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Service Reset on a 2019 Mercedes-Benz B-Class

Model: Mercedes Classe B MK 3, W247 - Years 2019-2026
Part: Warning light – error code

Today, we will see how to perform the service reset on a Mercedes-Benz B-Class, model W247, produced from 2019 onwards. The operation is very simple and can be done independently in just a few seconds after changing the engine oil in the vehicle. Let's go through the procedure. Start by turning the ignition to the first position, then open the information display menu and enter the "Settings" option to select "ASSYST PLUS". After that, turn the ignition to the second position, then select "Full Service", "Confirm Service", and finally choose the grade of oil used for the service before confirming the operation.

Updated on 22 August 2026 by ScegliAuto

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