General description Airmatic Rear Suspension Strut designed for Mercedes-Benz S Class models (W220) from 1998 to 2006. This product is a direct replacement for the original air shock, ensuring improved ride handling and safety. It is compatible with vehicles equipped with AIRMATIC and ADS (Adaptive Damping System), but not with 4MATIC (All Wheel Drive) or ABC (Active Body Control). Technical specifications Condition: New Fitment Type: Direct Replacement Quantity: 1 piece (for rear left or right side) Internal Design: Monotube Surface Finish: Rust Protected Greasable or Sealed: Sealed Gas Charged Shock: Yes Bushings Included: Yes Adjustable: Yes Dimensions: Length 39 cm, Width 6.3 cm, Height 6.3 cm Weight: 16.36 lbs Operating Pressure: ≤290 psi Temperature Range: ≥-40℃ / ≤+70℃ Compatibility and accessories Compatible with: Mercedes-Benz S Class S430 (2000-2006), S500 (2000-2006), S55AGM (2001-2006), S600 (2001-2006) Reference OE/OEM Numbers: 220 320 50 13, 220 320 5013, 2203205013,