How to Reset 2009 E Class Service

1. Insert the key into the ignition. Turn the ignition switch to the 'ON' or 'II' position. Do not start the engine.
2. Press the trip odometer reset button repeatedly until the total mileage is displayed on the control panel.
3. Press the up or down arrow button on the left side of the steering wheel until the service reminder is displayed.
4. Press and hold the trip odometer reset button for 10 seconds. Release the button.
5. Press and hold the trip odometer reset button for three seconds. Release the button. The service indicator resets.