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69 Chevy Chevelle, 92 Mercedes R129, 95 BMW E31 V12, 95 E34 Touring, 99 Maserati 3200, 00 Jag XKR
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Discussion Starter · #1 ·
it seems my soft top has lost the will to move...either very slow or dead, did my research on the forums and looked in the hydraulic reservoir, it was bone dry, bought the hydraulic fluid and filled it up, cycled twice before the reservoir was completely drained, did it one more time and noticed i have 3 holes in line #12, so does anyone know where to get new lines?
 

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Y2K SL500 Silver
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noticed i have 3 holes in line #12, so does anyone know where to get new lines?
The roadster soft top (RST) is a complex system of hydraulic and electrical components. I'm not sure what you are referring to when you reference line #12 ???

Feel free to go to the bottom of the 4th blue Sticky at the top of the forum and read the last topic about the RST hydraulic system.

It's my guess that due to the age of your car you have one or more leaking hydraulic cylinders due to a internal rubber seal failure. The front two hydraulic cylinders (HC) that usually leak are located in the compartment on top of the wihdscreen or windshield. We have several Do It Yourself (DIY) write ups on how to fix these but when it comes to the other 10 HC's the information is spread throughout the forum. But I have done my best to consolidate most of them into one Thread.

BTW, almost all of the R129's (1989-2001) have the same hydraulic system. Some people will say you have 11 or 12 seperate HC's that move the RST. Regardless, when you own a 1992 your best bet is to replace ALL 12 of the HC seals rather than one at a time due to the amout of labor involvd.

When you fix one or two that usually puts pressure on the other old HC's and they will usually fail shortly thereafter. There are several ways to fix this problem on a 1992 R129. One is to set the car on fire and collect the car insurance, the other is to have the work done by a MB Dealer or Independent (Indy) repair technician. Note: most Indy's don't know how to do it unless you find the right guy and most dealers will charge you about $10K-$12K to replace all 12 of the HC's with new parts and labor. The other way is to have the cylinders rebuilt, don't buy used, or you can buy new parts or rebuild them yourself and replace all of the cylinders yourself.

We have several people on this forum that have done so. If you go to the For Sale and Want to Buy thread in the blue Stickies you will find that there is a a fellow buy the name of 'KBlov" that has a whole set of seals 4 sale so that you can rebuild your own.
 

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69 Chevy Chevelle, 92 Mercedes R129, 95 BMW E31 V12, 95 E34 Touring, 99 Maserati 3200, 00 Jag XKR
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710 Posts
Discussion Starter · #4 ·
ok...till i put up a pic, ill have to describe it, in the spare tire footwell, there are 3 lines,the return line, lines #10 and line #12 as indicated on top of the pump (old style), attempted to to a DIY by putting bathroom tape sealant but failed miserably, i quickly passed by the salvage yards in Abu Dhabi, omar as we were installing an exhaust system for my friend's scooby, the only garage i went to said that they will sell ONLY the entire system!!!

now the soft top is on but it wont go down as there is absolutely no fluid to use...so till then i will be riding with my soft top on, passing by sharjah to look for the line
 

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Departed 1998 SL500 (and the Pano is in Bogota)
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Those 2 pressure lines both go to the (same) distributor block, one is for the rollbar the other is for the Top. If you have holes in the line then need to be replaced before going after leaking cylinders (if any).
 
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