did you ever get this fixed? (Hint: Check fuses.) This will cause things to happen, to include killing the radio and/or cd player. 6 Answers 640 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). Locate your fuse boxes, and become current with fuse sizes as well as color codes. (Detailed Explanation & FAQs), How to Remove a Car Stereo Without Din Tools (5 DIY Steps). Mine does the same thing (mostly works, but turns on by itself after I turn off engine). A fuse chart for your model can be found on your fuse box, use the chart to identify the fuses for these components. Generally, a car stereo is the brain, governing all vital functions of Your car's system. 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. good luck! Your automobile radio system wont switch off for a variety of reasons. Software issues. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. This happens to protect against any further damage to the system as a whole. Any Mercedes-Benz dealer And nothing sours that happiness. The Fora platform includes forum software by XenForo. In other words, when you set the ignition switch to off, the ignition accessory cable will not receive any power. If the radio is still not turned off, make sure that the dome lights are not on when the door is closed. 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). Sometimes any input or output issue present in either the head unit or the amplifier causes the whole car stereo system to stop working. Please refer to CarGurus Terms of Use. A Detailed Guide, The Best Garage Radios to Listen to Your Favorite Songs in Workshop. Tools Needed To troubleshoot the current draw, you need a multimeter that can perform current reading. The multimeter should be able to read at least a 10 amp current. To put your car in accessory mode, press the start/stop button a second time. Your stereo has a detachable front panel, right? A number of Mercedes drivers report a rattling sound in their engine when they start their car. Skylaw i see you live in the same area i do. Poof. You may want to check the terminals and make sure they are in good working order. That is why I set up a website sharing my skills and guides to help non-professional users use their radio headsets, set up their antennas or choose the right products, etc. The ground wire is usually bolted to the chassis, so double-check the connection of the ground. People are leaving: Massachusetts has lost 110,000 residents since COVID began. What Causes Error CODE C249F or the Brakes Defective Stop Vehicle Error? Wiper relays usually cost less than $20. Best of luck! The first reason would be that the head unit is not receiving 12V. The battery. Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem. Check to see whether your key or ignition cylinder turns out to be worn. And the solution is pretty simple. Chances are the symptoms may return. One of the most annoying things about the stereo is that it doesnt die on you instantly. Check if the amplifier is grounded correctly. He has over 40 years of experience in the automotive business and is an ASE certified master technician. To troubleshoot the cars electrical problems, I use theCrenova 890Z Digital Multimeter. Chances are the symptoms may return. Aug 14, 2014 . Did you get a good deal? Good luck. Take out the key from the ignition and dont turn on the car for at least 15 minutes. However, you should visit a professional to learn more about your radios condition. 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. Radio works normally, command center on the steering wheel is working as well as the GPS. A friend told me maybe the fuse is out but if it isthe radio won't be unable to switch on at all.Hope someone out there could help me here, Edmunds Price CheckerEdmunds Lease CalculatorDid you get a good deal? If all the connections test out OK, then the problem is internal to the deck. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. If there are other items that can interfere with their. Usually, only when the ignition switch is set to the accessory position can your car radio be powered up and running. 1. You can check with a dealer to see if they will cover the problem but I'm guessing since there was no recall, they probably won't. If not, you can try this: Reset the radio by disconnecting the negative battery cable for 10 mins or so. It's common for the radio in your . Is life better out there? Bookmark this article for further reference, and dont forget to share it with your friends to save them from some challenging problems related to car accessories. When your radio stays on when car is off and door is open, you may have to deal with some unpleasant repercussions. The impedance of speakers is a crucial factor when choosing them for a car stereo. Doing a soft reset for these systems will force the head unit to rest. There also can be similar wiring issues between tuner and stereo. If youve tried everything and your car cannot succeed in turning off radio, professional help is necessary. The second fuse box may be on the left side of the trunk. The radio in my Mercedes keeps turning on and off. 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. When you put it back, something didnt sit right. If your radio stays on when car is off and door is open, rest assured that you can fix it by following the above tips and advice. That is normal. Whats causing my SUVs gas mileage to drop. If the voice coil of a speaker is damaged, then one of two cases can happen. 5. While stopping at a stoplight my dash lights come on and As an Amazon Associate, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this article. Trace the black wire. It sound exactly same as mine. Fortunately for those who want to save time and money, most of these issues can be fixed with just a few troubleshooting steps. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. Wed tell you to start small if your car stereo turns on and off repeatedly. If it continue to play after the driver door is opened and the ignition is turn off this is . Solution 2: Disable the touch option permanently by removing the ribbon that connects to the screen (a bit of disassembly is needed) 2. The most obvious . This problem is related to the wiring and the capacity of the speakers. To reboot the stereo, you have to press a push button on the stereo that is located beside the CD input button. 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. When one of your components goes down, your COMAND will stop functioning. In the case of your Cascada and I agree it is a nice car there is a fix. I find that depressing the ON button on the control panel turns the radio off and the screen goes black. Check the connectors and see if they are tightly connected. Next time this happens, put the key . I can get it to turn on after a while for about 30 seconds it plays and everything than cuts back out. You will need to have an authorized Mercedes-Benz servicetechnician replace the whole unit if AGW is defective. The body control computer needs to see a signal to know . It may short circuit, resulting in a closed circuit, or the speaker can completely break down, leading to an open circuit. Not sure how to start the testing. There is an arm in/on the left side of the disc player. After removing the stereo, you will find a bunch of wires at its back. Stereo will seem to be working, but the music cuts off. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. Sign in or register to get started. When this happens, consider looking into a defective hood latch connection. If the radio continues to function for a while, there is clearly an issue with your radio. 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? This will keep the voltage steady, and the stereo wont turn on and off or lose volume randomly. 1,500 miles. Car audio related questions and helpful hints for building the best sound system for your car or getting the most out of what you have. If both wires are constantly hot, find a power supply that heats up only when the ignitions in the accessory position; then, use that to power your radio. Read Next: All You Need To Know About Aftermarket Car Stereo Wiring. Will update this weekend when i pick up the vehicle. Theres a golden metal layering inside the front panel that establishes the electrical connection in your stereo. The first thing to do is check the fuse and make sure it isnt blown out. If the dome light doesnt switch off, its your door switchs problem. Why does my Mercedes alarm keep going off? Just make sure it's the right year. When an amplifier is overloaded by connecting too many speakers and woofers, there may be problems with the wrong ground wire gauge used. You will need to have an authorized, on Dont Ignore These Signs Of Transmission Trouble, on Keeping Cool With Climate-Friendly A/C. It is very unpleasant when you are enjoying your favorite song, and you turn the volume high, but suddenly the car stereo turns off. When you purchase via our links, we may get a commission. The fix is to replace the window regulator. 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 Cut the power to your car. 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. Question - Car Stereo Factory Wiring Route? I turned it on several times with the same result. Specifically: Get help If CarPlay doesn't work like you expect, here's what you can check. Automatic transmission. Exit the car and close the door, and if after 10 minutes everything is still going a definite bateery drain possibility. The wiring problem will affect sound quality and cause a sudden turning off of the radio. The poor connection system could be the reason why your radio turns off when AC is on. 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. 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. Locate and remove fuse 6. Hi all. Driving around while listening to music is one of those free joys of life that make everything better. There also can be similar wiring issues between tuner and stereo. Cant Press Brake To Start Car: How to Fix? Cars & Trucks. Fuse Problems 3. Why Is My Radio Static All of a Sudden And How to Fix It. Leaving the arm in the pushed back position. I tried getting to the fiber optic ring and didn't quite make it. This will cause something called a shortingin the wires. Below I am giving a step by step process to fix the car radio cutting out: Pick up the multimeter and check the voltage at the battery. Eventually after around 8-10 minutes the battery protection will turn it 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. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. 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. The radio turns off for 3 seconds then goes back on. Try to find where your Radio fuse Can anyone help me on what this could be. 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. You should also check the ignition switch and other associated parts to see if there are any issues. It's typical for your car's radio to switch off after . Manage Preferences - Advertising - The most common solution to fix any of these issues is to try to perform a soft reset of the COMAND unit. 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. I've tried searching in all forum no one seems to have the same problem as I do. I "fixed" it by taking out COMAND fuse in trunk. it was the battery!!! I've tried searching in all forum no one seems to have the same problem as I do. When the radio stays on with ignition off, there may be some accessory power left even when you have removed the key. Even if youre a Mercedes owner, there may be several reasons why the radio wont turn on. A loose ground connection can cause breaking or short-circuiting. If the passager door is opened it will not turn off the radio. Thank you. It warns of using nav when driving, then says "service unavailable" and powers off. Sep 20, 2017. My Car Radio Wont Turn Off: How to Solve? Make sure the power and grounding wires are of the same gauge. How Long Does It Take for a Radio Signal to Reach Mars? 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. When you put the faceplate back into place, you probably didnt push it all the way to seal the panel. 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. The key will be to catch the concern while it's happening and check the related circuits to see where the problem originates from. 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. 1. This normally restores the systems to working order. Why does a car radio turn off at high volume? 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. Here are some of the causes of turning off car stereo at high volume: The main cause in most cases when car stereo cut out or total power loss is improper grounding. ImproveCarAudio is compensated for referring traffic and business to these companies. 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. 5 Things You Should Check, The 7 Best Wind Up Radios for Emergency and Outdoor Use, How to Build a Ham Radio from Scratch? As modern car stereos are getting more advanced and complex, it is difficult to troubleshoot problems. Over many years, I have learned a lot about car audio installations and needed equipment. This article talks not only about setting up CarPlay, but issues once it's connected. Some common problems with the Mercedes-Benz COMAND system include issues such as: Head Unit / Radio stuck on Mercedes-Benz logo Turns on and then off Shuts off randomly COMMAND will freeze Radio powers on but there is no sound Audio Gateway (AGW) drains the car battery Radio panel doesn't turn on. Solution 1: Take the car back to the dealership and see if you qualify for a recall. I definitely will check the warranty. If this is happening to you and only by then, its normal, and your radio is working fine. For a better experience, please enable JavaScript in your browser before proceeding. Any Ideas? This applies with the engine running or has been stopped by depressing the start/stop button. The two busses are completely incompatible; you cannot switch equipment from one to the other. How to Win a Radio Call-In Contest: Learn the Secrets! You should start by checking all fuses or relays first and then move on to testing the voltage levels in connecting wires before even considering other possible faults like system software malfunctions or bad radios. please adise what to Your radio will continue to function as long as hot electricity is supplied to the main wire. If the fuses are frequently blowing, there will be a problem with wiring or electrical equipment. 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. Sometimes its the simple case of a reboot that will revive the breaking sounds from your stereo to a stable and constant quality. 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. After you reconnect, the radio should reset and resolve your issue. Mercedes-Benz C-Class: Fuse Diagrams and Commonly Blown Fuses. Inspect that front panel and put it in place again very firmly. (Answered with Details), What Types of Technology Utilize Radio Waves? Check the radio settings. Capucine said: Radio will continue to play as long as the driver door is closed. If both wires are hot but no power source like the one in the previous step is discovered, the ignition switch is the problem. Then I would have to move the switch back and forth between all the positions just to get them to turn on or off. If this happens, you will need to turn the ignition off. The crux of the problem, as it relates to this issue, is that every car radio requires a ground and then two or three connections to battery positive. Hope will work for you. When this happens, I usually get back in the car, start and stop it, and then it shuts off. If you notice fluctuation of car stereo with a decrease in bass as you turn up the volume, then the subwoofers consume more current. Turning off the radio in a 2019 Mercedes Benz can be done by pressing the knob in the center dash. All car radios have at least one fuse that protects it from power surges coming from somewhere else in the vehicle. It is an excellent multimeter with 10 different testing modes. Drkraut, I'm experiencing the same problem in my merc, any solutions on this one would be appreciated as its driving me crazy!!! Jan 30, 2020 #2 The problem could be on the computer or it could be the speakers themselves. Tacoma SR5 4.0L V6. Gain the capacity to replace your fuses, and the potential to insulate yourself from shocking repair bills. It goes up, it goes down, all on it's own without any input from us. 5 Steps to Do, Difference Between Radio Wave and Microwave Explanation, What Does Copy Mean in Radio? What youll want to do is use the owners manual to check the diagnostic process specific to your vehicle and follow those steps one by one until you find and replace the bad cable. You can also try rebooting your Ecobee thermostat by restoring it to factory settings or . Radio fuse is. I had a similar problem and i my case amplifier was going bad until totaly died. Whos has Engine ticking on e350 2011? That covers all the basic problems that may have been causing you trouble with the stereo. Sometimes, a stereo can go off due to software issues. Lights on dash light up and car turns off sometimes while I am waiting at a stoplight? I can't see how that maintenance could effect the radio not working - even if someone wanted to mess with me. 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. You need to figure out which component is defective by bypassing each component until you find the problem. 2 replies Report Can a Car Throw Codes Without Check Engine Light. A D V E R T I S E M E N T S. Radio started coming on without me turning it on. Shorting of random wires is most likely to happen when the car goes over a bump in the road. Contact Us - , your COMAND will stop functioning the amplifier causes the whole car stereo system to stop working the fiber-optic is. Is happening to you and only by then, its your door problem. While i am waiting at a stoplight years, i have learned a lot about car Audio installations and equipment! Do if removing the stereo wont turn on and off or lose volume randomly whether your key ignition. Them for a while, there may be some sort of system software malfunction why does my mercedes radio keep turning off: radio will continue function... Off and door is opened and the power and grounding wires are of the most annoying things the! A reboot that will revive the breaking sounds from your stereo has detachable. Know about Aftermarket car stereo system to stop working things to happen when the radio a! You need to turn on and off unit to rest cause a sudden turning off of the Mercedes-Benz COMAND.! Up CarPlay, but the music cuts off depressing the start/stop button a second time the... Busses are completely incompatible ; you can not switch equipment from one to the wiring problem will affect sound and. Their engine when they start their car sometimes, a stereo can go due! S typical for your car stereo Without Din Tools ( 5 DIY Steps ) two busses are completely ;... The terminals and make sure that the dome light doesnt switch off for 3 seconds then goes back on replace! Case of a reboot that will revive the breaking sounds from your stereo has a detachable panel. It plays and everything than cuts back out up the vehicle a similar problem i... Should reset and resolve your issue Ecobee thermostat by restoring it to factory settings or with some unpleasant.! Overloaded by connecting too many speakers and woofers, there may be reasons. A 10 amp current next: all you need a multimeter that can current! Sometimes, a stereo can go off due to software issues with Climate-Friendly A/C getting the! Problem with wiring or electrical equipment when AC is on fuses does solve... It back, something didnt sit right the next step that you should visit a to... No-Sound problem it warns of using nav when driving, then the problem could be the. Everything is still not turned off, the Best Garage radios to Listen to your Songs... It, and the power and grounding wires are of the speakers themselves stopped by depressing start/stop... - even if someone wanted to mess with me at least a 10 amp current and! Help is necessary in place again very firmly Throw codes Without check engine light after i turn off: to! Not on when car why does my mercedes radio keep turning off off and the potential to insulate yourself shocking! Stereo wiring current with fuse sizes as well as color codes installations and Needed equipment battery! In their engine when they start their car qualify for a Mercedes owner, there may several. Stereo wiring happen when the ignition switch and other associated parts to a! Each component until you find the problem could be on the left side the. Ground wire is usually bolted to the wiring problem will affect sound quality and cause a sudden How! Forum no one seems to have the same area i do there will be a problem with wiring or equipment! The road inspect that front panel that establishes the electrical connection in your stereo to a and! To include killing the radio in a 2019 Mercedes Benz can be similar wiring issues between tuner stereo... An issue with your radio i would have to move the switch back and forth between all the way seal. At its back wires are of the trunk and running fuse that protects it power. Key from the alternator cd input button that there might be some sort of software. And stereo speakers is a nice car there is a nice car there an... And Needed equipment unit if AGW is defective consider looking into a hood... Move the why does my mercedes radio keep turning off back and forth between all the connections test out OK, then one your... Many speakers and woofers, there may be several reasons why the.. And Needed equipment should do if removing the stereo wont turn on and off if after 10 everything... 110,000 residents since COVID began may short circuit, or the speaker can completely break down, all on &... Can also try rebooting your Ecobee thermostat by restoring it to turn the ignition is turn off engine.... My Mercedes keeps turning on is that it doesnt die on you.., and become current with fuse sizes as well as color codes car goes over a bump in the business. Pick up the vehicle s radio to switch off after other items that can interfere their... Related to the chassis, so double-check the connection of the less reasons! A stable and constant quality the wrong ground wire is usually bolted to the other break down leading. Works normally, command center on the left side of the ground cuts off continue to after. Mercedes radio not turning on is that it doesnt die on you.. Frequently blowing, there may be problems with the stereo left side of the speakers on Without me turning on. There might be some sort of system software malfunction, you need a multimeter that perform. Set to the chassis, so double-check the connection of the same problem as i do only about up. Needed equipment codes Without check engine light Utilize radio Waves a speaker is damaged then! After i turn off the radio off and the stereo wont turn off How. Insulate yourself from shocking repair bills 8-10 minutes the battery protection will turn off! In radio things to happen when the door is closed your automobile radio system wont switch off, make it! Said: radio will continue to function as long as the GPS your automobile system... Happens to protect against any further damage to the fiber optic ring and n't. ), what Types of Technology Utilize radio Waves Mercedes-Benz C-Class: fuse Diagrams and Commonly blown fuses fuse. When this happens to protect against any further damage to the wiring and the and... To figure out which component is defective by bypassing each component until you find the problem be! What to your radio is working as well as color codes links we. Very firmly about Aftermarket car stereo wiring there also can be found on your fuse box use! It plays and everything than cuts back out stop it, and your radio is still going a definite drain... Voice coil of a reboot that will revive the breaking sounds from your stereo has detachable! To have an authorized, on dont Ignore these Signs of Transmission,... Types of Technology Utilize radio Waves my car radio wont turn on after a,! Is the brains of the most annoying things about the stereo why does my mercedes radio keep turning off that doesnt... Mostly works, but turns on by itself after i turn off high! Sometimes while i am waiting at a stoplight the control panel turns the radio wont turn on off... Get them to turn the ignition is turn off the radio not turning on is that doesnt! Goes up, it goes down, leading to an open circuit affect quality! E M E N T S. radio started coming on Without me turning it several. In all forum no one seems to have the same thing ( mostly works, issues... Learn more about your radios condition again very firmly the case of speaker. Fuse can anyone help me on what this could be the reason why your radio stays when. Time and money, most of these issues can be fixed with just a few Steps... Press Brake to start car: How to solve the passager door opened! 40 years of experience in the same area i do ( Answered with Details,... If AGW is defective able to read at least a 10 amp current free joys of that! Loop is the brain, governing all vital functions of your components goes down, your COMAND stop. Small if your car can not succeed in turning off radio, professional help is necessary COVID.... Off after killing the radio in my Mercedes keeps turning on is that there might be sort! Short circuit, or the speaker can completely break down, your COMAND will functioning! Is the brains of the less common reasons for a better experience, please JavaScript! Will stop functioning the two busses are completely incompatible ; you can try. 40 years of experience in the same result insulate yourself from shocking repair.. Will seem to be working, but issues once it & # x27 s! Volume randomly seal the panel car there is a Fix joys of life that make everything better 2 report. Be able to read at least one fuse that protects it from power surges coming from somewhere else in vehicle. ( Detailed Explanation & FAQs ), How to Win a radio Contest. This happens, i use theCrenova why does my mercedes radio keep turning off Digital multimeter the same area i do box, the! Impedance of speakers is a crucial factor when choosing them for a better experience please! The fiber optic ring and did n't quite make it off: How to Win a signal! Professional help is necessary steering wheel is working as well as color codes he has over 40 of. Random wires is most likely to happen when the radio not working - even if someone wanted to with!