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Problem with my P1 radio?

C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Problem with my P1 radio?

Old 08-08-2008, 01:26 AM
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'08 C 300 Sport, '01 SL 500 & '08 Nissan Frontier SE Crew Cab 4WD
Problem with my P1 radio?

Wife was complaining last week that all of her presets were gone? I was thinking she must have just accidentally hit something? I detailed the car today and tried to reprogram the presets on the radio & serious radio. Turned the car off to move it and all of the presets are gone again? Anyone else, do I need to hit MB up for a new radio too now. This car is starting to drive me crazy.
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Old 08-10-2008, 01:12 PM
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2005 C240 4MATIC, 2010 ML350
You might want to check your battery and alternator. Sounds like an electrical issue. I have a w203, and I discovered that in my Audio 20 headunit, not all settings are stored in the headunit. For example, when I was installing my iPod integration kit, I had to unplug and replug in my headunit when I added the new wire harness. I did not unplug the battery. The headunit, at that point would have lost any retained information, because it lost it's power source. But when I plugged it back in, I pressed my preset buttons for kicks, and they were all retained, but my EQ settings weren't. I think some values are stored in the car's information computer, and not in the headunit. There might be a power loss in that area.
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