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How to Reset the Check Engine Light on a Mercedes-Benz C-Class?

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

The check engine light that appears on the instrument cluster of the Mercedes-Benz C-Class indicates that a generic problem has occurred in the vehicle's fuel injection system: you can identify the issue by performing a diagnosis. Therefore, connect a diagnostic tool to the vehicle's OBD port, located at the lower left of the steering column: once the scanner is connected, you can determine the cause of the problem and proceed to resolve it. This way, you will notice that the check engine light will disappear from the instrument cluster, allowing it to be turned off.

Updated on 13 August 2026 by ScegliAuto

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