Reference Part Number: 2213202213, 221 320 22 13, A2213202213, A 221 320 22 13, 2213201438, 221 320 14 38, A2213201438, A 221 320 14 38, 2213205613, 221 320 56 13, A2213205613, A 221 320 56 13, 2213205813, 221 320 58 13, A2213205813, A 221 320 58 13, Fitment: For Mercedes-Benz S-CLASS W221 2005-2013 Features: 1. Equipment Vart.：ADS 2. Fitting Position：Rear Right 3. Shock Absorber Type：Gas Pressure 4. Spring Design：Air Spring 5. Fixed mode of shock absorber: lower suspension ring 6. Spring Type：for pneumatic suspension vehicles 7. Warranty: 1 Year.
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