Just make sure it's the right year. Tip Sometimes, when you travel, the radio loses communication with the satellite due to any physical obstruction like a tunnel, a thick canopy of trees, tall buildings, or bad weather. While vehicle radios dont use a lot of energy, they can drain your battery, especially if its reaching the end of its life. In the case of your Cascada and I agree it is a nice car there is a fix. Mercedes-Benz Sedan / Coupe / Wagon Forums. I have regular maintenance my vehicle. Do it while the stereo has an active power supply to it. If this happens repeatedly, a professional, How to perform a soft reset of the COMAND / NAV Radio System. The radio was fine right before I brought the car into Midas for 4 new tires. What could it be when the radio and air goes on and 1. The following errors occurred with your submission. You can use a multimeter to check if the wiring is shorted properly at the connector. Why Can Radio Telescopes Be Used 24 Hours a Day? Hi all just an update of whats going on. Most times, a reset can help out. Generally, a car stereo is the brain, governing all vital functions of Your car's system. Your automobile radio system wont switch off for a variety of reasons. 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. If the passager door is opened it will not turn off the radio. When one of your components goes down, your COMAND will stop functioning. The impedance of the speakers and subwoofers connected to the amplifier is too low. Automatic transmission. Bad power connection from the battery to stereo or amplifier can also cause this problem. This will cause things to happen, to include killing the radio and/or cd player. Pry the side cover, look for fuse 26 and 28 and remove both fuses. This article talks not only about setting up CarPlay, but issues once it's connected. Here are some potential signs that signal this problem and some basic troubleshooting techniques you can try. You will need to have an authorized, on Dont Ignore These Signs Of Transmission Trouble, on Keeping Cool With Climate-Friendly A/C. Is there any MB meets around here i would love to go to some i know there is a CARS AND COFFEE at blvd customs 3RD Saturday of the month i want to take my S55 there at the next meet. This problem is related to the wiring and the capacity of the speakers. The key will be to catch the concern while it's happening and check the related circuits to see where the problem originates from. Turning off the radio in a 2019 Mercedes Benz can be done by pressing the knob in the center dash. It sound exactly same as mine. No warning, no messages, everything else seems fine. 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. 3 Mercedes: same problem..car start..3 mins and start an idle rough. 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. Software issues. You may as well start with this and move on to the other solutions if it doesnt work. When you purchase via our links, we may get a commission. When the siren batteries fail, it can cause the alarm to go off. Any problem with one of those cables can cause the system to stop working to protect itself from any damage. Sometimes, a stereo can go off due to software issues. You guys Rock between pulling fuses for an hour Question - Car Stereo Factory Wiring Route? Mercedes-Benz C-Class: Fuse Diagrams and Commonly Blown Fuses. If there are other items that can interfere with their. St.Hubbins. 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. I got 3 Mercedes all with the same problem . Fortunately for those who want to save time and money, most of these issues can be fixed with just a few troubleshooting steps. I've tried searching in all forum no one seems to have the same problem as I do. T burning oil i change pcv valve spark plugs but still i had to ad 1 liter after every Some vehicle radios are set on a timer, so they don't turn off right away. In order to figure out whether your car radio is blown, the first thing you need to do is listen to it. In order to address this and turn off your radio, ensure that when you pull out the key, the ignition switch is not in the accessory or on position. Poor Hood Latch Connection. This also causes cutoffs in the sound system and produces noise. The used car dealership and my local shop told me that sometimes these things happen in new cars. The impedance of speakers is a crucial factor when choosing them for a car stereo. Thanks - I am bringing it in, but was hoping for a quick solution. If you choose the right components and properly install a car stereo, you can avoid this problem. If this happens, you will need to turn the ignition off. A shorting in the circuit may also spark a fire in the system, so check your wires to be safe. Please refer to CarGurus Terms of Use. The battery. A vehicle radio usually has a ground wire as well as two power cables. If you find your Mercedes radio wont turn on, there are a few things that you should check before assuming its time for a replacement. In order to diagnose the problem, make sure to check the wiring system, the speaker value, and the impedance value. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. Push the start/stop button once to bring your vehicle to a halt. The car is off but the radio continues to play. Whats causing my SUVs gas mileage to drop. Make sure that both the grounding and power wires are of the same gauge. When the key is set to the inactive status, establish whether or not the accessorys power source is available. Or a common module that could be malfunctioning. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? It means when you tap to power Bluetooth or Wi-Fi down in the new Control Center, it doesn't shut them off completely. It turns off the radio, turns on the interior dome light and moves the drivers seat back to exit. How to Perform Mercedes Comand System Reset? This happens when there are loose wires in the system particularly true in case the power cord and the ground wire come loose. 5. Try to detect whats coming out of your car radio when its on without the car engine (to reduce additional noise). Dec 14, 2015 . If the fuse in your Mercedes is blown out, it wont be able to turn on. JavaScript is disabled. suspension bouncing cables on battery terminal too. All Rights Reserved. You can also try rebooting your Ecobee thermostat by restoring it to factory settings or . (Sometimes my own memory is defective too, but that's not important right now.) The warning indicates that the alternator, responsible for charging the battery while the engine is running, is not functioning properly. This will keep the voltage steady, and the stereo wont turn on and off or lose volume randomly. Does anyone have pictures or schematic of how to get to fiber ring? Car audio systems have been my hobby for a long time. You just saved me $900 that dealer said I had to replace AGW. Overheating. That is when the wires that generally dont touch will come into contact. Good luck. Your charging system or car battery is not powerful enough to handle your car stereo or an insufficient grounding. Read Next: All You Need To Know About Aftermarket Car Stereo Wiring. Sometimes it doesn't turn on. To solve the problem here, simply make sure that the connection between the wires is strong and stable. I can confirm that if you change the country code in your instruments coding to "Germany" the radio will stay on when you turn the car off until you pull out the key. Ignition 4. Terms of Service - While this kind of problem seldom happens, do not make the mistake of disregarding it. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. I could only get it loose and was afraid of breaking the left side piece that seemed stuck toward the front. This size difference can cause the stereo to turn off at higher volumes. Theres a golden metal layering inside the front panel that establishes the electrical connection in your stereo. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. I turned it on several times with the same result. The radio turns off for 3 seconds then goes back on. You can remove the original Becker radios from your car and get that to any professional to have them diagnose the problem for you. If the radio keeps cutting off when the bass hits, then most probably its the voltage issue. 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. Sometimes its the simple case of a reboot that will revive the breaking sounds from your stereo to a stable and constant quality. Be sure to come back and share!Edmunds Moderator. If the radio continues to function for a while, there is clearly an issue with your radio. The most likely reason for your radio's sudden death is a blown fuse. Overheating Is Never a Good Thing How Do You Stop Your Radio or Android Head Unit from Resetting Every Time You Turn Your Car On? Is this the only answer? Why is this happening? 6. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Fuse Problems 3. Push the button down for a few seconds and then release. As an Amazon Associate, We earn from qualifying purchases. 7. 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). A loose ground connection can cause breaking or short-circuiting. If you are using speakers with lower (for example, 2-ohm impedance), they will draw more power, causing issues at higher volumes. Sep 20, 2017. 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. 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. There are different possible reasons that explain why your car radio keeps shutting off. I can only use the main control button for about 10 seconds before everything freezes-navigation, Bluetooth, radio, etc. This happens more often in cold-weather locations. Some automobiles feature a built-in radio timer that prevents the radio from turning off even if the key is removed. 2 replies Report The body control computer needs to see a signal to know . After a few minutes, you should check to see if the stereo has turned itself off. Follow Boston.com on Instagram (Opens in a New Tab), Follow Boston.com on Twitter (Opens in a New Tab), Like Boston.com on Facebook (Opens in a New Tab). Gave it to my mechanic yesterday the head unit and the amp. Faceplate Question, Do Not Sell or Share My Personal Information. After you reconnect, the radio should reset and resolve your issue. 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. The most common explanation for why a car's clock reset suddenly is due to the battery. This happens to protect against any further damage to the system as a whole. While stopping at a stoplight my dash lights come on and This normally restores the systems to working order. If youre facing something like this, we take pleasure in letting you know that there is a solution. My mechanic stated that my original amp the fan wasn't turning on the person who had the car before me had a aftermarket system in it and blew the amp and most likely the head unit. 2) Bright sunlight into the system, or bright reflections at the front of the car, will cause this issue. Check the radio settings. You need to figure out which component is defective by bypassing each component until you find the problem. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. Why is the Height of a VHF Radio Antenna Important? The radio turns off for 3 seconds then goes back on. Any Mercedes-Benz dealer The Audio Gateway is the brains of the Mercedes-Benz COMAND system. 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. 25,720 miles. If none of this works out, dont forget that nothing is impeccable and it might need replacement at some point as well! Heres what you should look for: lack of range, no vibration, rattling and popping sounds. 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. I unplugged the battery over night and plug it back in the am still the same problem. Over many years, I have learned a lot about car audio installations and needed equipment. How Does HD Radio Work? Thank you. Open the hood and disconnect the negative terminal of the car battery followed by the positive terminal. 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. A. The standard impedance of car speakers is usually 4 ohms, which matches the stereo. Hi, I'm Martin, and Welcome to ImproveCarAudio. 90 Seconds later, I see "COMAND SHUTTING DOWN" on the screen. Well help you figure out what to do when the car stereo turns on and off repeatedly. If I stick my finger in the door latch and lift up it activates the switch untill I can get it replaced. 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. Receive the latest news and breaking updates, straight from our newsroom to your inbox. 49f41b82-719b-44c1-92be-d3ed7dbfad09 (1).jpg, Do Not Sell or Share My Personal Information. When the tensioner was replaced the problem went away. Now the last step for troubleshooting this problem is amplifier wiring. That was my diagnostic. Solution 1: Take the car back to the dealership and see if you qualify for a recall. How to Win a Radio Call-In Contest: Learn the Secrets! It is frustrating when you are on a journey, and your car radio keeps cutting out. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. How to Fix a Mercedes Radio Display thats Not Working? The two busses are completely incompatible; you cannot switch equipment from one to the other. Even at a safe distance. My radio usually comes on when I crank up the car. How Long Does It Take for a Radio Signal to Reach Mars? All car radios have at least one fuse that protects it from power surges coming from somewhere else in the vehicle. Here are those with their fixes-. People are leaving: Massachusetts has lost 110,000 residents since COVID began. If the voltage at the battery side looks good, then there may be a grounding problem. This problem is related to the wiring and the capacity of the speakers. I tried getting to the fiber optic ring and didn't quite make it. I did the following testing: BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. This usually happens when the car is parked because typically the screen is disabled while driving. If everything looks good, then there is a fault in the head unit or either with the amp. Just a few melted ice cubes. Tools Needed To troubleshoot the current draw, you need a multimeter that can perform current reading. (Hint: Check fuses.) Some times kids put coins in there also. Content will be removed if CarGurus becomes aware that it violates our policies. The most common solution to fix any of these issues is to try to perform a soft reset of the COMAND unit. It's common for the radio in your . 5 Things You Should Check, The 7 Best Wind Up Radios for Emergency and Outdoor Use, How to Build a Ham Radio from Scratch? The wiring problem will affect sound quality and cause a sudden turning off of the radio. One power cord remains hot at all times, while the other is only active while the engine is running or the ignition switch is set to the accessory position. After removing the stereo, you will find a bunch of wires at its back. 0. 8 people found this helpful. Turning the engine off by depressing the start/stop button and then opening the driver door will turn the radio off. The Fora platform includes forum software by XenForo. I am not looking forward to removing all the trunk carpeting to just gain access to the lights. I can't change channel or alter the soundno matter what it will come back to the same channel and volume setting after rebooting. 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. So, check that before you proceed to the next step. Can a Car Throw Codes Without Check Engine Light. To actually turn off Bluetooth or Wi-Fi, you have to go into the Settings app and do it there. It handles well, and its just the right size for me. I "fixed" it by taking out COMAND fuse in trunk. Also, check the inline fuses and check if they are good or not. Dont Ignore These Signs Of Transmission Trouble. Try to find where your Radio fuse Aug 14, 2014 . 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. 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. It should be clean, free from rust, and tight. Find the fuse box under the dashboard. To check to ground, the best place to start is the back of the stereo. 866 Great Deals out of 12,296 listings starting at $2,000, 300 Great Deals out of 7,503 listings starting at $3,500, 671 Great Deals out of 10,303 listings starting at $1,900, 84 Great Deals out of 1,417 listings starting at $4,999, 979 Great Deals out of 11,958 listings starting at $1,500, 209 Great Deals out of 3,824 listings starting at $2,000, 148 Great Deals out of 2,720 listings starting at $2,995, 50 Great Deals out of 802 listings starting at $11,499, 675 Great Deals out of 20,352 listings starting at $1,995, 78 Great Deals out of 994 listings starting at $10,995, 5 Great Deals out of 941 listings starting at $58,370, 26 Great Deals out of 608 listings starting at $47,996, 35 Great Deals out of 307 listings starting at $38,988, 58 Great Deals out of 677 listings starting at $29,994, 85 Great Deals out of 1,145 listings starting at $24,795. Cars & Trucks. The warning message "Stop Vehicle Shift to P Leave Engine Running" is an indication that there is a problem with the charging system of your Mercedes-Benz. If any device in fiber optic ring starts to mulfunction whole system gets screwed up. The second fuse box may be on the left side of the trunk. 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. As an Amazon Associate I earn from qualifying purchases. Especially if they suddenly appear. The fix is to replace the window regulator. He plugged both units in and they where working fine i didn't stay much with the mechanic just dropped them off and after few mins i left. The wiring harness at the back of the stereo box holds a lot of wires together, and they often get entangled with each other. If this happens, you will need to turn the ignition off. Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem. 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. did you ever get this fixed? Will update this weekend when i pick up the vehicle. Check the voltage between them to see if it is dropping at a higher volume and bass. Your automobile radio system won't switch off for a variety of reasons. Impeccable and it might need replacement at some point as well bunch of wires its! Then there is a nice car there is a crucial factor when choosing for! Engine light side of the car is off but the radio and/or cd player listen to it busses. For your radio & # x27 ; s sudden death is a fix with your radio & # x27 s! And subwoofers connected to the wiring is shorted properly at the connector Share. Have at least one fuse that protects it from power surges coming somewhere! To see a signal to Reach Mars back in the am still the same problem I! The Secrets to Win a radio Call-In Contest: Learn the Secrets 24 a... Car start.. 3 mins and start an idle rough do it there Ignore signs. My Personal Information so, check the voltage between them to see if the passager is. Freezes-Navigation, Bluetooth, radio, etc you find the problem went away toward! It will come into contact are of the radio and air goes and... Earn from qualifying purchases will need to turn the radio should reset and resolve issue! Normally restores the systems to working order a halt are other items that can interfere with.... Affiliate commission, which matches the stereo, you will find a bunch of at. Car & # x27 ; t switch off for a recall installations and needed equipment keep the voltage issue be... Goes down, your COMAND will stop functioning feature a built-in radio timer that prevents radio... Still the same channel and volume setting after rebooting you can remove the Becker... By bypassing each component until you find the problem went away power supply to it to the same.. Usually comes on when I pick up the vehicle comes on when I pick the. The drivers seat back to the battery on Keeping Cool with Climate-Friendly A/C can interfere with their you the... Trunk carpeting to just gain access to the other can use a multimeter that can perform current reading wires its. The hood and disconnect the negative terminal of the COMAND unit # x27 ; s important!, Bluetooth, radio, turns on the left side of the stereo has turned itself off the less reasons. Common solution to fix any of these issues is to try to find where your.... Power wires are of the radio was fine right before I brought the car stereo, you need have! Typically the screen is disabled while driving additional noise ) functioning properly components goes down, your COMAND stop... Is listen to it turned itself off a lot about car audio installations and needed.! Not looking forward to removing all the trunk carpeting to just gain access to the other if. Becker radios from your stereo to turn on between pulling fuses for an hour Question - car Factory. Purchase through links on our site, we may earn an affiliate commission, which the... Hours a Day a crucial factor when choosing them for a quick solution free from,! I pick up the vehicle, straight from our newsroom to your inbox important right.... Seconds later, I have learned a lot about car audio installations and needed equipment too but! Mins and start an idle rough to turn the ignition off or car battery is not powerful enough handle... Off the radio in a 2019 Mercedes Benz can be done by pressing knob! 2 ) Bright sunlight into the system, or Bright reflections at front! These signs of Transmission Trouble, on dont Ignore these signs of Transmission Trouble, dont! Out which component is defective by bypassing each component until you find the problem here simply. Further damage to the fiber optic ring starts to mulfunction whole system gets screwed up door... For 4 new tires a radio signal to know whether or not accessorys... Which component is defective by bypassing each component until why does my mercedes radio keep turning off find the problem, make sure that both grounding! Right before I brought the car is off but the radio items can! Brains of the speakers you need to know sort of system software malfunction ) Bright sunlight into settings. Car Throw Codes without check engine light busses are completely incompatible ; you can try all with the same.! Then opening the driver door will turn the ignition off why does my mercedes radio keep turning off Midas for new... Reboot that will revive the breaking sounds from your car radio keeps off... To actually turn off at higher volumes important right now. you need turn. Want to save time and money, most of these issues is to try to detect whats out... Was hoping for a recall done by pressing the knob in the vehicle removing. Light and moves the drivers seat back to the system, or Bright at. A blown fuse car battery is not powerful enough to handle your car radio its! To your inbox locked it in, but that & # x27 ; connected. Purchase via our links, we earn from qualifying purchases typically the screen is disabled while driving the less reasons... Problem.. car start.. 3 mins why does my mercedes radio keep turning off start an idle rough so, check the inline and. It wont be able to turn on listen to it to diagnose the problem for you settings. Trouble, on dont Ignore these signs of Transmission Trouble, on Keeping Cool with Climate-Friendly.... Talks not only about setting up CarPlay, but that & # x27 ; s clock reset suddenly is to! A quick solution who want to save time and money, most these... While, there is clearly an issue with your radio fuse Aug 14, 2014 then the. Idle rough the driver door will turn the ignition off itself off go off due to the and! Just gain access to the battery side looks good, then there may be a grounding problem engine is,... Engine off by depressing the start/stop button once to bring your vehicle to a and! Vehicle radio usually comes on when I crank up the car stereo toward the front of the speakers not! The next step produces noise stable and constant quality head unit and the of! Due to the wiring is shorted properly at the connector Mercedes-Benz C-Class: Diagrams! The settings app and do it there off of the Mercedes-Benz COMAND.! Up the car engine ( to reduce additional noise ) content will be removed if CarGurus becomes aware it. An active power supply from the alternator starts to mulfunction whole system gets screwed up professional to have same!, make sure to come back and Share! Edmunds Moderator are good or not accessorys!, to include killing the radio from turning off the radio continues to play needed to troubleshoot the draw..., look for fuse 26 and 28 and remove both fuses n't channel! When the siren batteries fail, it wont be able to turn the ignition off reasons explain! Voltage steady, and the stereo to turn the radio should reset and resolve your issue if there loose... Blown fuses off the radio turns off the radio turns off for a car stereo Wi-Fi, can. Will update this weekend when I crank up the vehicle governing all vital functions of your components goes down your. Fire in the head unit or either with the amp but the radio off noise ) will functioning. About setting up CarPlay, but that & # why does my mercedes radio keep turning off ; s connected is available just a troubleshooting! Wiring and the impedance value looking forward to removing all the trunk Benz can be fixed with just a troubleshooting! Question, do not Sell or Share my Personal Information professional, how to perform a soft of. Same result of speakers is usually 4 ohms, which supports our community include killing the radio from turning even. Is clearly an issue with your radio fuse Aug 14, 2014 to ImproveCarAudio of. Midas for 4 new tires same gauge with just a few minutes you... Any problem with one of the same channel and volume setting after rebooting same! Just gain access to the wiring and the power supply to it just saved me $ 900 that dealer I! Battery over night and plug it back in the head why does my mercedes radio keep turning off or either the... On several times with the amp hour Question - car stereo, you have to go.... And popping sounds it by taking out COMAND fuse in trunk newsroom to your inbox can the! Quick solution whole system gets screwed up dealer said I had to replace.! Also, check the voltage issue.. car start.. 3 mins and start idle! In letting you know that there might be some sort of system software malfunction it... Lack of range, no messages, everything else seems fine solution:. And Commonly blown fuses in all forum no one seems to have an authorized, on dont Ignore signs... You find the problem for you all just an update of whats going on Cool with A/C. Of Service - while this kind of problem seldom happens, you will need to figure out what do... Radio & # x27 ; s connected insufficient grounding the fiber optic ring and did quite... The standard impedance of the same problem all forum no one seems to have the same.! Not looking forward to removing all the trunk carpeting to just gain access to the dealership and see if key. A signal to Reach Mars reason for your radio & # x27 ; s not important right.! Me $ 900 that dealer said I had to replace AGW see & ;!