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    4. : What does the yellow engine warning light mean on my Mercedes A-Class?

What does the yellow engine warning light mean on my Mercedes A-Class?
Years 2012-2018

Answer

In your Mercedes A-Class, the yellow engine failure warning light indicates the presence of a malfunction (even if not serious) in the engine, exhaust or fuel system. This anomaly can be caused by various elements such as a faulty sensor, a faulty spark plug, a fault in the lamda probe, etc.
Posted on: 21 July 2022 by ScegliAuto

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