remanufactured O.E. rear shock absorber Left or right 03-0+ E Class E- Class (W211) and 2005-2011 CLS-Class w/ADS. The O.E. shock is inspected, steam cleaned, and spin blasted to bare metal before it is recharged with new high performance shock oil. Worn components, such as the piston, rod guides and seal pack are replaced before being repainted with corrosion inhibiting paint. The shock and damping coil are dyno and functionally tested to assure OE performance. Replace the following OE numbers 2113262400, 2113262800, 2113260100, 2193260400