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As I can’t read German, I put the text into Google Translate and managed to follow most of the translated Instructions.

However the Note in Bild 4 :

Wichtiger Hinweis :

Notschlussel nur Komplett Einstecken! Kofferrraumschloss nicht mit dem Notschlussel offen, Verschlossenes Schloss wird als Drehpunkt benotigt,

Was translated as :

Important Note:

Emergency only complete plugging! Boot lock not with the emergency key open closed lock is needed as a fulcrum !!!

I can’t understand this and with all those exclamation marks it must be very important!!!

Would one of our German speaking Users be kind enough to give me the correct English translation.

Thanks,
Tom
 

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I give it a shot
Wat it means is:

Important note.
Only completely insert the emergency key! Do not open the trunklock with the emergency key, the closed lock is needed as a fulcrum.

A part of the whole procedure is openening the bootlid to get the roof in. The trunklock is the fulcrum about which the bootlid pivots. To able to use it as a fulcrum in an emergency situation it seems you have to fully insert the emergency key but not open the lock. So it's important to keep the lock closed otherwise the whole lid might come loose. So yes, you were absolutely right in the assumption that it is an important note.

Edit: English is not my native language, I have no idea if fulcrum is common English. Pivot might be a better translation.
 

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Thank you for the explanation Pete, and Jeff for the Photo.

That make perfect sense now, and yes, Fulcrum is what my School/College Lecturers used in Science and Engineering Classes to describe what, in normal conversation, we would call a Pivot.

Tom
 

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Here you go:

Figure 1
Stowage compartiment between the seats

Figure 2
6 mm Allen key

Figure 3
Manual closure of the malfunctioning varioroof of the R171!
First step is to release the hydraulic pressure of the varioroof.
To do this turn the Allen key 3 full turns counterclockwise as shown in figure 3.

Figure 4
Take the emergency key out of the remote key and insert it in the bottom of the bootlid at the right side of the left licenseplate light.

Important note:
Only completely insert the emergency key! Do not open the trunklock with the emergency key, the closed lock is needed as a pivot!!!

Figure 6
Now pull with considerable force above the license plate so that the bootlid mover away from the rear window as usual. When this first step is done you can open the bootlid complete.
Next take out the varioroof from the boot and position it agains the windshield frame.

Figure 7
Finally remove the cover from the headliner above the rearview mirror and lock the varioroof with the 6 mm Allen key.
That's it.....good luck!




Hmmm...they make it sound pretty easy but if you look in the attached WIS I'am not so sure.
And ofcourse you still need STAR to close the rear side windows.
Has anybody actually tried this and what were his/hers findings?
Easy to do? No damage to the roof or elsewhere?
Was a visit to the dealer necessary afterwards?
 

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Thank you - I've done it with R170's several times but not the newer models (which have considerable differences). The boot lid motion is a little more complicated in the newer models, and the "assembly position" is not required in the 170. There don't appear to be any release cables as in the 170 either. The hat shelf moves by itself in the 170 whereas newer models require manually moving it. And most significantly, detaching the bootlid pistons and removing the fuse are not necessary on the 170's either.
 

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You're welcome.
I myself would'nt worry too much about the fuse, as I read it it's just a precaution.
But the whole thing sounds pretty complicated to me if I read the WIS. In the German forum they skip whole parts of the procedure.
I would especially worry about all the actions when not done right could cause damage to the roof and the tubular frame. I don't think it is something I would consider doing when I'm on the road and get caught by a shower and my roof malfunctions. I would head for the nearest overpass and sit it out.
That's why I wonder if someone actually went through this whole procedure.
 

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What puzzles me most is disconnecting the hydraulic cylinders at the end, even after they've been compressed manually. I don't want to think what might happen if you activate the pump with these disconnected.
 

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BUMP

Anyone tried this?

After my recent 'key dying' experience, with my roof and windows down, I've been contemplating what to do in a similar emergency...
Never tried it myself (never needed to, fingers crossed) but
a vid that shows the whole procedure.
Like I already mentioned, I think the whole procedure is actually a bit more complicated as described on the German forum. Especially the part to raise the rear quarter windows. I would just skip that part (you need STAR ) and tape some plastic over it as an emergency solution.
 

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I've done it a couple of times with the R170. The cables on that weren't much help, I found it easier to carefully manipulate the panels whilst watching where my fingers were to avoid trapping. Careful means avoiding doing one side faster than the other as well.

On the R170, once you had closed the hydraulic release back to the original position
pressing the 'close roof' button restored all 4 windows to the original position.

I'd hope it is the same with the R171.

There was a warning in the R170 manual that boot and windows do not lock afterwards and to 'visit'
(with an armed escort for the money) a dealer to fix.
However, I found that the roof operated normally (it had been interrupted whilst fixing things).
Obviously if it is a mechanical failure, it will likely recur.
 

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Never tried it myself (never needed to, fingers crossed) but here's a vid that shows the whole procedure.
Like I already mentioned, I think the whole procedure is actually a bit more complicated as described on the German forum. Especially the part to raise the rear quarter windows. I would just skip that part (you need STAR ) and tape some plastic over it as an emergency solution.
Wouldn't a double forward click on the roof button close all 4 windows?

I'd never remember all that sequence when I'm panicking, 'on a dark and stormy night' in the middle of nowhere... :surprise:
 

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Wouldn't a double forward click on the roof button close all 4 windows?
Don't know but I think that if that was the case they would have mentioned that in the vid.
The rear windows are the last step in the closing procedure and because you just performed that whole procedure manually the roof control unit will not raise the windows by itself, you need to instruct it to do so with STAR.
Afaik double clicking on the roof button only raises or lowers the front side windows, not the rear ones.
But when you have a Smart Top, who knows?
Anyone feel lucky to perform the whole procedure and let us know?
I don't have a Smart Top, so that rules me out..>:D
There is another method to raise the rear windows without STAR but that involves a special custom made cable which has to be hooked up to certain specific connector points in the trunk. Like you said, not something you want to do on rainy stormy night. :surprise:
 
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