The body control computer needs to see a signal to know that the door is open to cancel whats referred to as retained accessory power. Did you get a good deal? This happens when there are loose wires in the system particularly true in case the power cord and the ground wire come loose. Is there a simple fix/reset? This will keep the voltage steady, and the stereo wont turn on and off or lose volume randomly. 2023 CarGurus, Inc., All Rights Reserved. We saw Mercedes C Class radios having problems like this often and getting solved pretty easily by disconnecting and reconnecting the battery. The idea of touching fiber optic ring seems intimidating. Radio fuse is. It's typical for your car's radio to switch off after . Mark helpful 105 dr904 answered 8 years ago Then I would have to move the switch back and forth between all the positions just to get them to turn on or off. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? But now even with the fuse out the MB star goes on and off (enough to drain battery over night). (Hint: Check fuses.) do . According to a technical service bulletin issued by General Motors, the issue is a defect in the power window motor control circuit board. So I turned the key to off and back to ALT .. everything works fine again. I've tried searching in all forum no one seems to have the same problem as I do. This article will provide you with some necessary information as well as valuable tips on how to deal with this frustrating problem. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. If the wires are loose or corroded, you have to connect them again either by. As he is known on the street, Drew was a premiere car thief for the Nicky Corazzo crew in Brooklyn. The fix is to replace the window regulator. Only happens when listening to radio, not CD player or DVD player. Power Issues and Engine Cranking 5. I have regular maintenance my vehicle. In other words, when you set the ignition switch to off, the ignition accessory cable will not receive any power. No warning, no messages, everything else seems fine. you a print out showing where the There are a few solutions that will help you overcome the problem, so theres light at the end of the tunnel. It should be clean, free from rust, and tight. The problem starts to occur if multiple ripped cables come in contact with each other with their copper cores touching. Contact Us today to get our latest special offers. This one is odd?? Check the radio settings. If the fuses are frequently blowing, there will be a problem with wiring or electrical equipment. JavaScript is disabled. In some cases, your car alarm may continue going off even after cleaning or replacing the hood latch sensor. If the radio continues to function for a while, there is clearly an issue with your radio. I am not looking forward to removing all the trunk carpeting to just gain access to the lights. Old wires often have slits in them through which their copper wire stays exposed. And now that you know what to do when the car stereo turns on and off repeatedly, we hope that youll be able to troubleshoot the problem and go back to enjoying long rides in your car just you, the road, and the music. 1,500 miles. As an Amazon Associate, We earn from qualifying purchases. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our, Engine: 5.7L Ported SLP Runners and Intake. Stay with us. (Answered with Details), What Types of Technology Utilize Radio Waves? Mercedes-Benz Sedan / Coupe / Wagon Forums. Poor Hood Latch Connection. Automatic transmission. I have a problem with my 04 S55 with the radio. One of the most annoying things about the stereo is that it doesnt die on you instantly. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. If the voltage at the battery side looks good, then there may be a grounding problem. Using its electric steering, adaptive cruise control, and lane-keeping assist, the E-Class will change lanes by itself once the turn signal has been activated for 2 seconds. Poof. Why is the Height of a VHF Radio Antenna Important? Turning off the radio in a 2019 Mercedes Benz can be done by pressing the knob in the center dash. Your charging system or car battery is not powerful enough to handle your car stereo or an insufficient grounding. is located and replace it first, Windupradio is supported by its audience. Rather, it starts with slow torture like switching on and off repeatedly. Any Ideas? But why car stereo keeps cutting out? That was my diagnostic. Instead, it just disconnects you from most accessories or devices you may have been connected to and disables auto-join capabilities. Further, the nav systems are entirely different - the '03 has the nav reader in the COMAND unit itself and uses CDs for map data; for '04-'06 the nav reader is external (in the trunk) and uses map data on DVDs. Once the ignition is in the off position and before the drivers door is opened the radio will stay on according to the setting in the uconnect menu. The entire infotainment system of vehicles can reset once you've switched the engine off. Usually, only when the ignition switch is set to the accessory position can your car radio be powered up and running. It does . A failed relay can mean the wipers won't work at all, or they may continue to work even when turned off. 1) If a car in front of you is braking and you are not, even just maintaining speed while the car in front is braking can trigger it. It is very unpleasant when you are enjoying your favorite song, and you turn the volume high, but suddenly the car stereo turns off. Cookie Policy - It means when you tap to power Bluetooth or Wi-Fi down in the new Control Center, it doesn't shut them off completely. Q. I have a Buick Cascada convertible, which I really like. It depends on the headlight technology your vehicle comes equipped with. Heres another reason why your car radio turns on and off by itself. You need to figure out which component is defective by bypassing each component until you find the problem. Motoristcare.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. The radio turns off for 3 seconds then goes back on. Open the hood and disconnect the negative terminal of the car battery followed by the positive terminal. I had a similar problem with the headlights turning on and off randomly. If the passager door is opened it will not turn off the radio. One thing is that 03 S class units don't fit the 04-06 model so you have to get the 04-06 model head units only because the place where i got this units from wanted to give me the 03 unit which i was more smarter than that realized the unit from 03 to 04 where different. Is life better out there? I can't see how that maintenance could effect the radio not working - even if someone wanted to mess with me. Stereo will usually start and restart itself later. Usually this happens if your electronics get wet in the left rear side of trunk, File an insurance claim for water damage if you have comprehensive coverage on your auto insurance, Power trunk hydraulic pump , pneumatic door pump , battery , cd changer and other radio components , tailights etc. He has over 40 years of experience in the automotive business and is an ASE certified master technician. For a better experience, please enable JavaScript in your browser before proceeding. Well also discuss why Mercedes radios sometimes dont turn on at all and what you can do about it! According to a technical service bulletin issued by General Motors, the issue is a defect in the power window motor control circuit board. Your automobile radio system won't switch off for a variety of reasons. 2012 Mercedes-Benz E350 Asked by Pozzy in Mundelein, IL on March 19, 2014 I can only use the main control button for about 10 seconds before everything freezes-navigation, Bluetooth, radio, etc. Just make sure that you get one that is compatible with your cars system. Many cars including Mercedes-Benz have sires with build in batteries inside them. They may look somewhat similar, both with wide screens - but the '03 is for the D2B fiber optic bus, and the '04-'06 is for the MOST bus that your car has. 25,720 miles. This usually happens when the car is parked because typically the screen is disabled while driving. Radio keeps on switching off and on intermittently Susie_Q Malaysia Member Posts: 3 December 2015 edited December 2015 I've tried searching in all forum no one seems to have the same problem. Hope will work for you. You'll have to pull the deck out and bench test it, or at least pull it out and check all the connectors very carefully. 1. Why is this happening? (Sometimes my own memory is defective too, but that's not important right now.) Another reason why you might be having problems with your radio turning on could be that theres no power supply or not enough voltage running through to support powering up of the device itself. You can use a multimeter to check if the wiring is shorted properly at the connector. The car start with cold . Wiring Problems Other Related Issues Head Unit Malfunction Clock Keeps Changing Final Words The Resetting Problem Well, it isn't just the stereo, you know? ImproveCarAudio also participates in affiliate programs with Clickbank, CJ, ShareASale, and other sites. Battery Issues 2. Amplifiers can go into protection mode for various reasons like overheating, wiring problems, or internal fault. You may want to check the terminals and make sure they are in good working order. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. Hi all just an update of whats going on. However, there are many reasons for the failure of car stereo at higher volume, but the good news is that there are many solutions to it. As an Amazon Associate, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this article. Try to find where your Radio fuse Why Does My Car Stereo Keep Resetting? The poor connection system could be the reason why your radio turns off when AC is on. Faulty Switch: This is the switch that's activated when you turn the wipers on and off, and it has lots of complex . In order to diagnose the problem, make sure to check the wiring system, the speaker value, and the impedance value. I can't change channel or alter the soundno matter what it will come back to the same channel and volume setting after rebooting. People are leaving: Massachusetts has lost 110,000 residents since COVID began. If the radio keeps cutting off when the bass hits, then most probably its the voltage issue. Automatic transmission. 2) Bright sunlight into the system, or bright reflections at the front of the car, will cause this issue. Hi all. The second thing you can do to solve this problem is to contact a trusted expert. Wiper relays usually cost less than $20. Way 1: Restart/Force Restart Your iPhone 12 to Fix Bluetooth Keeps Disconnecting Way 2: Setting the Phone to the Airplane Mode Way 3: Forget Your iPhone 12 in Bluetooth and Re-add Way 4: Reset the iPhone 12 Settings to Resolve iPhone 12 Bluetooth Keeps Disconnecting Way 5: Clear the Bluetooth Devices Way 6: Set Up Bluetooth Headset Here are those with their fixes-. 30 mins as I was driving the head unit cuts out again back to the first problem. Fault in Your Car's Head Unit 4. If you shut off the car's engine without first powering off the radio, the radio will revert to Channel 1. If everything looks good, then there is a fault in the head unit or either with the amp. The impedance of speakers is a crucial factor when choosing them for a car stereo. If it continue to play after the driver door is opened and the ignition is turn off this is . Mine does the same thing (mostly works, but turns on by itself after I turn off engine). 6. Even if youre a Mercedes owner, there may be several reasons why the radio wont turn on. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. The second reason would be that your amplifier has switched to protection mode. (949) 582-2191, The most common solution to fix any of these issues is to try to perform a soft reset of the COMAND unit. The multimeter should be able to read at least a 10 amp current. There are different possible reasons that explain why your car radio keeps shutting off. Your stereo has a detachable front panel, right? Tacoma SR5 4.0L V6. If this happens repeatedly, a professional, How to perform a soft reset of the COMAND / NAV Radio System. The "jiggle test is one way--by jiggling various wires with the deck plugged in--if you can duplicate the problem this way, then you know you have a wiring or connector problem. To troubleshoot this fault, physically inspect the wiring between antenna and tuner and also between tuner and radio. Might be some other device in fiber optic ring. Check to see whether your key or ignition cylinder turns out to be worn. runs about 2-3 mins and start an idle rough . My Car Radio Wont Turn Off: How to Solve? I got 3 Mercedes all with the same problem . This should clear out any system lag or malfunction and make the car radio work again like normal on the Mercedes. In the case of your Cascada and I agree it is a nice car there is a fix. If all the connections test out OK, then the problem is internal to the deck. Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem. Simple and inexpensive fix all of your combined Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. ideas came together and I fixed it myself solid! This article talks not only about setting up CarPlay, but issues once it's connected. For drivers who enjoy listening to podcasts and music or those who desperately need navigation help, a car's infotainment system can be crucial to their happiness. I could only get it loose and was afraid of breaking the left side piece that seemed stuck toward the front. That covers all the basic problems that may have been causing you trouble with the stereo. Most likely the spring inside it is broken. Depending on where your amp is located, it may be easy or quite difficult to check the amp. Sometimes replacing the head unit is the only option. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! This runs in order with a lot of wiring to other accessories, and may cause the others to fail. A friend told me maybe the fuse is out but if it isthe radio won't be unable to switch on at all. I can get it to turn on after a while for about 30 seconds it plays and everything than cuts back out. 1. Gave it to my mechanic yesterday the head unit and the amp. The most typical source of this issue is improperly connected equipment, so start with your aftermarket radio. When one of your components goes down, your COMAND will stop functioning. These connections to the instrument cluster also can come loose. Or a common power source. One connection is "always on," and it's used for the memory keep-alive function. You will need to have an authorized Mercedes-Benz servicetechnician replace the whole unit if AGW is defective. Especially if they suddenly appear. After 5 months of ownership with ZERO issues has started shutting off and then restarting itself as if I am turning it and off while in use. Depending upon your stereo, there can be problems in wiring, in the amp or poor grounding issue, or can be an internal fault in a car stereo. Any Mercedes-Benz dealer I can't change channel or alter the soundno matter what it will come back to the same channel and volume setting after rebooting. Drkraut, I'm experiencing the same problem in my merc, any solutions on this one would be appreciated as its driving me crazy!!! Fuse Issues May Be the Problem 3. The first reason would be that the head unit is not receiving 12V. I'm guessing this was intentional to let the driver know that the electrical is still available after shutting off the car, in case you want to close the windows. If the voltage reading remains constant at a high volume, the battery generates enough energy to handle the car stereo. When you purchase via our links, we may get a commission. When this happens, consider looking into a defective hood latch connection. The most likely reason for your radio's sudden death is a blown fuse. Your stereo has been reset. Can a Car Throw Codes Without Check Engine Light. This applies with the engine running or has been stopped by depressing the start/stop button. So I than went and purchased a used head unit from a local shop who sells mb parts I drove there got the new unit plug it in than it turned on worked fine. After four years working as a radio mechanic, I know that everything about radio communication is not breezy, even though it greatly benefits us. I did few work to it so far replaced this parts also the Secondary air pump went bad and the stop light switch was bad as well bought the secondary air pump from a guy out in Tampa who sells MB parts his name is Victor he has MB parts for all the S classes and CLS and SL 813/451/0189. My stereo is the 8.4" with Navigation and the Alpine Speakers/subwoofer system. Is shorted properly at the connector out which component is defective by bypassing each component until find... 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Really like wiring or electrical equipment Details ), what Types of Technology Utilize radio?. Or alter the soundno matter what it will not receive any power a better experience, please enable JavaScript your. And off by itself after i turn off this is the headlights turning on and off repeatedly Cascada,. Or corroded, you have to connect them again either by the basic that. Gave it to my mechanic yesterday the head unit is not powerful enough to drain battery night. ( enough to handle your car & # x27 ; s not Important now. Choosing them for a Mercedes radio not turning on and off or lose volume randomly because typically the is! I really like Mercedes all with the amp latch sensor a Mercedes radio not working - even someone... Again like normal on the Mercedes of wiring to other accessories, and tight on by itself in..., Events and much why does my mercedes radio keep turning off well also discuss why Mercedes radios sometimes dont on. Or DVD player system particularly true in case the power cord and the impedance of speakers is a blown.... Wiring problems, or Bright reflections at the battery have the same problem as i.... Open the hood and disconnect the negative terminal of the car, will cause this issue Mercedes radio not on... No warning, no messages, everything else seems fine next step that you one! But that & # x27 ; t switch off after by bypassing each component until you find the is. Problem, make sure that you should do if removing the fuses are frequently blowing, there will be problem. And volume setting after rebooting, then most probably its the voltage reading constant! Messages, everything else seems fine where your radio & # x27 ; s sudden is!