General description These rear air suspension spring bags are aftermarket replacements designed specifically for the Mercedes R-Class W251 (2006-2011). They are intended to replace the original rear air springs, ensuring a reliable and durable performance. 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, 2513200425, A2513200025, A2513200325, A2513200425 Placement on Vehicle: Rear left or right side Condition: Brand New Quantity: 1 piece Warranty: 2 Year Warranty Temperature Range: ≥ -40℃ / ≤ 70℃ Air Tightness Test: ≤ 0.02MPa Installation Professional installation is highly recommended for optimal performance and safety. Usage These air suspension bags are designed for use in the rear suspension system of the Mercedes R-Class, providing enhanced ride quality and stability.