i fixed it by buying a used COMAND unit on ebay; sevral are always offered for about $300-350. This will cause something called a shortingin the wires. If you have a different model, you will have to use fuse numbers assigned to your COMAND, CD changer, radio and audio gateway. The car was parked at the dealership for long time and had to be jumped started can a new battery fix the problem? If the voice coil of a speaker is damaged, then one of two cases can happen. 30,558 satisfied customers. 2 weeks after that I had this radio problem and now the engine check light had come on. How to Win a Radio Call-In Contest: Learn the Secrets! Email your car question to [emailprotected]. Ignition 4. (Hint: Check fuses.) Check the radio settings. Some times kids put coins in there also. Stereo will usually start and restart itself later. ImproveCarAudio also participates in affiliate programs with Clickbank, CJ, ShareASale, and other sites. Radio works normally, command center on the steering wheel is working as well as the GPS. An amplifier is overpowered or not grounded properly, or it is. 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. You don't mention the age of your car, but as the ignition switch is used it wears, and one symptom it is wearing is that you can remove the key without completely turning the car off. will look up its lactation & can give Sometimes, a stereo can go off due to software issues. T burning oil i change pcv valve spark plugs but still i had to ad 1 liter after every How can you test the various devices in the optic ring? The following errors occurred with your submission. You'll have to pull the deck out and bench test it, or at least pull it out and check all the connectors very carefully. It could also be your placement of them. Tacoma SR5 4.0L V6. To eliminate this problem, you can install aSignal Booster Amplifier. Check with dealer , may be a software update that could affect the system.Warranty? Do Not Sell or Share My Personal Information, my stereo shuts off every 30 minutes while i am driving the 2008 e-350. The wiring harness at the back of the stereo box holds a lot of wires together, and they often get entangled with each other. We have noticed it mostly in cars with expensive optional lights. do . I hope this fixes your problem. Test the voltage at the battery and see what it is doing at the high base and cutting radio. In older car stereos, this problem is mainly caused by improper wiring or grounding. So I turned the key to off and back to ALT .. everything works fine again. 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. 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. 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. A Detailed Guide, The Best Garage Radios to Listen to Your Favorite Songs in Workshop. This normally restores the systems to working order. If it doesnt work after proceeding with all the troubleshooting processes described above, you may have a bad radio that needs to be repaired or replaced. The second fuse box may be on the left side of the trunk. 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. Gave it to my mechanic yesterday the head unit and the amp. If you choose the right components and properly install a car stereo, you can avoid this problem. Cant Press Brake To Start Car: How to Fix? Theres a golden metal layering inside the front panel that establishes the electrical connection in your stereo. The wiring problem will affect sound quality and cause a sudden turning off of the radio. A. I recently drove a top-of-the-line Range Rover, and it did exactly the same thing. Only happens when listening to radio, not CD player or DVD player. Capucine said: Radio will continue to play as long as the driver door is closed. Some vehicle radios are set on a timer, so they don't turn off right away. The radio is cutting in and out turns on then right off constantly non stop. 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. Mine won't need all that I hope. Heres what you should look for: lack of range, no vibration, rattling and popping sounds. ALSO SEE: Mercedes . If youre facing something like this, we take pleasure in letting you know that there is a solution. Eventually a bump in the road would turn my headlights off. 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. Be sure to come back and share! Terms of Service - As I drive the car the radio constantly reboot and switch on in every 2 minutes. And nothing sours that happiness. A defective electrical system, Control Unit or a fault on the CAN Bus (Controller Area Network) are also causes that can cause your Mercedes-Battery battery to die. Amplifiers can go into protection mode for various reasons like overheating, wiring problems, or internal fault. After four years working as a radio mechanic, I know that everything about radio communication is not breezy, even though it greatly benefits us. Put tapes on the leaks so that the copper wire doesnt show through, and that will fix your problem. Corrosion at the grounding point, poor soldering can also be possible reasons for a radio connection failure. I got 3 Mercedes all with the same problem . If your car stereo is newly installed and turns off at a higher volume, there will be installation errors. It can affect the sound quality and also causes the radio to cut off. What is the cause of this? It could be anything from a wiring error to a malfunctioning head unit. How do I know if my transmission was before or after 9/3/2008? Not all new cars make this sound. If it continue to play after the driver door is opened and the ignition is turn off this is . Poof. Next time this happens, put the key . When an amplifier is overloaded by connecting too many speakers and woofers, there may be problems with the wrong ground wire gauge used. If that doesnt help then it may be any other issue. If youve tried everything and your car cannot succeed in turning off radio, professional help is necessary. Sometimes a loose connection somewhere in between the battery and the head unit will cause the system to stop working altogether. Thank you for yr prompt replies.What I have not told u that prior to this I had changed a new battery. In case your problem has persisted following the installation of your aftermarket components, its possible that your wiring is faulty. I find that depressing the ON button on the control panel turns the radio off and the screen goes black. Your automobile radio system won't switch off for a variety of reasons. 2) Bright sunlight into the system, or bright reflections at the front of the car, will cause this issue. 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 . When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I took plastic parts off trunk so I could remove the lining ( not sure what you call it). As an Amazon Associate I earn from qualifying purchases. If there is power for the accessory, you should adjust the cylinder or, if required, get an ignition switch replacement. Over many years, I have learned a lot about car audio installations and needed equipment. It does . Why is this happening? In the case of your Cascada and I agree it is a nice car there is a fix. Why Is My Radio Static All of a Sudden And How to Fix It. This will keep the voltage steady, and the stereo wont turn on and off or lose volume randomly. 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. The fix is to replace the window regulator. 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. Changing the wiper relay is the easiest approach and it might solve your problem. For you to do that, you will need to remove the fuses for the CD Changer, COMAND/ NAV / DVD Player / Radio, Audio Gateway AGW, and the Voice Unit if it is equipped with one, for at least 10 minutes. Content will be removed if CarGurus becomes aware that it violates our policies. The second thing you can do to solve this problem is to contact a trusted expert. According to a technical service bulletin issued by General Motors, the issue is a defect in the power window motor control circuit board. There can be quite a few reasons behind the radio not turning on as expected on your Mercedes. I tried getting to the fiber optic ring and didn't quite make it. Mercedes-Benz Sedan / Coupe / Wagon Forums. Be sure to come back and share!Edmunds Moderator. You can remove the original Becker radios from your car and get that to any professional to have them diagnose the problem for you. Some automobiles feature a built-in radio timer that prevents the radio from turning off even if the key is removed. Dont Ignore These Signs Of Transmission Trouble. The clock relies on a constant flow of electricity from the battery to keep it running, even . If all the connections test out OK, then the problem is internal to the deck. 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. Chances are the symptoms may return. What Causes Error CODE C249F or the Brakes Defective Stop Vehicle Error? I "fixed" it by taking out COMAND fuse in trunk. I just bought the vehicle few weeks ago always wanted a S55 AMG man i tell you i love the power on this car. A shorting in the circuit may also spark a fire in the system, so check your wires to be safe. 3 Mercedes: same problem..car start..3 mins and start an idle rough. Just make sure that you get one that is compatible with your cars system. 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. Windupradio.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. 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. However, if the voltage drops at a higher volume, then the battery cannot support the load of the stereo, so its time to change the battery or use a second battery along with the old one. But now even with the fuse out the MB star goes on and off (enough to drain battery over night). Cheers. 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. Q. I have a Buick Cascada convertible, which I really like. The Fora platform includes forum software by XenForo. Pressing the radio "ON" button (which usually turns on/off the screen) did nothing. 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. 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. minutes and want change stations. 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? Did you get a good deal? 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. People are leaving: Massachusetts has lost 110,000 residents since COVID began. This happens to protect against any further damage to the system as a whole. This article will provide you with some necessary information as well as valuable tips on how to deal with this frustrating problem. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? Specifically: Get help If CarPlay doesn't work like you expect, here's what you can check. How Do I replace the rear brake light on my 2008 E 350. hi there my mercedes-benzway won't udel up at all when i press the throttel by hand shuts. There is an arm in/on the left side of the disc player. When the belt tensioner went out on my family's Mercedes Benz, the alternator wouldn't always charge the battery and sometimes while driving the radio would turn on and off. 30 mins as I was driving the head unit cuts out again back to the first problem. Aug 14, 2014 . Do it while the stereo has an active power supply to it. Wiper relays usually cost less than $20. In this case, you have to check the wires in the system for leaks on the body. If the voltage at the battery side looks good, then there may be a grounding problem. Posted on Published: July 22, 2021- Last updated: May 6, 2022. Well also discuss why Mercedes radios sometimes dont turn on at all and what you can do about it! If your radio turns on, but you don't get any sound from the speakers, there are a whole lot of different potential culprits. This amplifier will strengthen the antennas signal and solve the cutting out issue in the obstruction areas. 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. Know the Root Causes Here! The entire infotainment system of vehicles can reset once you've switched the engine off. The battery in your alarm siren can go bad causing alarm to go off. The cause of this common problem is usually the car's belt tensioner. Check the connectors and see if they are tightly connected. 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