How to Close/Open All Mercedes-Benz Windows at Once

How to Close/Open All Mercedes-Benz Windows at Once?

To close/open all Mercedes-Benz windows at once, press the lock button on the smart key to lock the doors, and then press the lock button again while keeping it pressed to close/open the windows. If you’re driving and quickly need to close all the windows, this trick allows you to do so effortlessly. Having the…