What is the method to reset the maintenance light on a Mercedes-Benz E300?

[Norah]

There are 9 steps to reset the maintenance light on a Mercedes-Benz E300: 1. Start the vehicle and turn to the first gear: First, start the vehicle, select the first gear, and close all doors and the engine compartment; 2. Locate the dashboard and switch to the odometer: Switch the dashboard display to the odometer interface; 3. Operate on the steering wheel: Simultaneously press and hold the OK button on the left side of the steering wheel and the phone button on the right side of the steering wheel until the menu appears; 4. Enter the menu options: Three menu options will appear, select PLUS and hold the OK button to enter; 5. Select the full maintenance: Choose the full maintenance and hold the OK button to enter; 6. Choose to perform maintenance: Select to confirm the full maintenance, a pop-up will appear asking if you want to perform maintenance; 7. Hold the OK button: Hold the OK button to confirm, a pop-up will appear stating it cannot be completed; 8. Select confirm: Choose to confirm and hold the OK button; 9. Completion: The reset is completed.