If you want to get an understanding of the R129 Convertible Top Hydraulic Cylinder System take a look at these posts.
Hydraulic cylinder upgrade and rebuild service by Top Hydraulics (aka Klaus/"Lighthouse" on this forum)- contact info
Location of all your soft top/hard top hydraulic cylinders, and removal instructions
Can I remove roof hydraulic cylinders and manually lock in the roof?
Hydraulic-line-numbering-installation
Malfunctioning bow extension micro switch
Soft top front lock adjustment
RST Hydraulic Fluid - What to use and what to avoid
Functional Description of the Roadster Soft Top and RST Troubleshooting PDF's
soft top tool / wrench p/n # 1295810066
Detailed report on 12x soft top cylinder removal, rebuild, and installation
**Roadster Soft Top (RST) hydraulic system fluid renew for MY 90-98
**Roadster Soft Top (RST) hydraulic system fluid renew for MY 97-02
There are 10 cylinders that work the roadster soft top (RST) and one for the roll bar for a total of $3,496.00 US MSRP for parts alone
Easy to remove & rebuild ALL R129 Hydraulic Cylinders on MY90
Make sure you take pictures of all of your hydraulic soft-top cylinders before you remove them
Repairing Leaking Top Cylinders Inexpensively
Pictures of where soft top hydraulic cylinders leak.
Hydraulic cylinder repair photos
Adjusting Soft top & Hard top (Front & Back)
POLL - Convertible Top Hydraulic Cylinder R&R
hydraulic leak at rear wheel, the most expensive cylinder: 129 800 17 72 is $700
91sl oil leaking front right rear wheel soft top controller might need to be "reset"
Removal Of Rear Panels; Step-by-Step
I used the following video clip link (Tail) to help to remove storage compartment
Main Hydraulic Cylinder Removal
Main Hydraulic Cylinder Removal
this is really a fairly easy repair, take your time and have fun doing it
Don't be fooled by the complexity of the 129 SL. It is actually a comparatively easy car to work on
1991 front hydraulic Distributor leak
MB decided to use a 'custom' size urethane seal in lieu of an o-ring within the hydraulic piston
limit switch for the convertible top in compartment is in the area shown
i fix the leak in my 1998 sl500, by adding NO LEAK brand powering steering fluid to my resorvior
fluid in front of the rear tire would suspect seal for the main lift cylinder
all 12 cylinders were leaking and my stealer wanted nearly $5K for parts
if you take it into Stealer they recommend replacing all cylinders at once to save on labor
Oil leaking from Sunvisor hinge due to front hydraulic cylinder M-B p/n 129 800 1672
Hydraulic leak just in front of rear wheel -can anyone ID
Hydraulic leak just in front of the passengers side rear wheel
R129 Hydraulic fluid M-B p/n 00989910310 or Febi-Bilstein p/n 02615 at about $10-$20/liter US
picture of hydraulic pump and location
hydraulic reservoir is located in the trunk under the spare tire plastic shield
2000 SL soft top stuck in compartment
Manual Release with Soft Top Tool
Manually locking the RST front and rear.
**How to remove the hard top and put the RST(roadster soft top) up manually
opening rear soft top compartment when hydraulics are dead...
rear soft top compartment wrench p/n # 1295810066
I did the re-set/re-synch deal at least 5 times before it worked
How to install the hydraulic cylinder clips
DIY: R&R of the Front RST Release Cylinders
FS: Hydraulic Cylinder Seal Kits from ' KBelov '
FS: Hydraulic Cylinder Seal Kits from ' Ler '
Fixing the bow extension micro switch
R129 soft top 'Controller' ultimate thread
Window Limit Switches
Fix: New soft top or new front gaskets resulting in soft top not closing in the rear
$0 DIY fix - dealer quoted $1600 to repair red soft top switch light staying on
Hydraulic cylinder upgrade and rebuild service by Top Hydraulics (aka Klaus/"Lighthouse" on this forum)- contact info
Location of all your soft top/hard top hydraulic cylinders, and removal instructions
Can I remove roof hydraulic cylinders and manually lock in the roof?
Hydraulic-line-numbering-installation
Malfunctioning bow extension micro switch
Soft top front lock adjustment
RST Hydraulic Fluid - What to use and what to avoid
Functional Description of the Roadster Soft Top and RST Troubleshooting PDF's
soft top tool / wrench p/n # 1295810066
Detailed report on 12x soft top cylinder removal, rebuild, and installation
**Roadster Soft Top (RST) hydraulic system fluid renew for MY 90-98
**Roadster Soft Top (RST) hydraulic system fluid renew for MY 97-02
There are 10 cylinders that work the roadster soft top (RST) and one for the roll bar for a total of $3,496.00 US MSRP for parts alone
Easy to remove & rebuild ALL R129 Hydraulic Cylinders on MY90
Make sure you take pictures of all of your hydraulic soft-top cylinders before you remove them
Repairing Leaking Top Cylinders Inexpensively
Pictures of where soft top hydraulic cylinders leak.
Hydraulic cylinder repair photos
Adjusting Soft top & Hard top (Front & Back)
POLL - Convertible Top Hydraulic Cylinder R&R
hydraulic leak at rear wheel, the most expensive cylinder: 129 800 17 72 is $700
91sl oil leaking front right rear wheel soft top controller might need to be "reset"
Removal Of Rear Panels; Step-by-Step
I used the following video clip link (Tail) to help to remove storage compartment
Main Hydraulic Cylinder Removal
Main Hydraulic Cylinder Removal
this is really a fairly easy repair, take your time and have fun doing it
Don't be fooled by the complexity of the 129 SL. It is actually a comparatively easy car to work on
1991 front hydraulic Distributor leak
MB decided to use a 'custom' size urethane seal in lieu of an o-ring within the hydraulic piston
limit switch for the convertible top in compartment is in the area shown
i fix the leak in my 1998 sl500, by adding NO LEAK brand powering steering fluid to my resorvior
fluid in front of the rear tire would suspect seal for the main lift cylinder
all 12 cylinders were leaking and my stealer wanted nearly $5K for parts
if you take it into Stealer they recommend replacing all cylinders at once to save on labor
Oil leaking from Sunvisor hinge due to front hydraulic cylinder M-B p/n 129 800 1672
Hydraulic leak just in front of rear wheel -can anyone ID
Hydraulic leak just in front of the passengers side rear wheel
R129 Hydraulic fluid M-B p/n 00989910310 or Febi-Bilstein p/n 02615 at about $10-$20/liter US
picture of hydraulic pump and location
hydraulic reservoir is located in the trunk under the spare tire plastic shield
2000 SL soft top stuck in compartment
Manual Release with Soft Top Tool
Manually locking the RST front and rear.
**How to remove the hard top and put the RST(roadster soft top) up manually
opening rear soft top compartment when hydraulics are dead...
rear soft top compartment wrench p/n # 1295810066
I did the re-set/re-synch deal at least 5 times before it worked
How to install the hydraulic cylinder clips
DIY: R&R of the Front RST Release Cylinders
FS: Hydraulic Cylinder Seal Kits from ' KBelov '
FS: Hydraulic Cylinder Seal Kits from ' Ler '
Fixing the bow extension micro switch
R129 soft top 'Controller' ultimate thread
Window Limit Switches
Fix: New soft top or new front gaskets resulting in soft top not closing in the rear
$0 DIY fix - dealer quoted $1600 to repair red soft top switch light staying on