Mercedes Benz B Class Service A B Reset Procedure Without a Scan Tool!

Mercedes Benz B Class Service A B Reset Procedures:

2015

1. Close all doors, hood, and trunk lid and turn the ignition to position I (ACC)
2. Press HOUSE button located on the left of the steering wheel repeatedly until the menu item TRIP is highlighted in the multi-function display
3. Press the OK button within 5 seconds
4. Press and hold PHONE button and then within 1 second press and hold down the OK button
5. Hold both buttons for 5 seconds or until you see “Vehicle data Dynamometer Test Change Brake Lining ASSYST PLUS and Head-up Display” on the screen
6. Press the DOWN arrow repeatedly until ASSYST PLUS is highlighted and then press the OK button
7. Press the DOWN arrow to highlight FULL SERVICE and press the OK button
8. Press the DOWN arrow repeatedly until CONFIRM SERV is highlighted and then press the OK button
9. Select the engine oil used with the UP arrow and then press the OK button
10. Use the DOWN arrow to scroll to YES and then press the OK button
11. Use the DOWN arrow again to highlight CONFIRM and then press the OK button
12. The display will then show “Full service completed”
13. Press the BACK button repeatedly to get back to the standard display
14. Turn the vehicle to the OFF position and back ON to confirm the reset is complete

2012-2014

1. Close all doors hood and trunk lid and turn the ignition to position I (ACC)
2. Use the UP and/or DOWN buttons to scroll through the information center to display the mileage/kilometer counter
3. Press the FORWARD and/or BACK buttons repeatedly until the menu item Trip with highlighter is shown
4. Press and hold the accept/end PHONE button within 5 seconds of showing the Trip screen and within 1 second also press and hold the OK button
5. Hold both buttons for about 5 seconds until the Workshop menu is displayed
6. Use the UP and/or DOWN buttons to highlight Assyst Plus and press OK
7. Use the UP and/or DOWN buttons to highlight Full Service or Due Services and press OK
8. Use the UP and/or DOWN buttons to highlight Confirm Serv or Complete Service and press OK
   *NOTE: Some models will not have steps 9-11 in which case skip to step 12
9. Use the UP and/or DOWN buttons to select the specification of oil used for service and then press OK
10. Use the UP and/or DOWN buttons to highlight Yes and press OK
11. Use the UP and/or DOWN buttons to highlight Confirmation and press OK
12. Once Full Service Carried Out appears in the display press OK and then BACK button repeatedly to return to standard screen

 
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