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Frequently asked questions about cars and motorcycles

How to Reset the Engine Warning Light on the Mercedes Class B W246

Model: Mercedes Classe B W246, MK 2 - Years 2011-2019
Part: Warning light – error code

In this video, you will see the procedure necessary to reset the engine warning light, mainly due to a mechanical fault in the vehicle, on the Mercedes Class B W246 (second generation). First, get in the vehicle and turn on the ignition; then connect your diagnostic tool to the OBD port of your vehicle. At this point, select the make and model of the car and perform a scan for errors; once you identify the issue related to the warning light, you can proceed to reset it: this way, you will see the engine warning light turn off immediately.

Updated on 25 April 2026 by ScegliAuto

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