Q
will mercedes check engine light reset itself
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
The Check Engine Light (CEL) on a Mercedes, like in most modern vehicles, is designed to illuminate when the onboard diagnostics system (OBD-II) detects a malfunction or irregularity in the engine or emissions system. While minor issues might cause the light to turn off once the problem is resolved (for example, a loose gas cap), most of the time, the CEL will not reset itself immediately after a fault is corrected. It usually requires either a certain number of driving cycles without the fault recurring for the system to automatically turn off the light or the use of an OBD-II scanner to manually reset the system. If the light came on due to a serious issue, simply correcting the fault will not reset the light; diagnostic equipment will likely be needed to clear the fault codes from the system. It is important to address CEL warnings promptly to avoid potential damage to your vehicle. If the light remains on, it's advisable to have a professional diagnose and rectify the issue.
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