercedes-Benz E-Class allows the driver to conveniently lock and unlock the vehicle with the press of a button. It's a gadget, but I miss it so much! On the other hand, I fear having to go to Mercedes and pay hefty bills for that Aug 11, 2012 · Well, I don't have keyless go, and haven't seen the problem. Feb 3, 2011 · As far as my keyless go, sometimes it works and sometimes it doesn't. Sometimes it tells me the key is already in the car when I get in. It just flashes once. Hi all Got a 2021 GLE 350 4matic one week ago and I’m struggling with the keyless go. What are the visible indications that it has it, or not? Thanks Jul 14, 2022 · The remote keyless system in Mercedes-Benz S-Class allows the driver to conveniently lock and unlock the vehicle with the press of a button. The left rear door module has 4 connectors that plug into it that come from the main… Mar 23, 2016 · I'm having a problem with the key fob on my 2008 ML350. Generally speaking, when Mercedes key fob is not working, it’s because either because the key is defective or the All Activity Module (AAM) is not recognizing the key signal, or it is not receiving signal due to an antenna issue. Upon inspecting the key, the battery still seems Mar 16, 2016 · Hi Guys! Recently, I'm experiencing the issue with the trunk on my GLA45. The dealer can also do this at twice the price. Jan 10, 2016 · I've recently developed a strange problem with my 07 E63 and keyless go: The car often tells me that it cannot detect the key. Is there a solution or change of settings, allowing the car engine to stop once its out of key range ?. Dive in for details. The touch sensor on the drivers door was intermittent for about a month and has now stopped working. The system eliminates the need for traditional keys, allowing you to unlock, start, and operate your vehicle with the simple presence of a fob. If this proves accurate the reason may well be all of the complaints and problems that have been lodged which can be attributed to this one option and in turn significantly pulling down the JD Powers survey results. I can also The Keyless Go system in Mercedes vehicles is designed to deliver a seamless driving experience by eliminating the need for traditional keys. Or if you want to save key battery. encly ksbof rbrjudc unjrvbx msx eyakhe mihvz tuhdn esq hcocyh