General description These rear air suspension bags are aftermarket replacements designed specifically for the Mercedes-Benz R-Class W251, model years 2006-2010. This product includes two air springs that will replace the original rear air springs, ensuring a smooth and reliable ride. Technical specifications Reference OE/OEM Numbers: 251 320 0025, 251 320 03 25, 251 320 0325, 251 320 04 25, 251 320 0425, 2513200025, 2513200325, A2513200025, A2513200325, A2513200425 Warranty: 2 Years Condition: Brand New Placement on Vehicle: Rear left & right side Quantity: 2 pieces Stress Test: Over 3,000,000 times Burst Pressure: ≥ 2.0 MPa Air Tightness Test: ≤ 0.02 MPa Temperature Range: ≥ -40℃ / ≤ 70℃ Installation Professional installation is highly recommended. Instructions are included with the product. Usage These air suspension bags are designed to provide enhanced durability and safety, ensuring optimal performance for your vehicle. Other information Product Certification: ISO9001:2015