How to reset Mercedes B200 maintenance light when service term exceeded message is showing?

To reset the maintenance light on a Mercedes B200 when the "Service Term Exceeded" message appears, turn on the ignition without starting the engine. Press the gas pedal three times within 10 seconds. Then, turn off the ignition and restart the vehicle; the maintenance light should be reset. If the light remains, consult the owner's manual for specific instructions based on your model year.