A battery capacitor stabilizes current delivery to electrical systems and components and supplies power boosts as needed during high electrical demand events. This capacitor is designed to match the function of the original on specified vehicles. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Mercedes-Benz C300: 2015, 2016, 2017, 2018, 2019, 2020, 2021] - [Mercedes-Benz C350e: 2016, 2017, 2018] - [Mercedes-Benz C400: 2015] - [Mercedes-Benz C43 AMG: 2017, 2018, 2019, 2020, 2021] - [Mercedes-Benz C450 AMG: 2016] - [Mercedes-Benz C63 AMG S: 2015, 2016, 2017, 2018, 2019, 2020, 2021] - [Mercedes-Benz C63 AMG: 2016, 2017, 2018, 2019, 2020, 2021] - [Mercedes-Benz G550: 2019, 2020, 2021] - [Mercedes-Benz G63 AMG: 2019, 2020, 2021] - [Mercedes-Benz GLE350: 2020, 2021] - [Mercedes-Benz GLE450: 2020, 2021] - [Mercedes-Benz GLE580: 2020, 2021] - [Mercedes-Benz GLS450: 2020, 2021] - [Mercedes-Benz GLS580: 2020, 2021] - [Mercedes-Benz S560: 2018, 2019, 2020, 2021] - [Mercedes-Benz S63 AMG: 2018, 2019, 2020, 2021] - [Mercedes-Benz S65 AMG: 2018, 2019, 2020]