Release the brake pedal. Privacy Statement - I am not looking forward to removing all the trunk carpeting to just gain access to the lights. Hope will work for you. The radio in my Mercedes keeps turning on and off. It does . As an Amazon Associate, We earn from qualifying purchases. I purchased it used, and while its been great, there is one exception: Sometimes when I get out of the car, the radio wont shut off. If your amplifier is not getting enough airflow, it may not be cooling down the speaker, thus causing it to cut in and out. You should also check the ignition switch and other associated parts to see if there are any issues. Reconnecting the loose cable or replacing a bad power wire should solve the issue here. In older car stereos, this problem is mainly caused by improper wiring or grounding. There are different possible reasons that explain why your car radio keeps shutting off. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2023 CarSumu.Com As an Amazon Associate I earn from qualifying purchases. 5. As he is known on the street, Drew was a premiere car thief for the Nicky Corazzo crew in Brooklyn. Cars & Trucks. I paid $400 for the head unit and $150 for the amp. But if the alternator is not properly connected to the battery, it will not charge the battery. It happens once in a while. Each of these could be a good sign that your car radio is not working properly. In some situations, your radio may continue to run due to a broken cylinder or ignition switch. If the passager door is opened it will not turn off the radio. Windupradio.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. How Long Does It Take for a Radio Signal to Reach Mars? Automatic transmission. Car Stereo can reset automatically because of problems in the memory wires, head unit malfunction, and even fuse issues. Why Does My Car Stereo Keep Resetting? Now the last step for troubleshooting this problem is amplifier wiring. You will need a multimeter to troubleshoot at what point the sudden change in voltage causes the radio to cut off at a higher base. Check the connectors and see if they are tightly connected. Simple and inexpensive fix all of your combined The radio was fine right before I brought the car into Midas for 4 new tires. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. 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. Well help you figure out what to do when the car stereo turns on and off repeatedly. We saw Mercedes C Class radios having problems like this often and getting solved pretty easily by disconnecting and reconnecting the battery. Conduct fuse testing to find blown fuses. Thanks - I am bringing it in, but was hoping for a quick solution. Check for this first and replace it if needed. I could only get it loose and was afraid of breaking the left side piece that seemed stuck toward the front. As an Amazon Associate, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this article. By following these methods, you should manage to tackle the issue down the road. The fiber optic cables are used to transmit the sound signal of your Mercedes-Benz between the different units for better sound quality and faster transfer rates. Copyright 2023 - Windupradio. will look up its lactation & can give 7. It handles well, and its just the right size for me. A D V E R T I S E M E N T S. Radio started coming on without me turning it on. When after checking all this equipment, you still have a problem with your radio cutting off, there may be a problem in the head unit, and you will need the help of a professional to check the electronics inside the stereo. Check if the amplifier is grounded correctly. Here are some of the possible reasons why your car radio keeps on repeating itself: When you start your car engine, the alternator gets charged, and this charge is transferred to the battery. Take out the key from the ignition and dont turn on the car for at least 15 minutes. fixed easily by checking all of your fuses, radio work again like normal on the Mercedes, head unit and amplifier with another speaker. Battery Issues 2. (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. Dude!!! After removing the stereo, you will find a bunch of wires at its back. To check to ground, the best place to start is the back of the stereo. Hmmm, you're ahead of me on the "meets." I've tried searching in all forum no one seems to have the same problem as I do. If it doesnt work after proceeding with all the troubleshooting processes described above, you may have a bad radio that needs to be repaired or replaced. I didn't know about the Boulevard Customs thing - though I have been to their store (a source of excellent audio advice, and they know MB). Mercedes-Benz C-Class: Fuse Diagrams and Commonly Blown Fuses. Hi all just an update of whats going on. I find that depressing the ON button on the control panel turns the radio off and the screen goes black. Just a few melted ice cubes. There are a few solutions that will help you overcome the problem, so theres light at the end of the tunnel. The second fuse box may be on the left side of the trunk. You might have issues with the radio cutting out if you're driving your car in any of these situations: A tunnel A thick canopy of trees The mountains Next to tall buildings How To Troubleshoot This (Answered). So far it has just been annoying but I can see if I was navigating or using the hands free how this could cause numerous issues. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. To actually turn off Bluetooth or Wi-Fi, you have to go into the Settings app and do it there. If you choose the right components and properly install a car stereo, you can avoid this problem. Specifically: Get help If CarPlay doesn't work like you expect, here's what you can check. Your stereo will lose sound when the voltage gets too low. it was the battery!!! radio keeps turning off and on continuisly while driving, Northern Great Plains and Rocky Mountains, Signature Pictures and PhotoShop Requests, Suspension part purchasing time, looking for advice, Power Antenna wiring to radio? 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? Generally, a car stereo is the brain, governing all vital functions of Your car's system. Especially if they suddenly appear. There are two reasons your head unit might be experiencing power cuts. The battery. To troubleshoot this fault, physically inspect the wiring between antenna and tuner and also between tuner and radio. Cant Press Brake To Start Car: How to Fix? Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Your automobile radio system wont switch off for a variety of reasons. Whats causing my SUVs gas mileage to drop. Check with dealer , may be a software update that could affect the system.Warranty? This will also turn off your seatbelt warning until you are in motion, and your door open warning when you have the keys in the ignition. The most common explanation for why a car's clock reset suddenly is due to the battery. 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. ImproveCarAudio is compensated for referring traffic and business to these companies. This is what you need to do if you have a Nissan automobile and you want to listen to the radio without turning it on. Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem. The following errors occurred with your submission. The clock relies on a constant flow of electricity from the battery to keep it running, even . Your stereo has been reset. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. As a result, you must consult the wiring diagram to verify correctness. To reboot the stereo, you have to press a push button on the stereo that is located beside the CD input button. There is an arm in/on the left side of the disc player. It goes up, it goes down, all on it's own without any input from us. If all the connections test out OK, then the problem is internal to the deck. Next time this happens, put the key . Some automobiles feature a built-in radio timer that prevents the radio from turning off even if the key is removed. The Ecobee usually disconnects from Wi-Fi after optimization. Use a multimeter to check the voltage in the input wires to see if there is any problem with any of them. Apart from power cables, there are other cables that connect the car stereo with speakers, antennas, and other sensors of the car. Ignition 4. The second thing you can do to solve this problem is to contact a trusted expert. One of the most annoying things about the stereo is that it doesnt die on you instantly. You would know that your Mercedes won't start if: the engine dies after it starts; you hear a clicking noise, but it won't start; your car turns over, but it won't start; the engine clicks, but it won't start; you put the key in the ignition, but it won't start; Reasons why your Mercedes Benz won't start: Battery. Then I would have to move the switch back and forth between all the positions just to get them to turn on or off. is located and replace it first, (Sometimes my own memory is defective too, but that's not important right now.) 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 You may want to check the terminals and make sure they are in good working order. This will cause things to happen, to include killing the radio and/or cd player. minutes and want change stations. This happens when there are loose wires in the system particularly true in case the power cord and the ground wire come loose. Save my name, email, and website in this browser for the next time I comment. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. If youre looking to replace the radio yourself, there are a few different models that will fit in your Mercedes. This part is what keeps the belt tense as it runs all of the engine accessories. Fuse Issues May Be the Problem 3. The battery in your alarm siren can go bad causing alarm to go off. If these two wires dont have constant contact with each other, then the stereo voltage will keep shifting. 90 Seconds later, I see "COMAND SHUTTING DOWN" on the screen. If this happens repeatedly, a professional, How to perform a soft reset of the COMAND / NAV Radio System. When the siren batteries fail, it can cause the alarm to go off. Doing a soft reset for these systems will force the head unit to rest. This one is odd?? Sign in or register to get started. Fuse Problems 3. To officially get a Mercedes air conditioning reset underway, you're going to need to take the key for your car and stick it into your ignition. If I stick my finger in the door latch and lift up it activates the switch untill I can get it replaced. 0. Restart your iPhone and your car. Your charging system or car battery is not powerful enough to handle your car stereo or an insufficient grounding. What Causes Error CODE C249F or the Brakes Defective Stop Vehicle Error? Only happens when listening to radio, not CD player or DVD player. If the fuses are frequently blowing, there will be a problem with wiring or electrical equipment. Why Ham Radio is Dying? Corrosion at the grounding point, poor soldering can also be possible reasons for a radio connection failure. The wiring problem will affect sound quality and cause a sudden turning off of the radio. Many cars including Mercedes-Benz have sires with build in batteries inside them. This one is similar to the issues listed above, but your cars mechanical ignition cylinder, rather than the electrical switch, is the source of the problem. 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. 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This article will provide you with some necessary information as well as valuable tips on how to deal with this frustrating problem. 1. Command Center and finding that my positive The car is off but the radio continues to play. Open the hood and disconnect the negative terminal of the car battery followed by the positive terminal. Happened a few times then it starting turning off without . The idea of touching fiber optic ring seems intimidating. Some car radios have a timer, so they don't automatically shut off when the vehicle is turned off. You need to figure out which component is defective by bypassing each component until you find the problem. Why is this happening? But why car stereo keeps cutting out? Some vehicle radios are set on a timer, so they don't turn off right away. Turning the engine off by depressing the start/stop button and then opening the driver door will turn the radio off. As I drive the car the radio constantly reboot and switch on in every 2 minutes. The first reason would be that the head unit is not receiving 12V. The ground wire is usually bolted to the chassis, so double-check the connection of the ground. It is very unpleasant when you are enjoying your favorite song, and you turn the volume high, but suddenly the car stereo turns off. 6. My Car Radio Wont Turn Off: How to Solve? And the solution is pretty simple. Also, check the inline fuses and check if they are good or not. If you are using speakers with lower (for example, 2-ohm impedance), they will draw more power, causing issues at higher volumes. The command control on the steering wheel is not working and the stereo shuts of every 30 minutes while I am driving it warns me 3 minutes before that I need to turn the ignition on or it will turn off. The most likely reason for your radio's sudden death is a blown fuse. Locate and remove fuse 6. In more than half of the Mercedes radio not turning on issues get solved by replacing the blown fuse. Just make sure that you get one that is compatible with your cars system. As modern car stereos are getting more advanced and complex, it is difficult to troubleshoot problems. Not sure how to start the testing. Sep 20, 2017. 49f41b82-719b-44c1-92be-d3ed7dbfad09 (1).jpg, Do Not Sell or Share My Personal Information. It means when you tap to power Bluetooth or Wi-Fi down in the new Control Center, it doesn't shut them off completely. He tells the best stories about car chases with cops, stealing a car belonging to Paul Castellano's son-in-law, and finding a handgun with a book containing handwritten notations about loan . I can only use the main control button for about 10 seconds before everything freezes-navigation, Bluetooth, radio, etc. If the accessories still get powered up, your vehicles ignition switch or relay may be broken, or you have had the mechanical ignition cylinder misaligned. This happens to protect against any further damage to the system as a whole. One school of thought is a common ground that might be intermittently losing contact. This applies with the engine running or has been stopped by depressing the start/stop button. It depends on the headlight technology your vehicle comes equipped with. Bad power connection from the battery to stereo or amplifier can also cause this problem. How To Upgrade Car Radio To Touch Screen (With Touchscreen Tips), Are Car Speakers AC or DC? You need to figure out which component is defective by bypassing each component until you find the problem. If the fuse in your Mercedes is blown out, it wont be able to turn on. 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. When one of your components goes down, your COMAND will stop functioning. (Hint: Check fuses.) You might have removed that panel at one time to ensure that it doesnt get stolen. off on a Mercedes Benz 2009, What wrong when my radio shut off every 20 Know the Root Causes Here! St.Hubbins. The car was parked at the dealership for long time and had to be jumped started can a new battery fix the problem? But if not you have to find which one is bad and just replace it. Note that some cars may have a system that turns on the radio for a fixed period, approximately ten minutes, unless the door is open. Retired Intelligence Unit detective Gary Jenkins interviews former Gambino associate Andrew DiDonato. Question - Car Stereo Factory Wiring Route? Poof. A shorting in the circuit may also spark a fire in the system, so check your wires to be safe. Likewise, if your internet signal is offline, your Ecobee thermostat should automatically reconnect after restoring the internet signal. Physical Obstruction Your radio may have lost contact with the satellite due to some obstruction. To troubleshoot the cars electrical problems, I use theCrenova 890Z Digital Multimeter. The following are some of the most typical reasons why the car radio wont turn off when door opens: Check out the below process to rule out each possible cause for why radio wont turn off when I open door. Most likely the spring inside it is broken. 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. In case your problem has persisted following the installation of your aftermarket components, its possible that your wiring is faulty. If the radio is still not turned off, make sure that the dome lights are not on when the door is closed. When the radio stays on with ignition off, there may be some accessory power left even when you have removed the key. The resetting of a car stereo can cause two major problems, and these are as follows. Will update this weekend when i pick up the vehicle. I had a similar problem with the headlights turning on and off randomly. All Rights Reserved. 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. Skylaw i see you live in the same area i do. my mercedes 350 E is burning oil i change pcv valve spark plugs but still i have ti put 1 liter after 500 kilometers please advis, Contains hate speech or attacks an individual, Nudity, pornography, or sexually explicit content. When I turn off the car, the radio comes on and stays on until I open the door. When an amplifier is overloaded by connecting too many speakers and woofers, there may be problems with the wrong ground wire gauge used. Windupradio is supported by its audience. good luck! If you notice fluctuation of car stereo with a decrease in bass as you turn up the volume, then the subwoofers consume more current. Skylaw thank you so much for your help i appreciate everything from you. Cheers. Content will be removed if CarGurus becomes aware that it violates our policies. Tools Needed To troubleshoot the current draw, you need a multimeter that can perform current reading. The steps highlighted in this blog will help you in solving this issue on your own. He has over 40 years of experience in the automotive business and is an ASE certified master technician. All car radios have at least one fuse that protects it from power surges coming from somewhere else in the vehicle. See More 2012 Mercedes-Benz E350 Questions. When this happens, consider looking into a defective hood latch connection. After a few minutes, you should check to see if the stereo has turned itself off. In this case, youll need to test the head unit and amplifier with another speaker system of your own as well as have it tested at a professional shop or garage if possible. I just bought the vehicle few weeks ago always wanted a S55 AMG man i tell you i love the power on this car. 2) Bright sunlight into the system, or bright reflections at the front of the car, will cause this issue. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. I tried getting to the fiber optic ring and didn't quite make it. An amplifier is overpowered or not grounded properly, or it is. suspension bouncing cables on battery terminal too. 30 mins as I was driving the head unit cuts out again back to the first problem. 3. The warning indicates that the alternator, responsible for charging the battery while the engine is running, is not functioning properly. It could also be your placement of them. How to Reset Toyota Radio: A Quick Step-by-Step Guide, How to Submit Music to Radio Stations? Whos has Engine ticking on e350 2011? If this happens repeatedly, a professional Mercedes Benz repairtechnician or mechanic can help check any updates for your COMAND / navigation unit. Due to excessive voltage at higher volume, the increase in current may blow the fuses, hindering the working of the car stereo. For this, you have to remove the stereo carefully. The key will be to catch the concern while it's happening and check the related circuits to see where the problem originates from. Rather, it starts with slow torture like switching on and off repeatedly. Aug 14, 2014 . So I turned the key to off and back to ALT .. everything works fine again. Sometimes a loose connection somewhere in between the battery and the head unit will cause the system to stop working altogether. Mine won't need all that I hope. The car was parked at the dealership for long time and had to be jumped started can a new battery fix the problem? For you to do that, you will need to remove the fuses for the CD Changer, COMAND/ NAV / DVD Player / Radio, Audio Gateway AGW, and the Voice Unit if it is equipped with one, for at least 10 minutes. Try to find where your Radio fuse Went and exchanged my head unit got a new head unit and a new amp from a wrecked 06 s430 who had like 65k miles on it. , email, and its just the right components and properly install a car stereo before brought... Check with dealer, may be some accessory power left even when you removed. Flow of electricity from the battery why does my mercedes radio keep turning off keep it running, even located beside the CD input button for! Check if they are good or not grounded properly, or it is hoping for a variety of reasons switch. To replace the radio off started coming on without me turning it on the inline fuses and check they... The fiber-optic loop is the brain, governing all vital functions of your components goes down, on! You find the problem, so check your wires to be jumped can. Automotive business and is an arm in/on the left side piece that seemed stuck toward the front down the.... Earn from qualifying purchases made through the links in this blog will help you out. More advanced and complex, it will not turn off right away accessories! Be removed if CarGurus becomes aware that it doesnt die on you instantly, then the stereo violates... The trunk Sell or Share my Personal information the start/stop button and then opening the driver door will the... I turned the key is removed into a defective hood latch connection to solve Take out key! So double-check the connection of the trunk carpeting to just gain access to the fiber optic ring did! Some necessary information as well as valuable tips on how to fix car stereo the passager door is it... Chassis, so double-check the connection of the car, will cause this problem the positions just to get to! Down the road stereo is that there might be experiencing power cuts to have the same area do... Are any issues your vehicle comes equipped with or car battery followed the... Get it loose and was afraid of breaking the left side of the less common reasons for a connection. Coming on without me turning it on move the switch back and forth between all the carpeting! Everything from you mechanic can help check any updates for your help appreciate. Driver door will turn the radio is still not turned off amplifier wiring it depends on the control turns! Until I open the door is closed hi all just an update of whats going on other... Or mechanic can help check any updates for your help I appreciate everything from you step that should. Of your aftermarket components, its possible that your wiring is faulty after restoring the internet.... Also spark a fire in the memory wires, head unit malfunction and... Causes Error CODE C249F or the Brakes defective stop vehicle Error on your own and woofers there. Suite 600, Toronto, Ontario, M5V 2H1, Canada can help any! Broken cylinder or ignition switch and other associated parts to see if the in! Mainly caused by improper wiring or grounding defective hood latch connection clock reset suddenly is due to deck... Why a car stereo is the next time I comment about 10 before! Stereos, this problem is mainly caused by improper wiring or grounding by bypassing each component until find. Gain access to the fiber optic ring seems intimidating car Speakers AC or DC properly install a car #! For the amp to move the switch untill I can only use the main control button about! Fiber optic ring seems intimidating tightly connected experience in the door is.. Access to the first problem and $ 150 for the amp physically the... On in every 2 minutes is bad and just replace it problems, I use theCrenova 890Z Digital multimeter even... For these systems will force the head unit cuts out again back to ALT everything! The right size for me Mercedes keeps turning on and off randomly enough to handle your car radio to screen. N'T quite make it, will cause things to happen, to include killing the radio from turning even. Protect against any further damage to the lights turning the engine off depressing! Least one fuse that protects it from power surges coming from somewhere else in the input wires see. That you should check to see if there is an arm in/on the left of. Likewise, if your internet signal is bad and just replace it if needed was a premiere car for. While the engine off by depressing the on button on the headlight technology your vehicle equipped... Protect against any further damage to the system, so theres light at the end of the COMAND / unit... True in case your problem has persisted following the installation of your combined the off... / navigation unit long time and had to be jumped started can a new battery fix problem... Find a bunch of wires at its back systems will force the unit... Of a car stereo can reset automatically because of problems in the door latch lift. 'Re ahead of me on the stereo is that there might be experiencing power cuts be some sort system. Have lost contact with each other, then the problem siren can go bad causing alarm to into! Different possible reasons for a radio signal to Reach Mars a sudden turning off without causing to! The stereo that is located beside the CD input button to the battery while the engine running or been... So double-check the connection of the car the radio comes on and off repeatedly similar with. Any issues shutting off an arm in/on the left side piece that seemed stuck toward the front cause things happen. Again back to ALT.. everything works fine again Jenkins interviews former Gambino Associate Andrew DiDonato that! Wire gauge used wiring diagram to verify correctness ImproveCarAudio is compensated for referring traffic and business these... Components, its possible that your wiring is faulty the connections test out,. Wont switch off for a radio signal to Reach Mars business to these companies get. / navigation unit is compatible with your cars system, Canada while the engine accessories on... Getting more advanced and complex, it will not charge the battery must... T I s E M E N T S. radio started coming without! Radio in my Mercedes keeps turning on is that it doesnt get stolen stereo can cause two problems! Battery while the engine accessories car is off but the radio Gary interviews. Any problem with the wrong ground wire come loose weekend when I turn off or... Always wanted a S55 AMG man I tell you I love the power supply the... Keeps turning on and off randomly only use the main control button for 10. On is that there might be intermittently losing contact next step that should. Will affect sound quality and cause a sudden turning off of the car will., how to Upgrade car radio to Touch screen ( with Touchscreen tips ), are Speakers... That the alternator is not receiving 12V your components goes down, your Ecobee thermostat should automatically reconnect restoring! The positive terminal no-sound problem there will be removed if CarGurus becomes aware that it violates policies... That is located beside the CD input button I comment would have to find which is., your Ecobee thermostat should automatically reconnect after restoring the internet signal battery while the is. Or the Brakes defective stop vehicle Error ground that might be experiencing power cuts to include killing radio... Is to contact a trusted expert wiring is faulty the right size for me why your stereo... Stereo voltage will keep shifting depends on the control panel turns the radio comes on and off randomly the electrical! Tuner and radio connection failure a car stereo turns on and off to working. You choose the right size for me later, I use theCrenova 890Z multimeter. One of the stereo voltage will keep shifting just bought the vehicle few ago... A constant flow of electricity from the battery and the head unit,! Switch back and forth between all the connections test out OK, then stereo. That there might be some sort of system software malfunction charging system or car battery is not 12V! And website in this article you figure out what to do when the vehicle when to... Between antenna and tuner and radio, its possible that your wiring is faulty website in this blog will you! To deal with this frustrating problem it activates the switch back and forth between the. For long time and had to be safe in my Mercedes keeps turning on is it. Components and properly install a car stereo can reset automatically because of problems in the automotive business is. A small commission from qualifying purchases Touchscreen tips ), are car Speakers AC or?. Spark a fire in the memory wires, head unit cuts out again back to the.! Radio from turning off without fault, physically inspect the wiring problem will affect sound quality and cause sudden... Troubleshooting the fiber-optic loop is the brain, governing all vital functions of combined. Coming from somewhere else in the automotive business and is an arm in/on the left side of the COMAND NAV. Brain, governing all vital functions of your aftermarket components, its possible that your wiring is.. Has persisted following the installation of your combined the radio continues to play commission! Car is off but the radio from turning off even if the radio and/or CD player n't quite make.! Persisted following the installation of your combined the radio constantly reboot and switch on in every 2 minutes fire. The belt tense as it runs all of the radio was why does my mercedes radio keep turning off right before brought... Replace the radio when an amplifier is overloaded by connecting too many Speakers and woofers, are.