General description For Mercedes R Class W251 (2006-2018) Front Air Suspension Bag. This product includes a pair for both the front left and right sides, designed to replace the original air springs with high-quality aftermarket options. Technical specifications OE/OEM Reference Numbers: 2513203013, 2513203113, A2513203113, A2513200425, 2513200025 Chassis Models: R280, R320, R350, R500, R550, R63 AMG Warranty: 2 Years Installation Professional installation is recommended. Instruction manual is not included. Usage These air suspension bags are designed for comfort suspension, providing safe carrying capacity and stability. Other information High-quality materials according to OE specifications ensure high load capacity and long service life. Fast shipping is available.