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    Mercedes GLC Forum, Mercedes GLK Forum GLC 250 BLACK BAR AT REAR OF ROOF LINING

    UPDATE: I figured out what this black light bar does. It's indicator lights for the reversing sensors. FML. How stupid. It only comes on when reversing and when the beeps are going off to warn of obstruction. (can only be seen in your rear view mirror, or if you turn your head 180 degrees)...
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    Mercedes GLC Forum, Mercedes GLK Forum GLC 250 BLACK BAR AT REAR OF ROOF LINING

    Update, I took down this black bar and it had three wires attached to it. I still don't know what it is. Possible a radio antenna ???
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    Mercedes GLC Forum, Mercedes GLK Forum GLC 250 BLACK BAR AT REAR OF ROOF LINING

    Hi guys and gals, new to this thread as I just bought my GLC recently. I was wondering, there is a black bar (about 15cm long) attached to the rear area of the roof lining, (roughly above middle rear passengers head) looks like a light to me, but doesn't come on, Does anyone know what this is ???


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