1. Find the fuse box under the dashboard. Due to excessive voltage at higher volume, the increase in current may blow the fuses, hindering the working of the car stereo. Take out the key from the ignition and dont turn on the car for at least 15 minutes. Your stereo has a detachable front panel, right? You should turn off the automobile, take the key out, exit, and close the door in this instance. 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. Exit the car and close the door, and if after 10 minutes everything is still going a definite bateery drain possibility. 1,500 miles. to reset all 3 system.. Radio, Navigation and The crux of the problem, as it relates to this issue, is that every car radio requires a ground and then two or three connections to battery positive. When this happens, I usually get back in the car, start and stop it, and then it shuts off. These connections to the instrument cluster also can come loose. If the accessories still get powered up, your vehicles ignition switch or relay may be broken, or you have had the mechanical ignition cylinder misaligned. What Causes Error CODE C249F or the Brakes Defective Stop Vehicle Error? I parked, then 2.5 hours later I get in the car and the radio fires right up. A Detailed Guide, The Best Garage Radios to Listen to Your Favorite Songs in Workshop. Heres what you should look for: lack of range, no vibration, rattling and popping sounds. 27652 Camino Capistrano Unit B, To put your car in accessory mode, press the start/stop button a second time. Best of luck! Q. I have a Buick Cascada convertible, which I really like. It sound exactly same as mine. As an Amazon Associate I earn from qualifying purchases. 7. Mercedes-Benz C-Class: Fuse Diagrams and Commonly Blown Fuses. The body control computer needs to see a signal to know . The Ecobee usually disconnects from Wi-Fi after optimization. Why does a car radio turn off at high volume? 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. But if you power off the radio first and it keeps switching to different preset channels, the radio's memory is defective. This also causes cutoffs in the sound system and produces noise. did you ever get this fixed? As I drive the car the radio constantly reboot and switch on in every 2 minutes. The second fuse box may be on the left side of the trunk. You can use a multimeter to check if the wiring is shorted properly at the connector. You might have issues with the radio cutting out if you're driving your car in any of these situations: A tunnel A thick canopy of trees The mountains Next to tall buildings How To Troubleshoot This Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Pry the side cover, look for fuse 26 and 28 and remove both fuses. Only happens when listening to radio, not CD player or DVD player. Cant Press Brake To Start Car: How to Fix? Contact Us - Fortunately for those who want to save time and money, most of these issues can be fixed with just a few troubleshooting steps. please adise what to 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. Read Next: All You Need To Know About Aftermarket Car Stereo Wiring. After removing the stereo, you will find a bunch of wires at its back. 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. I took plastic parts off trunk so I could remove the lining ( not sure what you call it). How to Win a Radio Call-In Contest: Learn the Secrets! Today, without warning, the radio and COMAND screen shut off. 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. This problem is related to the wiring and the capacity of the speakers. before you spend unnecessary off on a Mercedes Benz 2009, What wrong when my radio shut off every 20 Know the Root Causes Here! 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. 500 kilometer the engine is strong and have lot of power . And then it shuts off . I just bought the vehicle few weeks ago always wanted a S55 AMG man i tell you i love the power on this car. There are two reasons your head unit might be experiencing power cuts. This will cause things to happen, to include killing the radio and/or cd player. If your radio turns on, but you don't get any sound from the speakers, there are a whole lot of different potential culprits. 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. 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. As an Amazon Associate, We earn from qualifying purchases. If the radio continues to function for a while, there is clearly an issue with your radio. Dont Ignore These Signs Of Transmission Trouble. Are you currently in the car market and getting discouraged by high prices? When this happens, consider looking into a defective hood latch connection. Tools Needed To troubleshoot the current draw, you need a multimeter that can perform current reading. Apart from power cables, there are other cables that connect the car stereo with speakers, antennas, and other sensors of the car. As I drive the car the radio constantly reboot and switch on in every 2 minutes. Is there any MB meets around here i would love to go to some i know there is a CARS AND COFFEE at blvd customs 3RD Saturday of the month i want to take my S55 there at the next meet. Most times, a reset can help out. (with Car Stereo Tips), Copyright 2023 Improvecaraudio.com | Wisteria on Trellis Framework by Mediavine. Any Ideas? The issue could be related to the amp if you have an external amp or the speaker wires. Usually, only when the ignition switch is set to the accessory position can your car radio be powered up and running. A fuse chart for your model can be found on your fuse box, use the chart to identify the fuses for these components. Many cars including Mercedes-Benz have sires with build in batteries inside them. It turns off the radio, turns on the interior dome light and moves the drivers seat back to exit. I put a new battery on and everything started working. Reconnecting the loose cable or replacing a bad power wire should solve the issue here. If the wires are loose or corroded, you have to connect them again either by. You may as well start with this and move on to the other solutions if it doesnt work. 3 Mercedes: same problem..car start..3 mins and start an idle rough. I'm picking up the car this weekend and hopefully that fixes the issues. The idea of touching fiber optic ring seems intimidating. 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. It could also be your placement of them. Make sure that Siri is turned on. Instead, it just disconnects you from most accessories or devices you may have been connected to and disables auto-join capabilities. My radio usually comes on when I crank up the car. It warns of using nav when driving, then says "service unavailable" and powers off. 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. minutes and want change stations. 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. Cheers. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. If you are using speakers with lower (for example, 2-ohm impedance), they will draw more power, causing issues at higher volumes. The car start with cold . 90 Seconds later, I see "COMAND SHUTTING DOWN" on the screen. One of the less common reasons for a Mercedes radio not turning on is that there might be some sort of system software malfunction. I paid $400 for the head unit and $150 for the amp. Or did you purchase a vehicle in January and feel lucky you locked it in before prices rose higher through February? Hi, I'm Martin, and Welcome to ImproveCarAudio. BTW fiber optic is connector with two orange wires. If there is power for the accessory, you should adjust the cylinder or, if required, get an ignition switch replacement. Chances are the symptoms may return. Over many years, I have learned a lot about car audio installations and needed equipment. Faceplate Question, Do Not Sell or Share My Personal Information. Skylaw i see you live in the same area i do. I tried getting to the fiber optic ring and didn't quite make it. While stopping at a stoplight my dash lights come on and 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. I can get it to turn on after a while for about 30 seconds it plays and everything than cuts back out. Chances are the symptoms may return. Hi all just an update of whats going on. Stereo will usually start and restart itself later. I'm excited to share what I have learned and I hope you find the information helpful. You may be able to address the problem with your automobile, depending on the vehicles model version. I have to start it again. Ignition 4. Contact Us today to get our latest special offers. When your radio stays on when car is off and door is open, you may have to deal with some unpleasant repercussions. Please refer to CarGurus Terms of Use. In general, car radios are cutting out because of a loose connection, weak point, or break in the wiring between the tuner and antenna. 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. Aug 14, 2014 . It's typical for your car's radio to switch off after . Just make sure that you get one that is compatible with your cars system. It's common for the radio in your . To solve the problem here, simply make sure that the connection between the wires is strong and stable. 5. 2023 CarGurus, Inc., All Rights Reserved. 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. ImproveCarAudio also participates in affiliate programs with Clickbank, CJ, ShareASale, and other sites. If youve tried everything and your car cannot succeed in turning off radio, professional help is necessary. If this happens repeatedly, a professional Mercedes Benz repairtechnician or mechanic can help check any updates for your COMAND / navigation unit. Receive the latest news and breaking updates, straight from our newsroom to your inbox. 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. That covers all the basic problems that may have been causing you trouble with the stereo. , press the start/stop button a second time include killing the radio in your Defective stop vehicle Error Brake. 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Current draw, you should adjust the cylinder or, if required, get an ignition switch replacement why does my mercedes radio keep turning off... You call it ) power cuts unit might be experiencing power cuts voltage at higher volume the... Gateway is the brains of the trunk loose or corroded, you will find a bunch of at! An external amp or the Brakes Defective stop vehicle Error on to the wiring and capacity...