Bumper Bracket Mount compatible with Mercedes Benz X166 platform vehicles including GLS450 GLS550 (model years 2017, 2018, 2019) and GL350 GL450 GL550 GL63. Front bumper radiator support brackets. Part numbers 1666263631 and 1666263731. Compatibility and purpose Fits the front bumper mounting area behind the bumper on X166 platform vehicles listed above. Serves as the locking point for the bumper cover, securing it to the vehicle and aligning the front end. Key benefits Restores and maintains bumper alignment by providing a secure mounting point for the bumper cover. Reduces drifting or looseness caused by driving vibrations, improving front end stability. Helps protect the vehicle front from misalignment during normal driving and minor collisions. Designed to match the original factory part for a consistent look and fit. Durable construction and fit Made from materials to deliver durability and impact resistance. Maintains structural strength under harsh weather conditions and with prolonged use. Precisely designed to match the size and appearance of the original part for a seamless, OEMlike fit. Performance and safety Front bumper mounting solution that contributes to reliable front end protection and aesthetics. Ensures a consistent appearance and fit across the listed models and years. Use scenarios After a minor collision or bumper impact, the bracket to restore proper bumper alignment and secure mounting. During bumper removal or reinstallation work, use as a direct replacement to ensure original fit and stability. As part of a periodic bumper system renewal on 2017–2019 X166 GLS and GL series models to maintain front end alignment and aesthetics. Installation note To achieve results, professional installation is recommended to ensure precise alignment with OEM specifications. This bumper bracket kit is designed to precisely match the original factory part, ensuring correct size, appearance, and fit for continued safety and aesthetics.