1. Turn the ignition key to position 2 (just before starting the engine).
2. Press the "Trip" button on the instrument cluster until the "Service" menu appears.
3. Use the arrow keys to navigate to the "Reset Service" option.
4. Press the "OK" button to reset the service indicator.
Here are some additional tips:
* If you see the message "Service Due Now," you must take your car to a Mercedes-Benz dealer or authorized repair facility for service.
* The service indicator will reset automatically after you have your car serviced.
* You can also reset the service indicator using a Mercedes-Benz diagnostic tool.
