Why does my radio not shut off?
If the main power wire for your head unit is connected to a power source that is always hot, the radio won’t ever turn off. If both power wires are hot all the time, you’ll need to rewire the radio to receive power from a source that is only hot when the ignition is in the accessory or run position.
What to do if your Mercedes Benz Radio is not working?
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. Doing a soft reset for these systems will force the head unit to rest. This normally restores the systems to working order.
Why is my car radio not turning off?
I’ve also got an Onyx Plus XM Receiver also hardwired into the car. Both of these devices stopped working when 13 blew. I pulled the tapped blown fuse and put another 20A fuse in. Everything works and the radio turns off with the ignition now. There is nothing else after market in the car.
Why does my Mercedes Benz have no sound?
Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem. 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.
What to do if Mercedes Benz audio gateway is defective?
You need to figure out which component is defective by bypassing each component until you find the problem. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. You will need to have an authorized Mercedes-Benz service technician replace the whole unit if AGW is defective. This entry was posted in Info Articles.
Why does my Mercedes Benz radio not shut off?
In my repairs I have only seen it twice, yet the average Joe can perform this test to verify the operation with an ohm meter if she/he is willing to remove the radio, and opening the radio. Finally got to look at this. Fuse 13 for the cigar lighter is blown. However, this fuse has a Red wire integrated into it with atttached inline fuse.
How do you reset the radio on a Mercedes?
To reset the radio, you will need the code included with the paperwork from the car dealer. Insert the reset tool into the Mercedes’ data-link connector, which is near the hood-release latch. Turn on the ignition. Press the tool’s scroll button until “Mercedes” appears on the screen. Press “OK.”
Where is the security code on a Mercedes M class radio?
Punch in the five number vehicle security code on the radio keypad. The security code is included with the owner’s manual. Call a local Mercedes-Benz dealership and give them the VIN of the vehicle and the radio’s serial number to receive the code if the manual cannot be located.
Where is the serial number on a Mercedes-Benz radio?
Call a local Mercedes-Benz dealership and give them the VIN of the vehicle and the radio’s serial number to receive the code if the manual cannot be located. The radio’s serial number can be found on the identification plate located on the underside of the radio.