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How to Program the Key for the Mercedes B-Class?

Model: Mercedes Classe B W246, MK 2 - Years 2011-2019
Part: Key

To program the key for the Mercedes B-Class, insert it into the ignition barrel. Once inserted, connect a diagnostic tool to the OBD port located under the dashboard near the steering column. After connecting the scanner, select the car model and its corresponding version, following the instructions in the tutorial. At the end of the procedure, disconnect the scanner and check that the key has been programmed correctly.

Updated on 21 August 2026 by ScegliAuto

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