C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

LH door mirror stopped heating

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Old 11-06-2020, 03:22 PM
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W203 C220 CDI
LH door mirror stopped heating

So, the driver's side door mirror in my 2007 doesn't heat, while the passenger's side door mirror works fine. Where is the mirror heater plug for me to check it?


I searched and didn't find anything, so feel free to delete the thread if it has been discussed before.
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Gorilla Jones (11-06-2020)
Old 11-07-2020, 01:49 PM
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Just read the fault memory then you will know what to test.
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Old 11-07-2020, 01:56 PM
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Originally Posted by Russell Ormerod
Just read the fault memory then you will know what to test.
OBC shows no errors. Is it supposed to throw a code for the heated mirrors? I only found out it wasn't working properly when after a drive, i found out there was still a lot of condensation in one mirror but not the other

EDIT: typo
Old 11-07-2020, 05:03 PM
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What ecu did you communicate with when you looked for errors? You need to be checking the door control module faults. A generic obd tool is useless for this problem
Old 11-11-2020, 07:40 PM
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I meant OBC, the driver info display, like nothing shows there when I start the car. Guess i'll have to find someone with the correct diagnostic tool to check the door control module
Old 11-14-2020, 03:26 PM
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The cluster will tell you nothing about faults. Only way is a scan tool

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