What are the reasons for the Mercedes-Benz one-button start not working?

[VonDavid]

One-button start not working could be due to a locked steering wheel, the gear not being in P position, or the smart key running out of battery. The one-button start device is part of a smart car, a button device that simplifies the starting process. Here is some related information about one-button start: 1. Introduction: The one-button start device is part of a smart car, a button device that simplifies the starting process and can also turn off the engine. This device can be installed in place of the original car key lock or as an independent panel. 2. Function: Unlike traditional mechanical key ignition and traditional starting procedures, simply pressing the one-button start button can start or turn off the engine, avoiding the hassle of losing or searching for keys. Most of the time, the brake pedal needs to be pressed during the ignition process.