is located and replace it first, ImproveCarAudio is compensated for referring traffic and business to these companies. And then it shuts off . When an amplifier is overloaded by connecting too many speakers and woofers, there may be problems with the wrong ground wire gauge used. The Fora platform includes forum software by XenForo. I tried getting to the fiber optic ring and didn't quite make it. You need to figure out which component is defective by bypassing each component until you find the problem. When the tensioner was replaced the problem went away. And the solution is pretty simple. There are two reasons your head unit might be experiencing power cuts. To solve this problem completely, it is best to replace the worn cylinder. Doing a soft reset for these systems will force the head unit to rest. My stereo is the 8.4" with Navigation and the Alpine Speakers/subwoofer system. 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. 6 Answers 640 While vehicle radios dont use a lot of energy, they can drain your battery, especially if its reaching the end of its life. How Many Vibrations Per Second Are Associated With a 101-mhz Radio Wave? Or a common power source. Q. I have a Buick Cascada convertible, which I really like. Dude!!! If the stereo still keeps turning on and off, then move onto the solutions listed below. Amplifiers can go into protection mode for various reasons like overheating, wiring problems, or internal fault. Just make sure that you get one that is compatible with your cars system. When one of your components goes down, your COMAND will stop functioning. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Email your car question to [emailprotected]. If this happens, you will need to turn the ignition off. Even if youre a Mercedes owner, there may be several reasons why the radio wont turn on. 27652 Camino Capistrano Unit B, If this happens repeatedly, a professional Mercedes Benz repairtechnician or mechanic can help check any updates for your COMAND / navigation unit. If this is happening to you and only by then, its normal, and your radio is working fine. Reconnecting the loose cable or replacing a bad power wire should solve the issue here. Especially if they suddenly appear. Check with dealer , may be a software update that could affect the system.Warranty? If the voltage reading remains constant at a high volume, the battery generates enough energy to handle the car stereo. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. My radio usually comes on when I crank up the car. If this happens, you will need to turn the ignition off. Thank you for yr prompt replies.What I have not told u that prior to this I had changed a new battery. Aug 14, 2014 . A number of Mercedes drivers report a rattling sound in their engine when they start their car. A loose ground connection can cause breaking or short-circuiting. 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 radio was fine right before I brought the car into Midas for 4 new tires. After a minute or two, reconnect them in the reverse order, positive one first and then the negative terminal. If you choose the right components and properly install a car stereo, you can avoid this problem. If your radio turns on, but you don't get any sound from the speakers, there are a whole lot of different potential culprits. I have been told that 2014 MB E350's need radiator replacement around 30k miles as the fluid leaks into the transmission and causes both to go bad. In this circumstance, you should turn off the automobile, remove the key, exit, and close the door. 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. money. Old wires often have slits in them through which their copper wire stays exposed. The battery in your alarm siren can go bad causing alarm to go off. In my case i lost sound but everything else worked. If both wires are hot but no power source like the one in the previous step is discovered, the ignition switch is the problem. I'm excited to share what I have learned and I hope you find the information helpful. minutes and want change stations. According to a technical service bulletin issued by General Motors, the issue is a defect in the power window motor control circuit board. If your car stereo is newly installed and turns off at a higher volume, there will be installation errors. This normally restores the systems to working order. Chances are the symptoms may return. 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. There is an arm in/on the left side of the disc player. 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. Be sure to come back and share!Edmunds Moderator. 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. To troubleshoot the cars electrical problems, I use theCrenova 890Z Digital Multimeter. 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. 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. (949) 582-2191, The most common solution to fix any of these issues is to try to perform a soft reset of the COMAND unit. Associate Degree. The wiring harness at the back of the stereo box holds a lot of wires together, and they often get entangled with each other. Here are some observations: Only happens when the car is in motion, at a stand-still it is fine. Fault in Your Car's Head Unit 4. 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. Lights on dash light up and car turns off sometimes while I am waiting at a stoplight? it was the battery!!! You should turn off the automobile, take the key out, exit, and close the door in this instance. I had a similar problem with the headlights turning on and off randomly. I can only use the main control button for about 10 seconds before everything freezes-navigation, Bluetooth, radio, etc. Just picked up the car from the mechanic it turned out great. 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. The warning message "Stop Vehicle Shift to P Leave Engine Running" is an indication that there is a problem with the charging system of your Mercedes-Benz. Automatic transmission. A. The signal on Sirius radio stations will not play properly while traveling down the road, with no obstructions to block the signal. The radio in my Mercedes keeps turning on and off. Best of luck! Exit the car and close the door, and if after 10 minutes everything is still going a definite bateery drain possibility. We have listed down common issues with the Mercedes-Benz COMAND system, including problems with, -radio shuts off randomly, turns on and then off. Why Does My Car Stereo Keep Resetting? Check for this first and replace it if needed. Is there a simple fix/reset? Why Can Radio Telescopes Be Used 24 Hours a Day? In this case, you have to check the wires in the system for leaks on the body. This amplifier will strengthen the antennas signal and solve the cutting out issue in the obstruction areas. Fuse Problems 3. 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. Locate your fuse boxes, and become current with fuse sizes as well as color codes. 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. 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. The most obvious . Memory Wire Has Suffered a Malfunction 2. He plugged both units in and they where working fine i didn't stay much with the mechanic just dropped them off and after few mins i left. Check the cables and make sure they are tight and properly connected. You should also check the ignition switch and other associated parts to see if there are any issues. Below are the possible causes of the radio shutting down suddenly when base hits: Fixing a car stereo that is cutting off frequently is usually easier said than done. Does the ignition switch go out often on '09 E350? One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. 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. A voltmeter or a test light can be used to check for this. The fix is to replace the window regulator. No warning, no messages, everything else seems fine. 90 Seconds later, I see "COMAND SHUTTING DOWN" on the screen. Afterward, you should check to see whether the stereo has switched off after several minutes. See if any of these cables or wires connected to the antenna have come loose and reconnect them carefully without breaking anything else in the process. Learn more. you a print out showing where the If your car stereo turns on then shuts off, then this might be the main problem with it. Sep 20, 2017. All car radios have at least one fuse that protects it from power surges coming from somewhere else in the vehicle. Here are some potential signs that signal this problem and some basic troubleshooting techniques you can try. Receive the latest news and breaking updates, straight from our newsroom to your inbox. I parked, then 2.5 hours later I get in the car and the radio fires right up. Mark helpful 105 dr904 answered 8 years ago 1,500 miles. It should be clean, free from rust, and tight. In more than half of the Mercedes radio not turning on issues get solved by replacing the blown fuse. Stay with us. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. Sometimes, a stereo can go off due to software issues. If I stick my finger in the door latch and lift up it activates the switch untill I can get it replaced. After a few minutes, you should check to see if the stereo has turned itself off. Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem. It looks like you're new here. Some automobiles feature a built-in radio timer that prevents the radio from turning off even if the key is removed. 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. This article will provide you with some necessary information as well as valuable tips on how to deal with this frustrating problem. The steps highlighted in this blog will help you in solving this issue on your own. 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. As an Amazon Associate, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this article. Make sure that Siri is turned on. I got 3 Mercedes all with the same problem . Rather, it starts with slow torture like switching on and off repeatedly. One of the most annoying things about the stereo is that it doesnt die on you instantly. Automatic transmission. Simple and inexpensive fix all of your combined It does . Why is the Height of a VHF Radio Antenna Important? Faulty Switch: This is the switch that's activated when you turn the wipers on and off, and it has lots of complex . Do it while the stereo has an active power supply to it. Solution 1: Take the car back to the dealership and see if you qualify for a recall. Save my name, email, and website in this browser for the next time I comment. People are leaving: Massachusetts has lost 110,000 residents since COVID began. In older car stereos, this problem is mainly caused by improper wiring or grounding. Some vehicle radios are set on a timer, so they don't turn off right away. Why is this happening? If the passager door is opened it will not turn off the radio. Why does a car radio turn off at high volume? You just need to take the connector apart and insert those two wires from both sides of coupler, so signal will keep going, you will just lose functionality of bad device but whole system will work. By following these methods, you should manage to tackle the issue down the road. Contact Us today to get our latest special offers. This happens more often in cold-weather locations. 25,720 miles. The car was parked at the dealership for long time and had to be jumped started can a new battery fix the problem? Please refer to CarGurus Terms of Use. 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 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 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. Any problem with one of those cables can cause the system to stop working to protect itself from any damage. Power Issues and Engine Cranking 5. I have participated in one focusing on the R/C107 - it was near Orlando, a really fun event among participants in that BW forum. The wiring problem will affect sound quality and cause a sudden turning off of the radio. The impedance of the speakers and subwoofers connected to the amplifier is too low. Windupradio is supported by its audience. To put your car in accessory mode, press the start/stop button a second time. You should also check the ignition switch and other associated parts to see if there are any issues. Your stereo will lose sound when the voltage gets too low. The two busses are completely incompatible; you cannot switch equipment from one to the other. Thank you. Only happens when listening to radio, not CD player or DVD player. Manage Preferences - Advertising - Do Not Sell or Share My Personal Information, my stereo shuts off every 30 minutes while i am driving the 2008 e-350. The first thing you should do when your radio stops working is check its fuses and replace any that have blown. You guys Rock between pulling fuses for an hour Hi, I'm Martin, and Welcome to ImproveCarAudio. After four years working as a radio mechanic, I know that everything about radio communication is not breezy, even though it greatly benefits us. You need to figure out which component is defective by bypassing each component until you find the problem. Posted on Published: July 22, 2021- Last updated: May 6, 2022. This should clear out any system lag or malfunction and make the car radio work again like normal on the Mercedes. 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. 5 Steps to Do, Difference Between Radio Wave and Microwave Explanation, What Does Copy Mean in Radio? This also causes cutoffs in the sound system and produces noise. When will I know its time to change my cars brakes? 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. Causes of The Problem and How To Solve Them 1. If all the connections test out OK, then the problem is internal to the deck. This will cause things to happen, to include killing the radio and/or cd player. off on a Mercedes Benz 2009, What wrong when my radio shut off every 20 Check to see whether your key or ignition cylinder turns out to be worn. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. 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. 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 will need to have an authorized, on Dont Ignore These Signs Of Transmission Trouble, on Keeping Cool With Climate-Friendly A/C. 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. I have to start it again. When I turn off the car, the radio comes on and stays on until I open the door. do . This applies with the engine running or has been stopped by depressing the start/stop button. 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. Most likely the spring inside it is broken. Skylaw i see you live in the same area i do. Make sure the power and grounding wires are of the same gauge. Turning off the radio in a 2019 Mercedes Benz can be done by pressing the knob in the center dash. Will update this weekend when i pick up the vehicle. 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. Did you get a good deal? 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. ; COMAND SHUTTING down & quot ; COMAND SHUTTING down & quot COMAND. Problem, make sure you check your ignition, battery and the radio from off... Radios are set on a timer, so they don & # x27 ; s unit... Mercedes drivers report a rattling sound in their engine when they start their car about stereo. Several minutes to the dealership for long time and had to be jumped started can new... Be used 24 Hours a Day optic ring and did n't quite make it an authorized, on Cool! 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