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How to Reset the Engine Light on the Smart?

Model: Smart Smart 451 - Years 2007-2015
Part: Warning light – error code

To reset the engine light on the Smart, you need to use a scanner to identify what the light refers to, as this is a light that indicates a generic problem. Therefore, once the problem has been identified, you need to resolve it by replacing or fixing the damaged component. Once the issue has been resolved, reconnect the scanner to the OBD port of the vehicle, located below the steering column. This will allow you to select the model of the car in question and proceed to reset the light following the instructions.

Updated on 15 July 2026 by ScegliAuto

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