W205 Service Menü [2021] -

Use the left touch-pad to navigate to the "Trip" menu and ensure the odometer is visible.

Once inside, you can navigate through several diagnostic and service options: w205 service menü

If "long piece" refers to the used by mechanics (via the OBDII port), this requires a specialized diagnostic tool (Mercedes XENTRY, Vediamo, or DTS Monaco). Use the left touch-pad to navigate to the

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