After each step, try using CarPlay again. They emit a high-pitched tone when the car is off but the automatic headlight timer is keeping the lights on to help you see where you are walking. This amplifier will strengthen the antennas signal and solve the cutting out issue in the obstruction areas. Cookie Policy - Check the radio settings. You need to figure out which component is defective by bypassing each component until you find the problem. Save my name, email, and website in this browser for the next time I comment. But if you power off the radio first and it keeps switching to different preset channels, the radio's memory is defective. Learn more. If the fuse in your Mercedes is blown out, it wont be able to turn on. 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. I unplugged the battery over night and plug it back in the am still the same problem. If your car stereo is newly installed and turns off at a higher volume, there will be installation errors. Sometimes, a stereo can go off due to software issues. Sometimes a loose connection somewhere in between the battery and the head unit will cause the system to stop working altogether. Locate and remove fuse 6. You can use a multimeter to check if the wiring is shorted properly at the connector. This happens more often in cold-weather locations. suspension bouncing cables on battery terminal too. Your stereo has been reset. As an Amazon Associate, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this article. If the voltage at the battery side looks good, then there may be a grounding problem. If both wires are hot but no power source like the one in the previous step is discovered, the ignition switch is the problem. Stereo will seem to be working, but the music cuts off. 49f41b82-719b-44c1-92be-d3ed7dbfad09 (1).jpg, Do Not Sell or Share My Personal Information. I find that depressing the ON button on the control panel turns the radio off and the screen goes black. Jan 30, 2020 #2 The problem could be on the computer or it could be the speakers themselves. If you shut off the car's engine without first powering off the radio, the radio will revert to Channel 1. If youre looking to replace the radio yourself, there are a few different models that will fit in your Mercedes. Simple and inexpensive fix all of your combined Car audio systems have been my hobby for a long time. The wiring problem will affect sound quality and cause a sudden turning off of the radio. Turning the engine off by depressing the start/stop button and then opening the driver door will turn the radio off. There is an arm in/on the left side of the disc player. 500 kilometer the engine is strong and have lot of power . Mine does the same thing (mostly works, but turns on by itself after I turn off engine). Eventually a bump in the road would turn my headlights off. Some people have reported that after drying out everything went back to normal. 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. Gave it to my mechanic yesterday the head unit and the amp. The entire infotainment system of vehicles can reset once you've switched the engine off. Make sure that Siri is turned on. For a better experience, please enable JavaScript in your browser before proceeding. please adise what to When the siren batteries fail, it can cause the alarm to go off. 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 of Where do I begin in gaining access to the rear light on my E Class. As a result, you must consult the wiring diagram to verify correctness. You need to figure out which component is defective by bypassing each component until you find the problem. 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. 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. Thanks!! Using its electric steering, adaptive cruise control, and lane-keeping assist, the E-Class will change lanes by itself once the turn signal has been activated for 2 seconds. Solution 2: Disable the touch option permanently by removing the ribbon that connects to the screen (a bit of disassembly is needed) 2. Test the voltage at the battery and see what it is doing at the high base and cutting radio. The poor connection system could be the reason why your radio turns off when AC is on. Thank you for yr prompt replies.What I have not told u that prior to this I had changed a new battery. Make sure the power and grounding wires are of the same gauge. It is frustrating when you are on a journey, and your car radio keeps cutting out. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I had a similar problem with the headlights turning on and off randomly. It depends on the headlight technology your vehicle comes equipped with. How Many Vibrations Per Second Are Associated With a 101-mhz Radio Wave? Each of these could be a good sign that your car radio is not working properly. Generally, a car stereo is the brain, governing all vital functions of Your car's system. When the key is set to the inactive status, establish whether or not the accessorys power source is available. When one of your components goes down, your COMAND will stop functioning. But if the alternator is not properly connected to the battery, it will not charge the battery. Some car radios have a timer, so they don't automatically shut off when the vehicle is turned off. Read Next: All You Need To Know About Aftermarket Car Stereo Wiring. I have a problem with my 04 S55 with the radio. Save my name, email, and website in this browser for the next time I comment. Power wires have loose connections from the alternator side. One school of thought is a common ground that might be intermittently losing contact. You may want to check the terminals and make sure they are in good working order. To actually turn off Bluetooth or Wi-Fi, you have to go into the Settings app and do it there. The first thing to do is check the fuse and make sure it isnt blown out. 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. ALSO SEE: Mercedes . Some times kids put coins in there also. Mercedes radios can be difficult to work with. 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. This article talks not only about setting up CarPlay, but issues once it's connected. This part is what keeps the belt tense as it runs all of the engine accessories. It could also be your placement of them. This happens to protect against any further damage to the system as a whole. This runs in order with a lot of wiring to other accessories, and may cause the others to fail. When this happens, consider looking into a defective hood latch connection. Q. I have a Buick Cascada convertible, which I really like. If thats the case, the key can be removed while the switch has not been moved to the off position. A Detailed Guide, The Best Garage Radios to Listen to Your Favorite Songs in Workshop. This normally restores the systems to working order. A failed relay can mean the wipers won't work at all, or they may continue to work even when turned off. Why Is My Radio Static All of a Sudden And How to Fix It. I've tried searching in all forum no one seems to have the same problem as I do. BTW fiber optic is connector with two orange wires. This article will provide you with some necessary information as well as valuable tips on how to deal with this frustrating problem. While this kind of problem seldom happens, do not make the mistake of disregarding it. (Hint: Check fuses.) In case your problem has persisted following the installation of your aftermarket components, its possible that your wiring is faulty. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. Dec 14, 2015 . If all the connections test out OK, then the problem is internal to the deck. This also causes cutoffs in the sound system and produces noise. 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. The most obvious . I took the radio off the dashboard still the connector on and I was pressing the buttons on both sides with my palm hands at once and got it to turn on but when it did nothing would work I heard sound of a radio channel but only was able to change channels from the steering wheel. The radio was fine right before I brought the car into Midas for 4 new tires. Corrosion at the grounding point, poor soldering can also be possible reasons for a radio connection failure. It means when you tap to power Bluetooth or Wi-Fi down in the new Control Center, it doesn't shut them off completely. 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. There are two reasons your head unit might be experiencing power cuts. To put your car in accessory mode, press the start/stop button a second time. Change the siren batteries or replace the siren itself if found defective. I got 3 Mercedes all with the same problem . Sometimes any input or output issue present in either the head unit or the amplifier causes the whole car stereo system to stop working. The most likely reason for your radio's sudden death is a blown fuse. Cars & Trucks. The key will be to catch the concern while it's happening and check the related circuits to see where the problem originates from. If the stereo still keeps turning on and off, then move onto the solutions listed below. The car was parked at the dealership for long time and had to be jumped started can a new battery fix the problem? Might be some other device in fiber optic ring. Take out the key from the ignition and dont turn on the car for at least 15 minutes. If this happens, you will need to turn the ignition off. A vehicle radio usually has a ground wire as well as two power cables. The most typical source of this issue is improperly connected equipment, so start with your aftermarket radio. 6 Answers 640 Mine won't need all that I hope. 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? However, with a poor stereo system in the car, this can be a very frustrating experience. 5 Steps to Do, Difference Between Radio Wave and Microwave Explanation, What Does Copy Mean in Radio? I have participated in one focusing on the R/C107 - it was near Orlando, a really fun event among participants in that BW forum. (with Car Stereo Tips), Copyright 2023 Improvecaraudio.com | Wisteria on Trellis Framework by Mediavine. It goes up, it goes down, all on it's own without any input from us. Hope will work for you. It handles well, and its just the right size for me. If the radio continues to function for a while, there is clearly an issue with your radio. Happened a few times then it starting turning off without . 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. Contact Us today to get our latest special offers. They may look somewhat similar, both with wide screens - but the '03 is for the D2B fiber optic bus, and the '04-'06 is for the MOST bus that your car has. You should also check the ignition switch and other associated parts to see if there are any issues. A friend told me maybe the fuse is out but if it isthe radio won't be unable to switch on at all. It sound exactly same as mine. 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? An amplifier is overpowered or not grounded properly, or it is. minutes and want change stations. 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. Pry the side cover, look for fuse 26 and 28 and remove both fuses. According to a technical service bulletin issued by General Motors, the issue is a defect in the power window motor control circuit board. A loose ground connection can cause breaking or short-circuiting. If the antenna on your Mercedes is not working, it might be the reason why you are having problems with your radio. Command Center and finding that my positive Thank you. Check the cables and make sure they are tight and properly connected. Oh, the '03 and '04-'06 COMANDs are VERY different. The car was parked at the dealership for long time and had to be jumped started can a new battery fix the problem? Next time this happens, put the key . Is there a simple fix/reset? 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 . 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. This should clear out any system lag or malfunction and make the car radio work again like normal on the Mercedes. Shorting of random wires is most likely to happen when the car goes over a bump in the road. The wiring problem will affect sound quality and cause a sudden turning off of the radio. When I turn off the car, the radio comes on and stays on until I open the door. Heres what you should look for: lack of range, no vibration, rattling and popping sounds. 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. 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. If we read more. He has over 40 years of experience in the automotive business and is an ASE certified master technician. But now even with the fuse out the MB star goes on and off (enough to drain battery over night). Do Not Sell or Share My Personal Information, my stereo shuts off every 30 minutes while i am driving the 2008 e-350. If you choose the right components and properly install a car stereo, you can avoid this problem. ideas came together and I fixed it myself solid! If the dome light doesnt switch off, its your door switchs problem. Whos has Engine ticking on e350 2011? Check with dealer , may be a software update that could affect the system.Warranty? Afterward, you should check to see whether the stereo has switched off after several minutes. Fuse Issues May Be the Problem 3. it was the battery!!! Well also discuss why Mercedes radios sometimes dont turn on at all and what you can do about it! The radio turns off for 3 seconds then goes back on. Ignition 4. 30,558 satisfied customers. If this happens repeatedly, a professional Mercedes Benz repairtechnician or mechanic can help check any updates for your COMAND / navigation unit. This normally restores the systems to working order. Reconnecting the loose cable or replacing a bad power wire should solve the issue here. i fixed it by buying a used COMAND unit on ebay; sevral are always offered for about $300-350. In older car stereos, this problem is mainly caused by improper wiring or grounding. Radio works normally, command center on the steering wheel is working as well as the GPS. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? The second thing you can do to solve this problem is to contact a trusted expert. Check the connectors and see if they are tightly connected. The impedance of speakers is a crucial factor when choosing them for a car stereo. Did you get a good deal? How Does HD Radio Work? These connections to the instrument cluster also can come loose. It looks like you're new here. Sometimes everything would shut off, sometimes not. 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. 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. I turned it on several times with the same result. But if not you have to find which one is bad and just replace it. That covers all the basic problems that may have been causing you trouble with the stereo. Overheating. I could only get it loose and was afraid of breaking the left side piece that seemed stuck toward the front. Use a multimeter to check the voltage in the input wires to see if there is any problem with any of them. This will cause something called a shortingin the wires. 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