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. It sound exactly same as mine. is located and replace it first, In this article, I will show you the possible causes of car radio failure and how to solve them. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. Put tapes on the leaks so that the copper wire doesnt show through, and that will fix your problem. I "fixed" it by taking out COMAND fuse in trunk. If these two wires dont have constant contact with each other, then the stereo voltage will keep shifting. Some times kids put coins in there also. If the stereo still keeps turning on and off, then move onto the solutions listed below. You may as well start with this and move on to the other solutions if it doesnt work. The idea of touching fiber optic ring seems intimidating. Check with dealer , may be a software update that could affect the system.Warranty? Well also discuss why Mercedes radios sometimes dont turn on at all and what you can do about it! 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. 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. Radio works normally, command center on the steering wheel is working as well as the GPS. The radio turns off for 3 seconds then goes back on. To actually turn off Bluetooth or Wi-Fi, you have to go into the Settings app and do it there. This problem is related to the wiring and the capacity of the speakers. ImproveCarAudio 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. 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. How Long Does It Take for a Radio Signal to Reach Mars? Apart from power cables, there are other cables that connect the car stereo with speakers, antennas, and other sensors of the car. runs about 2-3 mins and start an idle rough . Hi all just an update of whats going on. St.Hubbins. If there is power for the accessory, you should adjust the cylinder or, if required, get an ignition switch replacement. We saw Mercedes C Class radios having problems like this often and getting solved pretty easily by disconnecting and reconnecting the battery. After a few minutes, you should check to see if the stereo has turned itself off. 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. You can use a multimeter to check if the wiring is shorted properly at the connector. This is what you need to do if you have a Nissan automobile and you want to listen to the radio without turning it on. Fault in Your Car's Head Unit 4. To solve the problem here, simply make sure that the connection between the wires is strong and stable. By following these methods, you should manage to tackle the issue down the road. 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? Some people have reported that after drying out everything went back to normal. Faceplate Question, Do Not Sell or Share My Personal Information. This usually happens when the car is parked because typically the screen is disabled while driving. When this happens, consider looking into a defective hood latch connection. There also can be similar wiring issues between tuner and stereo. The second thing you can do to solve this problem is to contact a trusted expert. Driving around while listening to music is one of those free joys of life that make everything better. For this, you have to remove the stereo carefully. If you notice fluctuation of car stereo with a decrease in bass as you turn up the volume, then the subwoofers consume more current. 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. good luck! Here are some potential signs that signal this problem and some basic troubleshooting techniques you can try. 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. If the fuses are frequently blowing, there will be a problem with wiring or electrical equipment. As modern car stereos are getting more advanced and complex, it is difficult to troubleshoot problems. A. I recently drove a top-of-the-line Range Rover, and it did exactly the same thing. Does the ignition switch go out often on '09 E350? 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. That is when the wires that generally dont touch will come into contact. Can a Car Throw Codes Without Check Engine Light. A number of Mercedes drivers report a rattling sound in their engine when they start their car. Question - Car Stereo Factory Wiring Route? Your automobile radio system won't switch off for a variety of reasons. Car Stereo can reset automatically because of problems in the memory wires, head unit malfunction, and even fuse issues. Why does my Mercedes alarm keep going off? Here are those with their fixes-. The most obvious . How Many Vibrations Per Second Are Associated With a 101-mhz Radio Wave? Are you having trouble with a non-working radio on your Mercedes-Benz? No warning, no messages, everything else seems fine. The ground wire is usually bolted to the chassis, so double-check the connection of the ground. Gain the capacity to replace your fuses, and the potential to insulate yourself from shocking repair bills. Make sure that both the grounding and power wires are of the same gauge. When the tensioner was replaced the problem went away. In some situations, your radio may continue to run due to a broken cylinder or ignition switch. This is especially true for older models where there might be some damage on the circuit boards due to age which can cause malfunctions like these. 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. 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. You need to figure out which component is defective by bypassing each component until you find the problem. 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. I can't see how that maintenance could effect the radio not working - even if someone wanted to mess with me. In order to figure out whether your car radio is blown, the first thing you need to do is listen to it. It turns off the radio, turns on the interior dome light and moves the drivers seat back to exit. Locate your fuse boxes, and become current with fuse sizes as well as color codes. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. ideas came together and I fixed it myself solid! Doing a soft reset for these systems will force the head unit to rest. Just make sure it's the right year. This also causes cutoffs in the sound system and produces noise. Lets find out. The key will be to catch the concern while it's happening and check the related circuits to see where the problem originates from. 1,500 miles. 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. 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. 1. 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. Which of the Following Will Help Improve Radio Communications? While stopping at a stoplight my dash lights come on and This part is what keeps the belt tense as it runs all of the engine accessories. suspension bouncing cables on battery terminal too. As he is known on the street, Drew was a premiere car thief for the Nicky Corazzo crew in Brooklyn. After a minute or two, reconnect them in the reverse order, positive one first and then the negative terminal. Try to find where your Radio fuse If this happens, you will need to turn the ignition off. 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). Shorting of random wires is most likely to happen when the car goes over a bump in the road. do . Why Does My Car Stereo Keep Resetting? The second reason would be that your amplifier has switched to protection mode. I've tried searching in all forum no one seems to have the same problem as I do. If the voice coil of a speaker is damaged, then one of two cases can happen. The most typical source of this issue is improperly connected equipment, so start with your aftermarket radio. you a print out showing where the If the fuse in your Mercedes is blown out, it wont be able to turn on. The cause of this common problem is usually the car's belt tensioner. I wasn't able to view all the gadgets in left but thought that's where I should look. It does . Hi, I'm Martin, and Welcome to ImproveCarAudio. The fiber optic cables are used to transmit the sound signal of your Mercedes-Benz between the different units for better sound quality and faster transfer rates. Automatic transmission. Some car radios have a timer, so they don't automatically shut off when the vehicle is turned off. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. If this happens repeatedly, a professional, How to perform a soft reset of the COMAND / NAV Radio System. Cars & Trucks. Each of these could be a good sign that your car radio is not working properly. 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