How to Reset the SLK 230 for an Oil Change


1. Insert the key in the ignition. Turn the key to position '2.'
2. Press the adjust button twice within one second. The adjust button is located below the speedometer.
3. Turn the ignition off.
4. Press and hold the adjust button. Turn the ignition to position '2.'
5. Release the adjust button after a signal sounds and the service indicator resets visibly.