The Arnott Industries Coil Spring Conversion Kit, No. C-3269, is designed for the 2000-2006 Mercedes-Benz S-Class with AIRMATIC and ADS and without 4MATIC. The kit features high-performance Eibach front and rear monotube dampers custom-tuned by Arnott. The conversion kit also features powder coated steel springs made by Eibach and includes Arnott's patented Electronic Bypass Module to eliminate suspension related dash panel error messages.