SL-Class (R231) 2013 on: Discussion on the SL550

SL/R231: Help! Roof Flap Replacement Not Extending

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Old Nov 26, 2024 | 07:47 PM
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2013 SL550
Help! Roof Flap Replacement Not Extending

Hi all:

Like some others, one of my roof flaps no longer fully retracted. I ordered a replacement set of flaps.

The replacement set of flaps came "not retracted" or closed. I could not manually extend them. However, when I pulled the old flaps off, they were extended.

I have installed everything -- the electronics are simple, there's two electronic connections. I've triple checked connections are secure.

When I go to close the top, the top will not close, the flaps remain in "closed" or not extended position.

I'm missing something obvious. Can anyone tell me what I'm doing wrong?

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Old Nov 26, 2024 | 10:50 PM
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2013 SL550
update. this was fixed by re-installing the old flaps, finding the point after which the flaps are closed, then swapping them in at that point.
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Old Nov 27, 2024 | 12:48 PM
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2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
So, it was the control module that remembered the last position?
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