How to Reset the Service Indicator Light on a Mercedes Benz GL450

1. Insert the key in the ignition. Move the ignition switch to position I.
2. Press the left or right menu button on the display until the mileage is displayed on the screen. The menu buttons are located directly above the display screen.
3. Press the 'Reset' button quickly three times. The reset button has an 'R' on it.
4. Press the up or down arrow until the service menu appears on the display.
5. Press the left or right button until 'Confirm' is selected on the screen.
6. Press the 'Reset' button once to reset the service indicator.