220 589 00 99 02 Adapter Line - WS54.00-P-0050-02B
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2023 Mercedes-Benz GLC43 AMG, 2022 Mercedes-Benz GLC43 AMG, 2021 Mercedes-Benz GLC63 S AMG, 2021 Mercedes-Benz GLC63 AMG, and 2021 Mercedes-Benz GLC43 AMG. However, it is still accessible from the selected car via links, so may be relevant.