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? The Fora platform includes forum software by XenForo. Why is the Height of a VHF Radio Antenna Important? Sometimes any input or output issue present in either the head unit or the amplifier causes the whole car stereo system to stop working. 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. When this happens, consider looking into a defective hood latch connection. You just saved me $900 that dealer said I had to replace AGW. Are you having trouble with a non-working radio on your Mercedes-Benz? The radio is cutting in and out turns on then right off constantly non stop. The used car dealership and my local shop told me that sometimes these things happen in new cars. 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. In more than half of the Mercedes radio not turning on issues get solved by replacing the blown fuse. 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. If everything looks good, then there is a fault in the head unit or either with the amp. ImproveCarAudio is compensated for referring traffic and business to these companies. Ignition 4. Take out the key from the ignition and dont turn on the car for at least 15 minutes. 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. I would bet on amplifier in your case. Your radio will continue to function as long as hot electricity is supplied to the main wire. Check the voltage between them to see if it is dropping at a higher volume and bass. Or a common module that could be malfunctioning. 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. Not all new cars make this sound. Which of the Following Will Help Improve Radio Communications? (Hint: Check fuses.) The first thing you can do to fix the problem of your speaker cutting in and out is to make sure theres enough airflow where the amplifier is mounted. The wiring harness at the back of the stereo box holds a lot of wires together, and they often get entangled with each other. Contact Us - All Rights Reserved. 2023 MotoristCare.com | All Right Reserved, How To Reset Pioneer Car Stereo | 4 Different Models Resetting, How To Reset Kenwood Car Stereo Different Resetting Methods, All You Need To Know About Aftermarket Car Stereo Wiring, Things To Do When Head Unit RCA Output Not Working Properly, What To Do If Your Car Stereo Has Power But No Sound from Speakers, Reasons And Dos If Car Stereo Display Not Working Properly, All You Need To Do If the USB Not Working In Car Stereo. It happens once in a while. 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. Here are some observations: Only happens when the car is in motion, at a stand-still it is fine. Escape Titainium. (Answered with Details), What Types of Technology Utilize Radio Waves? Wire Shorting Overheating. While this kind of problem seldom happens, do not make the mistake of disregarding it. Sometimes everything would shut off, sometimes not. Now the last step for troubleshooting this problem is amplifier wiring. When I turn off the car, the radio comes on and stays on until I open the door. But if not you have to find which one is bad and just replace it. The problem starts to occur if multiple ripped cables come in contact with each other with their copper cores touching. 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. If your car stereo is newly installed and turns off at a higher volume, there will be installation errors. Check the connectors and see if they are tightly connected. 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. Thanks - I am bringing it in, but was hoping for a quick solution. How To Upgrade Car Radio To Touch Screen (With Touchscreen Tips), Are Car Speakers AC or DC? 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. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? Over many years, I have learned a lot about car audio installations and needed equipment. Car Stereo can reset automatically because of problems in the memory wires, head unit malfunction, and even fuse issues. Tacoma SR5 4.0L V6. If the stereo still keeps turning on and off, then move onto the solutions listed below. Mercedes radios can be difficult to work with. If this happens, you will need to turn the ignition off. 1. 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. If all the connections test out OK, then the problem is internal to the deck. 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. A failed relay can mean the wipers won't work at all, or they may continue to work even when turned off. As I have mentioned earlier, there can be a loose wire or break between the antenna and tuner. Cookie Policy - When your radio stays on when car is off and door is open, you may have to deal with some unpleasant repercussions. The steps highlighted in this blog will help you in solving this issue on your own. These connections to the instrument cluster also can come loose. 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. 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. 6 Answers 640 you a print out showing where the 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. Power Issues and Engine Cranking 5. As he is known on the street, Drew was a premiere car thief for the Nicky Corazzo crew in Brooklyn. Push the start/stop button once to bring your vehicle to a halt. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Laguna Niguel, CA 92677 I'm guessing this was intentional to let the driver know that the electrical is still available after shutting off the car, in case you want to close the windows. You guys Rock between pulling fuses for an hour I turned it on several times with the same result. When will I know its time to change my cars brakes? Know the Root Causes Here! This part is what keeps the belt tense as it runs all of the engine accessories. If there are other items that can interfere with their. Windupradio is supported by its audience. Trace the black wire. Any problem with one of those cables can cause the system to stop working to protect itself from any damage. When you put it back, something didnt sit right. 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. Gain the capacity to replace your fuses, and the potential to insulate yourself from shocking repair bills. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. Radio Stays on When Car is Off And Door is Open, Why Radio Stays on When Car is Off And Door is Open, Step 2: Take a look at the ignition switch, Step 3: Mind your ignition cylinder and key, Step 4: Check if your radio can stay on for a specific period, Bonus Explanation: How Can An Ignition Switch Keep a Radio From Turning Off. Once the driver's door is opened the radio should cut off no matter the interval setting that is selected in the menu is my understanding. Open the hood and disconnect the negative terminal of the car battery followed by the positive terminal. The radio turns off for 3 seconds then goes back on. Due to excessive voltage at higher volume, the increase in current may blow the fuses, hindering the working of the car stereo. In the case of your Cascada and I agree it is a nice car there is a fix. If the voice coil of a speaker is damaged, then one of two cases can happen. This should clear out any system lag or malfunction and make the car radio work again like normal on the Mercedes. Memory Wire Has Suffered a Malfunction 2. Eventually a bump in the road would turn my headlights off. 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. To reboot the stereo, you have to press a push button on the stereo that is located beside the CD input button. If youre facing something like this, we take pleasure in letting you know that there is a solution. 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. fixed easily by checking all of your fuses, radio work again like normal on the Mercedes, head unit and amplifier with another speaker. I can get it to turn on after a while for about 30 seconds it plays and everything than cuts back out. After four years working as a radio mechanic, I know that everything about radio communication is not breezy, even though it greatly benefits us. Locate and remove fuse 6. Stereo will seem to be working, but the music cuts off. Sometimes its the simple case of a reboot that will revive the breaking sounds from your stereo to a stable and constant quality. The car is off but the radio continues to play. is located and replace it first, 90 Seconds later, I see "COMAND SHUTTING DOWN" on the screen. This problem is related to the wiring and the capacity of the speakers. The first thing you should do when your radio stops working is check its fuses and replace any that have blown. Check the radio settings. Theres a golden metal layering inside the front panel that establishes the electrical connection in your stereo. After removing the stereo, you will find a bunch of wires at its back. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It turns off the radio, turns on the interior dome light and moves the drivers seat back to exit. 25,720 miles. Hi all just an update of whats going on. Read Next: All You Need To Know About Aftermarket Car Stereo Wiring. Good luck. If this happens repeatedly, a professional Mercedes Benz repairtechnician or mechanic can help check any updates for your COMAND / navigation unit. I have a problem with my 04 S55 with the radio. 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. 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. How can you test the various devices in the optic ring? Especially if they suddenly appear. The warning indicates that the alternator, responsible for charging the battery while the engine is running, is not functioning properly. That is normal. 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. 04 S55 with the amp will revive the breaking sounds from your stereo 30 seconds it and... 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