How to Reset the Door Locks in a 2002 Ml430


1. Insert the key for your 2002 ML430 in the ignition. Do not turn the key while in the ignition. You do not need to start the car to reset your key.
2. Press and hold the 'Lock' button displayed on your key fob while the key is inside the car's ignition.
3. Continue to hold the 'Lock' button down, and pull the key out of your vehicle's ignition. Keep holding the 'Lock' button even after the key is out.
4. Press the 'Unlock' button five times in a row. Make sure to keep holding the 'Lock' button when you do this.
5. Release the 'Lock' button to complete the resetting process.