Use the wallet function of your smartphone now and save all details about the X 350 d 4MATIC on your mobile phone. All you need to do is press the “Wallet” button on the bottom edge of your smartphone screen and select your operating system. Please note that in doing so, you consent to receiving push notifications from us before, during and after the fair, which are activated as standard when you save the vehicle. Personal data will not be saved or transmitted in the process. You can deactivate the push notifications at any time in the app settings.