1. Turn the ignition switch to position 1.
2. Press and hold the OK button on the steering wheel.
3. While holding the OK button, turn the ignition switch to position 2.
4. Continue to hold the OK button until the maintenance indicator disappears from the display.
5. Release the OK button.
6. The maintenance indicator has now been reset.
Note: If the maintenance indicator does not disappear from the display, you may need to take your vehicle to a Mercedes-Benz dealer to have it reset.
