Mercedes C230: Reset the Service B

You will be notified via the dash display screen when a particular service is needed on the Mercedes C230. A Service B notification lets you know when you need an oil change, a new filter and when the tires need rotating, among other necessary maintenance checks. If you have already had these services yet you still see the warning, continue below to find the steps to reset the Service B notification. No tools are needed for this task.

2021 – 2023 Models

1. Turn the key to the ON position without starting the vehicle.
2. Via the steering wheel controls on the left side, push the bottom left button until you see the MILEAGE on the dash screen. 
3. Press the bottom right ARROW until you see SERVICE B on the screen.
4. Push and hold the RESET button located in the left corner of the Instrument Cluster until you see the Reset instructions on the screen.
5. Once more, push and hold the RESET button until you hear a beep. The screen will read: SERVICE INTERVAL HAS BEEN RESET.
6. Done! You have successfully reset the Service B on a Mercedes C230.

2014 – 2020 Models

1. Turn the key in the ignition to the “ON” position. Do not start the engine.
2. Use the multifunction steering wheel’s buttons to navigate to the instrument cluster’s main menu.
3. Locate and select the “Assyst Plus” option within the main menu.
4. Select the “Full Service” option. This will display the service counter.
5. Press and hold the “OK” or “Reset” button on the steering wheel until a confirmation message appears on the instrument cluster display.
6. Confirm the reset by selecting “Yes.”
7. Turn off the ignition by turning the key to the “OFF” position.

2007 – 2013 Models

1. Turn the key in the ignition to the “ON” position. Do not start the engine.
2. Press the “+” or “-” button on your steering wheel controls to navigate through the instrument cluster menu until you reach the “Service” or “Service Menu” option.
3. Press “OK” or “Reset.”
4. In the Service Menu, locate “Reset.”
5. Press “OK” or “Reset.”
6. A confirmation message will appear asking if you want to reset the service indicator. Confirm the reset by pressing the “OK” or “Reset” button again.
7. Turn off the ignition by turning the key to the “OFF” position.

2000 – 2006 Models

1. Turn the key in the ignition to the “ON” position. Do not start the engine.
2. Use the buttons on the steering wheel to navigate to the main menu on the instrument cluster.
3. Locate and select the “Service Menu” or “Service” option. It may be indicated by a wrench or tool icon.
4. Locate and select the “Reset Service Indicators.”
5. A confirmation message will appear asking if you want to reset the service indicators. Confirm the reset by selecting “Yes.”
6. Turn off the ignition by turning the key to the “OFF” position.

1993 – 1999 Models

The Mercedes-Benz C230 from 1993 to 1999 does not have a specific Service B reminder or reset procedure like the newer models.

NOTE: If you are unable to Reset the Service B notification on the first try, repeat the steps. If you are still unsuccessful, contact the dealership for assistance or consult your vehicle user’s manual.

What is Part of the Service B?

1. Oil change: The engine oil and oil filter are replaced.
2. Fluid checks: Fluid levels like coolant, brake fluid, power steering fluid, and windshield washer fluid are checked and topped up as needed.
3. Tire inspection: The tires are inspected for wear and inflation. They may also be rotated.
4. Brake inspection: The brake system, including pads, rotors, and fluid, is inspected for wear and performance.
5. Filter replacement: Air filters and cabin air filters may be replaced.
6. Visual inspection: A comprehensive visual inspection of the vehicle’s components, belts, hoses, suspension, and exhaust system to identify potential issues or signs of wear.