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How to Reset the Service Light on a Mercedes-Benz B-Class?

Model: Mercedes Classe B W245, MK 1 - Years 2005-2011
Part: Service warning light

In this tutorial, you will learn how to reset the service light on a Mercedes-Benz B-Class, a very simple and quick operation to perform only after completing all required scheduled maintenance tasks. Start by inserting the key and turning on the ignition. Then, press the left button on the dashboard three times consecutively to access the screen displaying the battery voltage. Next, press the down arrow button, enter "Confirmation", then "Full service", and wait for the procedure to complete. Finally, restart the vehicle to ensure the reset was successful.

Updated on 8 September 2026 by ScegliAuto

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