This comprehensive kit is what you need to undertake the job from start to finish. Inlcudes: Complete Set of O-rings to rebuild all 5 cylinders regardless of year or model. A very useful Pick Tool, for removing the old worn seals Hydraulic oil pump refill kit...for replacing lost fluid after you complete the installation in a clean very easy way 1 Liter of ZH-M......, 000 989 91 03 10.....Hydraulic Oil Installation instructions, guidelines links to online useful resources for every portion of the job The O-rings in the kit are organized by cylinder, so you know which ones go to which cylinders. The O-rings in the kit are an upgrade to the OEM seal, which is not capable of withstanding the aggressive/corrosive hydraulic fluids. The Nitrile Rubber compound used in these seals is exceptionally resistant to petroleum based oils, found in hydraulic fluids used in the convertible top hydraulic system. Fits the following vehicles built on the R170 chassis: SLK200 1997 - 2004 SLK200K 1997 - 2004 SLK230K 1996 - 2004 SLK320 2001 - 2004 SLK32 AMG 2001 - 2004 A Comprehensive Multipage/Illustrated set of instructions are included. For repair of part numbers: FRONT LOCK CYLINDER 1708000072 RIGHT ROOF MAIN LIFT CYLINDER 1708000672 LEFT ROOF MAIN LIFT CYLINDER 1708000572 RIGHT TRUNK LID FRAME CYLINDER 1708000272 LEFT TRUNK LID FRAME CYLINDER 1708000372 Please note returns are not accepted on opened bottles of oil...The cap seal must still be intact and not tampered with for a return to be accepted NOTE: THE SEALS IN THIS KIT ARE O-RING SEALS. Additional Details ------------------------------ Is autographed: false Is memorabilia: false Package quantity: 1