This door lock actuator has undergone extensive quality and safety testing to ensure reliable performance. It is engineered to provide a direct replacement for the stock actuator on specific vehicle years, makes and models. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Mercedes-Benz B Electric Drive: 2014, 2015] - [Mercedes-Benz B250: 2013, 2014, 2015, 2016, 2017, 2018, 2019] - [Mercedes-Benz B250e: 2016, 2017] - [Mercedes-Benz GL350: 2013, 2014, 2015] - [Mercedes-Benz GL450: 2013, 2014, 2015] - [Mercedes-Benz GLA250: 2014, 2015, 2016, 2017, 2018, 2019, 2020] - [Mercedes-Benz GLA45 AMG: 2014, 2015, 2016, 2017, 2018, 2019] - [Mercedes-Benz ML250: 2015] - [Mercedes-Benz ML350: 2012, 2013, 2014, 2015] - [Mercedes-Benz ML400: 2015] - [Mercedes-Benz ML550: 2012, 2013, 2014, 2015] - [Mercedes-Benz ML63 AMG: 2012, 2013, 2014, 2015]