How to Repair Benz SOUND 5 HA1111 Radio “PROD” Error

This instruction show you guide on how to solve Mercedes Benz SOUND 5 HA1111 radio “PROD” error.If your radio get this error,it always just run about 15 second,then radio show you with the “PROD” error.

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Procedures:

Remove SOUND 5 HA1111 radio on vehicle

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Disassemble the radio to remove PCB

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Locate 24C256B eprom

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Here in 24C256B eprom is PROD,you just need to remove the eprom to get PROD OFF.

The radio can work normally even without this eeprom.

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Remove 24C256B from PCB

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And now we can test radio

Power on the radio,and the PROD error disappear,it can work correctly.

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