The answer is as follows: According to official data, the 2021 Mercedes-Benz C-Class models support wireless CarPlay function. This means that you can use CarPlay functionality in your vehicle via Bluetooth or Wi-Fi connection without having to use a USB cable connection.
Mercedes-benz C-class 2021 supports wireless carplay, which can connect carplay and Mercedes-Benz C-Class 202 through Bluetooth, and then you can achieve some navigation, audio, and so on.