Fitment Benz W166 X166 front stabilizer sway bar bushings, 2 pieces per set, part numbers 1663231465 and A1663231465 Benefits and features Purpose: Front suspension stabilizer bushings designed to support the sway bar and improve vehicle stability. Function: Effectively isolates roadinduced vibrations and pothole impact to prevent direct transmission to the vehicle body, enhancing ride comfort for driver and passengers. Performance after replacement: Reduces bumpiness when going over potholes, improves steering precision, and results in a quieter chassis. Compatibility: Specifically engineered for Benz W166 and X166 models; 2 bushings included per set for a complete front axle installation. Material: Material details are not specified in the listing. Use scenarios: Daily urban commuting with speed bumps and rough pavement Longdistance highway or crosscountry driving requiring stable handling Driving on potholeprone or rough rural roads where ride comfort and steering steadiness are important Notes Includes 2 front stabilizer bushings per set, designed to restore original handling characteristics and improve overall suspension performance.