If you need to reset a check engine light, you can do so by disconnecting the negative battery cable or using an OBD II scanner. However, if you just learn how to reset your check engine light without fixing the initial problem, then the light will reappear instantly. Read on below. Our San Diego service team covers potential issues and solutions below, so you can reset your check engine light with confidence.
Almost all vehicles have check engine lights, designed to alert the driver to a range of common problems. If the check engine light happens to appear as you’re traveling to San Diego or Rancho Santa Fe, it indicates that the engine performance is decreasing due to a failing mechanism. Usually, the issue has to do with one of the following:
Keep in mind that the check engine light isn’t the only warning that might pop up on your dashboard. Before you try to reset it, explore our guide to the Mercedes-Benz maintenance schedule and make sure that any outstanding issues are resolved.
If you have an OBD II diagnostic scanner on hand, you can insert it under the steering wheel and quickly identify why the check engine light is on. As long as you know how to interpret the code, you can usually solve the problem by scheduling service or picking up what you need at our parts department. After the fix has been made, resetting the check engine light is as easy as one, two, three: Just insert the scanner again and press “clear” or “reset” to remove the code.
To reset a check engine light without a scanner, disconnect the negative battery cable and wait a few moments. This will reset the diagnostic system in your vehicle, and if the underlying issue has indeed been resolved, the light should go off immediately. Here’s how it’s done:
Contact us if you have any more questions on how to reset a check engine light. We’re happy to be a resource for all things related to service and maintenance. Ready to take on a more challenging task at home in San Diego or Del Mar? Check out our other DIY car care tips and tricks today.