I. Compatibility 2007-2014 Mercedes-Benz CL6002008-2012 Mercedes-Benz CL63 AMG2008-2014 Mercedes-Benz CL65 AMG2012-2013 Mercedes-Benz S3502007-2013 Mercedes-Benz S6002008-2013 Mercedes-Benz S63 AMG2007-2013 Mercedes-Benz S65 AMG II. Specification Function: Stabilize and regulate the current and voltage in the circuit Condition: 100% new, high quality. Direct substitution Built to strict quality control standards III. Shipping .