How to Reset the Service Light on a Mercedes E500

1. Sit in the driver side seat and ensure that all the vehicle doors are closed.
2. Switch the ignition to the 'On' position, but do not turn the vehicle on.
3. Press the '0' button located on the left-hand side of your dashboard twice, within four seconds of switching the ignition to the 'On' position.
4. Turn the ignition to the 'Off' position, press and hold the '0' button while turning the ignition back to the 'On' position.
5. Continue holding the '0' for 10 seconds, or until the dash display on your vehicle reads 'Service In.'
6. Turn the ignition off and restart the vehicle to verify that the service interval message is cleared from the system.