Roof not opening - Not the usual

Flintyyy

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Joined
Mar 2, 2026
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Your Mercedes
Sl350 R230
Any advice on my SL350 - R230

Roof not working - states “in operation” on dash constantly and switch flashes Red when pulled. When driving it shows a red “roof not latched warning” the lumbar support works and I can hear the pump working and the soft close for the boot operates fine.

•roll over bar does not move on the buttons
•central locking does not work on the key but operates from the button inside the car

It has been sat for a while but the last time I used it 3 month ago it was working fine. I have checked fuses for PSE pump etc all seems to be okay

I have taken the pse apart tonight to inspect for any corrosion but it appears good, and has 2 new battery’s. Any ideas on what’s causing the roof not latched to appear?
 

SL63 Mark

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Oct 1, 2012
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Location
Wilts
Your Mercedes
2016 SL63 AMG
There are Microswitches that tell the roof what is going on.
 
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