SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: ROOF STUCK!!

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Old 08-17-2020, 08:44 PM
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2005 SL500
ROOF STUCK!!

I have an '05 SL500 and I just replaced my trunk flap supports. Made sure everything was tight - operated the roof and now it's stuck!!! The flaps did not activate at all! Did I blow a fuse or something?? Trunk is up and top is almost folded completely. I'm trying to do
preventative maintenance and this happens!! Any advice? Thanks!!
Old 08-17-2020, 09:55 PM
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I think I've found the culprit! My wires connecting the driver's side flap to the trunk somehow disconnected!!!! And now its difficult to connect them! I may have to take the whole flap mechanism off, put it back on, and see if that works. Any
other suggestions??
Old 08-18-2020, 01:31 AM
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SL500 R230
Originally Posted by cjennjr
I think I've found the culprit! My wires connecting the driver's side flap to the trunk somehow disconnected!!!! And now its difficult to connect them! I may have to take the whole flap mechanism off, put it back on, and see if that works. Any other suggestions??
just do that and solve the problem. If the work is above your capacity, take it to a MB mechanic shop.
Old 08-18-2020, 07:47 AM
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Well, I got the wires hooked back up by cutting the zip ties - I cranked the car and now the pump is trying to operate but no movement!! And it won't shut off! My flap on the driver's side has all of a sudden become disengaged and it flops! So I disconnected the trunk battery
so I won't damage the pump. I guess a tow truck and to the dealer I go!!
Old 08-18-2020, 08:32 AM
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This could be a really easy fix. And why the tow truck? Because whatever pump it is that you are referring to is easily disabled by pulling a fuse or control relay.
Old 08-18-2020, 09:43 AM
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Originally Posted by bobterry99
This could be a really easy fix. And why the tow truck? Because whatever pump it is that you are referring to is easily disabled by pulling a fuse or control relay.
You are right! I just did not want to drive 18 miles to the nearest Benz dealership with my trunk stuck in the air! Anyway, I reconnected the battery and the sound is not there anymore. So no fuse pulling for now. Will try to activate again and see if
the top will either go up or down. The roof is not completely stored in the "Easy Pack" position, and I can't move it manually at all. Otherwise I can close the trunk to where it's not in the air!
Old 08-18-2020, 10:56 AM
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2005 R 230 SL350 (M112 3.7). Sold the 1966 W113 230SL recently
perhaps this well known doc helps. If you're lazy, start a page 11....
Attached Files
File Type: pdf
Vario Roof Diagnostic Aid.pdf (1.14 MB, 99 views)
Old 08-18-2020, 02:36 PM
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I already have it! My situation is page 15 (Microswitch S69/11 Open). It also says you cant reverse it! I have the iCarSoft for Mercedes but i heard it can't reset either. So I guess i'm stuck!
Old 08-20-2020, 11:43 AM
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Quick question, Forum - can i release the pressure in the hydraulic pump to allow me to stow the roof completely and lower the trunk so I can at least drive it to the dealer? Thanks for all your inputs!!
Old 08-20-2020, 12:01 PM
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Yes. Open the bypass valve with a good (steel) allen key. The valve deceivingly looks like it’s holding that plastic cover but it isn’t.







Old 08-20-2020, 12:57 PM
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Thank you!! Also, does the fuse that controls the pump actually connects to any other gear? I intend to pull the fuse (where is it?) once I release pressure so I won't be able to accidently operate the roof. Thanks again, Forum!!
Old 08-20-2020, 01:32 PM
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Is the fuse to the hydraulic roof pump located in the blue holder at the top of the picture? That's the only 20A fuse I see...
Old 08-20-2020, 01:55 PM
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Check the benzbits webpage for that.
Old 08-20-2020, 02:14 PM
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2005 R 230 SL350 (M112 3.7). Sold the 1966 W113 230SL recently
You’ve got a smarttop module in there (and a not so neatly arranged set of wires). When you take the car too the dealer I’d recommend you switch off that module, as if it isn’t there. It has that option, in your dash display. The smarttop changes roof (and other) settings while activated.
Old 08-20-2020, 04:27 PM
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I switched the SmartTop Module off BEFORE I operated the roof JUST IN CASE something like this happened. Not concerned about neatness now - wanna get my top operational again. Thanks again for your inputs!
Old 08-20-2020, 06:01 PM
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Just found the fuse for the pump is #73 - the 40A fuse.

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