Hey Mercedes owners dealing with that annoying ABC suspension sag? If your CL, SL, or S Class is dropping on one corner after you shut it off, or you're seeing 'Too Low' warnings and fault codes like C1525, this repair kit is your solution. This isn't a temporary fix - it's a complete overhaul kit designed to last the life of your vehicle. The kit includes everything you need: 14 Viton O-rings, 14 PTFE split design support rings, 2 replacement valve retaining clips, 2 weather seals for control valves, and even 4 position stickers to keep everything organized during installation. All components are made from premium materials that resist degradation and handle the high pressures of the ABC system. This specifically fits the valve block design used from 2000-2007 on various Mercedes models including CL Class (C215/C216), SL Class (R230), and S Class (W220/W221). How do you know if you have the right version? Check your ABC pump on the upper right side of the engine - if there's NO black sphere attached, this kit is for you. The instructions and videos make the process manageable for experienced DIYers. Say goodbye to that sinking feeling when you walk away from your car and hello to stable, properly functioning ABC suspension. This repair addresses the root cause of the sagging issue with quality components that outperform the original parts.