L&R (2) Rear Hatch Trunk Gas Car Lift Support Spring Shock Arm Prop Lid Damper Rod For Mercedes-Benz ML350 ML430 ML55 AMG ML500 4-Door 1.Compressed Length: 15.41? 2.Extended Length: 25.31? Package Included: 2x Liftgate Lift Supports Please Check Your Old Lift Support And Compare With The Specifications Listed Below To Make Sure It Can Direct Fit Your Car. more detail in product description.