The Mercedes-Benz SLK 230 features an engine oil-life tracking system as part of the car's computer. The computer monitors driving habits and engine conditions to determine when the oil needs to be changed. The control panel displays a reminder when the car needs an oil change. In order for the computer system to work correctly to predict the next oil change, reset the light following an oil service.
Insert the key in the ignition. Turn the key to position "2."
Press the adjust button twice within one second. The adjust button is located below the speedometer.
Turn the ignition off.
Press and hold the adjust button. Turn the ignition to position "2."
Release the adjust button after a signal sounds and the service indicator resets visibly.
