How to Use a Mercedes-Benz Car Key?

[PresleyMarie]

The usage method of a Mercedes-Benz car key is as follows: 1. Press the unlock button to remotely unlock the car; 2. Insert the key into the ignition switch to turn on the vehicle's electrical equipment and start the engine; 3. Aim the key at the left front door handle of the car and press the lock button within one meter to automatically raise all windows and close the sunroof. For a convertible, this action can close the roof; 4. Aim the key at the left front door handle of the car and press the unlock button within one meter to lower all windows, open the sunroof, or the roof; 5. Simultaneously press the lock and unlock buttons for about five seconds. The key light will flash once, indicating that only the left front door and fuel tank cap can be unlocked. To restore full car unlocking, simultaneously press the lock and unlock buttons again for about five seconds.