How to repair sun-visor mirror lights W210

[Blobcat]

The sun-visor mirror lights in my W210 have not worked for awhile so I decided to strip them down over lunch today:

Here you can see that the mirror is open but the light is not working;

If I short out the connectors with my knife the light comes on so I know that the bulb and wiring are OK;

To remove the mirror housing you need to prise it out from the bottom;

You can see the clips on the back of the mirror housing here

Now you can see the switch

Next

 

[Blobcat]

Next I removed the switch from the mounting and pulled off the two wires. Then I applied a liberal dose of contact cleaning lubricant and worked the switch repeatedly to clean the contacts.

Now with the wires reconnected the switch works when only half pressed where previously it had to be fully pressed for the light to work.

Refit the mirror housing by inserting the top first then pressing the bottom section in. Then open the mirror lid and the light should work

Not a big job by any stretch of the imagination but it did bug me that the lights didn't work.

 

[Blobcat]

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