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How to Reset the Maintenance Light on Mercedes B-Class W246

Model: Mercedes Classe B W246, MK 2 - Years 2011-2019
Part: Warning light – error code

To reset the service light on the Mercedes B-Class W246, do the following: Insert the key into position 1. After doing this, the dashboard will light up and the car will display the total mileage. At this point, press the call button and the OK button for three seconds. After three seconds, the car will display the submenu; scroll down using the down arrow button to 'Maintenance' and confirm with the OK button. Next, scroll to the last entry indicating 'Full Service', select it with OK, and the car will ask if the oil temperature is correct; confirm with OK and the car will reset the service light. To check if the reset was successful, turn off and then turn on the ignition.

Updated on 20 May 2026 by ScegliAuto

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