2008 Mercedes Benz 300cd Resetting the oil setting..

Close doors, key in 0 position, turn key to position 2 and depress reset button twice then move key to 0 position within 5 seconds. Press and hold reset button then turn key to # 2 position while holding button. An audible chime sounds and counter should reset to 10,000. Turn key to 0 position. Done!