How do you reset maintenance light, reset service light indicator Mercedes E320. For reset maintenance light and that can be made manually by use button on car dashboard.

Reset service light indicator, engine oil life Mercedes E320, oil reset instructions:

1. Turn the ignition switch to “On” without starting the engine.
2. Press and release the “0” button on the left side of the instrument cluster twice immediately after turning the ignition on.
3. Turn the ignition off.
4. Press and hold the “0” button.
5. Turn the ignition on.
6. Release the “0” button after the service message resets. Turn the ignition off.