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How to Reset the Service Light on a Mercedes W205

Model: Mercedes Classe C W205 - Years 2014-2021
Part: Warning light – error code

This video tutorial shows the procedure to reset the service light on a Mercedes C-Class W205. To perform the reset, first turn on the ignition without starting the engine. Then, press the square button located on the left side of the steering wheel for 3 to 5 seconds. This will open the menu. Once the menu is open, scroll to 'Assyst Plus.' After selecting it, press the ignition button, and the service option will appear, allowing you to reset the service light. The procedure takes little time to complete.

Updated on 27 August 2026 by ScegliAuto

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