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.