1. Turn the ignition key to position 1 (not running).
2. Press and hold the trip reset button on the left stalk of the steering wheel.
3. While holding the trip reset button, turn the ignition key to position 2 (engine running).
4. Release the trip reset button.
5. The display will show "Service B Complete" and the indicator light will turn off.
Additional Information:
- If Service A was performed prior to Service B you must reset the Service A reminder first then reset the Service B reminder.
- If the Service B indicator does not reset, you may need to take your vehicle to a Mercedes-Benz dealer to have it reset.