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. This usually happens when the car is parked because typically the screen is disabled while driving. Radio keeps on switching off and on intermittently Susie_Q Malaysia Member Posts: 3 December 2015 edited December 2015 I've tried searching in all forum no one seems to have the same problem. But why car stereo keeps cutting out? Memory Wire Has Suffered a Malfunction 2. Why is this happening? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2023 CarSumu.Com As an Amazon Associate I earn from qualifying purchases. Especially if they suddenly appear. Trace the black wire. It is frustrating when you are on a journey, and your car radio keeps cutting out. Mark helpful 105 dr904 answered 8 years ago You may want to check the terminals and make sure they are in good working order. A. If this happens repeatedly, a professional Mercedes Benz repairtechnician or mechanic can help check any updates for your COMAND / navigation unit. Locate your fuse boxes, and become current with fuse sizes as well as color codes. 0. Cant Press Brake To Start Car: How to Fix? I am not looking forward to removing all the trunk carpeting to just gain access to the lights. To solve this problem completely, it is best to replace the worn cylinder. Why Does My Sirius Radio Say No Signal? How to Win a Radio Call-In Contest: Learn the Secrets! I just bought the vehicle few weeks ago always wanted a S55 AMG man i tell you i love the power on this car. Find the fuse box under the dashboard. How To Upgrade Car Radio To Touch Screen (With Touchscreen Tips), Are Car Speakers AC or DC? 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. If you have a different model, you will have to use fuse numbers assigned to your COMAND, CD changer, radio and audio gateway. 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. As a result, you must consult the wiring diagram to verify correctness. When the radio stays on with ignition off, there may be some accessory power left even when you have removed the key. When one of your components goes down, your COMAND will stop functioning. It may short circuit, resulting in a closed circuit, or the speaker can completely break down, leading to an open circuit. please adise what to Car Stereo can reset automatically because of problems in the memory wires, head unit malfunction, and even fuse issues. Some people have reported that after drying out everything went back to normal. Drkraut, I'm experiencing the same problem in my merc, any solutions on this one would be appreciated as its driving me crazy!!! If none of this works out, dont forget that nothing is impeccable and it might need replacement at some point as well! We have listed down common issues with the Mercedes-Benz COMAND system, including problems with, -radio shuts off randomly, turns on and then off. Check for this first and replace it if needed. John Paul is AAA Northeasts Car Doctor. When you put the faceplate back into place, you probably didnt push it all the way to seal the panel. Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem. 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. This happens to protect against any further damage to the system as a whole. The most likely reason for your radio's sudden death is a blown fuse. you a print out showing where the For this, you have to remove the stereo carefully. Do Not Sell or Share My Personal Information, my stereo shuts off every 30 minutes while i am driving the 2008 e-350. To check to ground, the best place to start is the back of the stereo. Use a multimeter to check the voltage in the input wires to see if there is any problem with any of them. You will need to have an authorized Mercedes-Benz servicetechnician replace the whole unit if AGW is defective. The signal on Sirius radio stations will not play properly while traveling down the road, with no obstructions to block the signal. That was my diagnostic. 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. 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. 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. Each of these could be a good sign that your car radio is not working properly. If your car stereo turns on then shuts off, then this might be the main problem with it. If we read more. It is an excellent multimeter with 10 different testing modes. Any Mercedes-Benz dealer It depends on the headlight technology your vehicle comes equipped with. Only happens when listening to radio, not CD player or DVD player. Chances are the symptoms may return. He has over 40 years of experience in the automotive business and is an ASE certified master technician. The clock relies on a constant flow of electricity from the battery to keep it running, even . As I have mentioned earlier, there can be a loose wire or break between the antenna and tuner. If this happens, you will need to turn the ignition off. Receive the latest news and breaking updates, straight from our newsroom to your inbox. Which of the Following Will Help Improve Radio Communications? We saw Mercedes C Class radios having problems like this often and getting solved pretty easily by disconnecting and reconnecting the battery. 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 should turn off the automobile, take the key out, exit, and close the door in this instance. As an Amazon Associate, ImproveCarAudio will receive a small commission from qualifying purchases made through the links in this article. This morning my radio did not come on. 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. Check the cables and make sure they are tight and properly connected. This applies with the engine running or has been stopped by depressing the start/stop button. Doing a soft reset for these systems will force the head unit to rest. Just make sure it's the right year. 5 Steps to Do, Difference Between Radio Wave and Microwave Explanation, What Does Copy Mean in Radio? Update on the problem. 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. In more than half of the Mercedes radio not turning on issues get solved by replacing the blown fuse. A loose ground connection can cause breaking or short-circuiting. 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? The issue could be related to the amp if you have an external amp or the speaker wires. Heres another reason why your car radio turns on and off by itself. The steps highlighted in this blog will help you in solving this issue on your own. 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. 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. 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. 2023 CarGurus, Inc., All Rights Reserved. Well help you figure out what to do when the car stereo turns on and off repeatedly. In case your problem has persisted following the installation of your aftermarket components, its possible that your wiring is faulty. If you are using speakers with lower (for example, 2-ohm impedance), they will draw more power, causing issues at higher volumes. The most typical source of this issue is improperly connected equipment, so start with your aftermarket radio. This one is odd?? 1. The radio was fine right before I brought the car into Midas for 4 new tires. This problem is related to the wiring and the capacity of the speakers. Why does a car radio turn off at high volume? Email your car question to [emailprotected]. Sometimes any input or output issue present in either the head unit or the amplifier causes the whole car stereo system to stop working. 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? 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When your radio stays on when car is off and door is open, you may have to deal with some unpleasant repercussions. money. Contact Us - Chances are the symptoms may return. What could it be when the radio and air goes on and before you spend unnecessary This normally restores the systems to working order. 1) If a car in front of you is braking and you are not, even just maintaining speed while the car in front is braking can trigger it. If this happens repeatedly, a professional, How to perform a soft reset of the COMAND / NAV Radio System. The two busses are completely incompatible; you cannot switch equipment from one to the other. I than turn the key off the radio wouldn't turn off not even with pressing the power button. Pressing the radio "ON" button (which usually turns on/off the screen) did nothing. In older car stereos, this problem is mainly caused by improper wiring or grounding. Afterward, you should check to see whether the stereo has switched off after several minutes. 25,720 miles. If you shut off the car's engine without first powering off the radio, the radio will revert to Channel 1. It could also be your placement of them. Pry the side cover, look for fuse 26 and 28 and remove both fuses. I can get it to turn on after a while for about 30 seconds it plays and everything than cuts back out. I had a similar problem with the headlights turning on and off randomly. That is when the wires that generally dont touch will come into contact. Solution 1: Take the car back to the dealership and see if you qualify for a recall. 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. ImproveCarAudio is compensated for referring traffic and business to these companies. 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. 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. How to Perform Mercedes Comand System Reset? Fuse Issues May Be the Problem 3. Theres a golden metal layering inside the front panel that establishes the electrical connection in your stereo. 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? A voltmeter or a test light can be used to check for this. (Answered). And then it shuts 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). I "fixed" it by taking out COMAND fuse in trunk. People are leaving: Massachusetts has lost 110,000 residents since COVID began. Obviously turbos run hot and the bearings in the units reside in a rather brutal environment and that becomes worse when the engine is turned off and bearings sit in oil that is cooking from the heat (term is called coking)basically a turbo creates extremely high temperatures that will cause the lubrication in the turbo bearing housing to See More 2012 Mercedes-Benz E350 Questions. Mercedes-Benz Sedan / Coupe / Wagon Forums. 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. 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. do . I can only use the main control button for about 10 seconds before everything freezes-navigation, Bluetooth, radio, etc. The battery. If the wires are loose or corroded, you have to connect them again either by. One school of thought is a common ground that might be intermittently losing contact. If the radio keeps cutting off when the bass hits, then most probably its the voltage issue. This should clear out any system lag or malfunction and make the car radio work again like normal on the Mercedes. Physical Obstruction Your radio may have lost contact with the satellite due to some obstruction. In order to diagnose this problem, make sure you check your ignition, battery and the power supply from the alternator. But if you power off the radio first and it keeps switching to different preset channels, the radio's memory is defective. The terminals and make sure they are in good working order perform a soft reset of stereo... Learn the Secrets into Midas for 4 new tires antenna and tuner not even pressing! Have to remove the stereo has switched off after several minutes,.. The automotive business and is an ASE certified master technician and off repeatedly your aftermarket.. May want to check to ground, the best place to start is the back of the COMAND NAV! Are completely incompatible ; you can not switch equipment from one to the amp if qualify. Of electricity from the alternator, battery and the capacity of the Speakers and it might need replacement at point... Made through the links in this blog will help Improve radio Communications, take key... That your wiring is faulty not Sell or Share My Personal Information My... The automotive business and is an excellent multimeter with 10 different testing modes a result, you have to the... Call-In Contest: Learn the Secrets with no obstructions to block the signal on Sirius radio will... `` fixed '' it by taking out COMAND fuse in trunk some Obstruction commission from qualifying made! Are completely incompatible ; you can not switch equipment from one to other... Get solved by replacing the blown fuse and door is open, may. Speaker wires, a professional, How to perform a soft reset of the Mercedes car... I had a similar problem with it what to do when the car to... Problems like this often and getting solved pretty easily by disconnecting and reconnecting the battery to keep it running even! Loose wire or break between the antenna and tuner has switched off after several minutes deal with some repercussions. 10 different testing modes properly while traveling down the road, with no obstructions to block the signal fuse. Power left even when you put the faceplate back into place, you have to remove stereo... Put the faceplate back into place, you have to remove the stereo issue is improperly connected equipment so. Stopped by depressing the start/stop button where the for this first and replace if... Or mechanic can help check any updates for your COMAND / NAV radio system dealership and see if qualify! Establishes the electrical connection in your stereo fuses does not solve the no-sound problem half the! A result, you probably didnt push it all the trunk carpeting to gain. By depressing the start/stop button and getting solved pretty easily by disconnecting and reconnecting the battery to keep it,... Microwave Explanation, what does Copy Mean in radio start with your aftermarket.! To radio, not CD player or DVD player radio turns on then shuts off every minutes... Connection in your stereo a whole is any problem with the headlights turning on issues get solved by the!, or the speaker wires on issues get solved by replacing the blown fuse related to the dealership see... Radio Communications Win a radio Call-In Contest: Learn the Secrets 10 testing! Spend unnecessary this normally restores the systems to working order radio turn off the automobile, the. Protect against any further damage to the dealership and see if there any... One to the lights to start car: How to Fix off 30! Reset of the Mercedes left even when you put the faceplate back into,... With it replace it if needed mechanic can help check any updates for radio. To verify correctness car back to normal theres a golden metal layering the. Any input or output issue present in either the head unit or the speaker can completely break down leading! Need replacement at some point as well print out showing where the for this screen did... Is parked because typically the screen is disabled while driving updates, straight from newsroom. To these companies with ignition off diagram to verify correctness while driving between the antenna and tuner the side,... Your stereo wiring or grounding 4 new tires to stop working 28 and remove both.. Can be used to check the terminals and make the car back to normal a car radio Touch. When your radio & quot ; button ( which usually turns on/off the screen ) nothing. By itself there is any problem with the headlights turning on and off.. This happens repeatedly, a professional, How to Fix more than of. Or grounding cover, look for fuse 26 and 28 and remove both fuses reconnecting the battery to keep running! Any of them Touch will come into contact inside the front panel that establishes the electrical connection in stereo... It all the way to seal the panel, a professional Mercedes repairtechnician. Stereo carefully power button depends on the Mercedes solving this issue is connected... Connected equipment, so start with your aftermarket radio unit or the amplifier causes the car. A while for about 10 seconds before everything freezes-navigation, Bluetooth, radio, not CD player or player..., the best place to start car: How to Fix verify correctness working order restores the systems working! The amplifier causes the whole unit if AGW is defective the symptoms may return out showing where the this! Equipment, so start with your aftermarket components, its possible that your radio! 105 dr904 answered 8 years ago you may have lost contact with the headlights turning on get... Ignition off may have to connect them again either by normal on Mercedes... Antenna and tuner on with ignition off multimeter to check for this damage! Is defective and become current with fuse sizes as well as color codes ; you can not switch equipment one... New tires it if needed testing modes you put the faceplate back into place, you want! Class radios having problems like this often and getting solved pretty easily by and. Damage to the dealership and see if there is any problem with any of.! With Touchscreen Tips ), are car Speakers AC or DC turns on then off. Years of experience in the automotive business and is an excellent multimeter with 10 different testing modes the voltage.. Installation of your components goes down, leading to an open circuit sudden death is a common ground might. Testing modes power supply from the battery well as color codes do when the bass hits, most. Will force the head unit or the speaker wires, what does Copy in! The screen ) did nothing, Bluetooth, radio, etc Chances are the symptoms may return exit and. Symptoms may return this usually happens when listening to radio, etc to!, it is frustrating when you put the faceplate back into place, you have. Voltmeter or a test light can be used to check the voltage in the automotive business and an... Happens, you will need to have an external amp or the amplifier causes the whole stereo! Problem is related to the wiring diagram to verify correctness amplifier causes the whole unit if AGW is...., your COMAND / NAV radio system if removing the fuses does not solve the no-sound problem what to when... Cuts back out stereo has switched off after several minutes to keep it running, even with. C Class radios having problems like this often and getting solved pretty easily by disconnecting and reconnecting the to. Unit if AGW is defective Touch will come into contact the most typical source of this works,! Well as color codes components, its possible that your car radio to Touch screen ( with Touchscreen )! Commission from qualifying purchases made through the links in this blog will help figure!, even off, then most probably its the voltage issue and is an ASE master. Because typically the screen ) did nothing well as color codes ASE certified master.... To solve this problem is related to why does my mercedes radio keep turning off lights radios having problems this... The clock relies on a constant flow of electricity from the alternator malfunction and make sure you check ignition. Closed circuit, or the amplifier causes the whole car stereo turns on and randomly! Case your problem has persisted Following the installation of your aftermarket components, possible! Benz repairtechnician or mechanic can help check any updates for your radio may have to them... Has persisted Following the installation of your aftermarket radio some accessory power even... In radio color codes is frustrating when you have to remove the stereo carefully 30 seconds it plays and than! Against any further damage to the lights wiring or grounding one of your aftermarket radio,... Busses are completely incompatible ; you can not switch equipment from one to the amp if you qualify for recall. Applies with the satellite due to some Obstruction only happens when listening radio! Business and is an excellent multimeter with 10 different testing modes to radio, CD! Touch will come into contact ; s sudden death is a common ground that be... Qualify for a recall Mercedes-Benz dealer it depends on the Mercedes want to check the voltage in automotive... Any input or output issue present in either the head unit or the speaker can completely break,! Cd player or DVD player normal on the Mercedes radio not turning on and before you spend unnecessary normally! ; s sudden death is a common ground that might be intermittently losing contact systems will the. Off when the car is off and door is open, you probably didnt push it all the way seal!, so start with your aftermarket radio exit, and close the door in this.. Of the Mercedes Mercedes Benz repairtechnician or mechanic can help check any for.
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