Arnott's exclusive Mercedes-Benz suspension conversion kit for the 2007-2013 Mercedes-Benz S-Class W221 models with AIRMATIC and with 4MATIC provides a seamless and error-free conversion of your Airmatic suspension system. Arnott's design features custom tuned front and rear shock absorbers. Arnott also includes an exclusive patented Electronic Bypass Module (EBM) (U.S. Pat. No. 9,329,917) to eliminate suspension dash panel error lights.
Features:
Coil Spring Conversion Kit Mercedes S W221 Airmatic with 4matic /with ADS can be installed on the following types of cars:
2007-2013 Mercedes-Benz S-Class (W221 w/AIRMATIC & ADS, w/4MATIC)