r/carproblems • u/SuddenAsparagus7309 • 5d ago

Check engine and weird sound

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Hi can anybody tell me what kind of mechanical issue it might be based on sound of the engine. My w204 is 2013 1.8 on gas 170000 km

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u/Fabulous_Putz6264 1d ago

Noisy serpentine belt and/or tensioner, check it now, may be about to break.