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

Radio problems

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Old 03-31-2023, 10:12 AM
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Mercedes Benz c230 07
Radio problems

I recently posted that I bought an aftermarket radio from walmart that had a bad harness and was told to get a new harness with a canbus and I got the new harness and spliced it together now it runs fine with no light showing. Now the issue is that the fan runs non stop when the car is running
. Before, it would cut on in ignition mode with a ton of light but now that I added the canbus it runs only with the car running and the lights are gone. If anyone has any advice I would really appreciate it.
Old 03-31-2023, 09:24 PM
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MY'14 W212 M276 3.5NA @60kMi
new radio runs fan

it's really odd that your new radio causes your engine fan to run...

Get a MB code scanner to read the list of OBDII faults.
Old 04-05-2023, 04:07 PM
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Mercedes Benz c230 07
Originally Posted by CaliBenzDriver
it's really odd that your new radio causes your engine fan to run...

Get a MB code scanner to read the list of OBDII faults.
it works fine now idk what happen but right when I connect all my harnesses like ac and lock harness the problem went away and I’ve been having no problems out of the radio or the car doing anything weird during the time I had it thank you for your help
Old 04-05-2023, 08:25 PM
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MY'14 W212 M276 3.5NA @60kMi
that's great!
Sometimes problems just run away as soon as you start paying attention - Knock on wood!

Usually scanners pay for themselves but you first have to learn their usage. Not simple.

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