How to Reset the FSS Message for a Mercedes


1. Turn on the car so the engine is running.
2. Locate the 'R' or Reset button to the left of your instrument panel. Press the reset button twice. In the display screen in your instrument panel, you should see the amount of time left before your next oil change.
3. Turn off the car.
4. Hold the reset button down and simultaneously turn on the engine again. Hold the button down until the display screen beeps. You will see the FSS light reset.