Rentner
Check Engine light on in a Mercedes B-Class
(Translated from German)
Summary of the thread
A 2017 Mercedes B-Class owner reports a check engine light issue. A common cause could be a loose gas cap, which should be checked first. If the problem persists, using an OBD-II scanner to read error codes is recommended for more precise diagnosis and guidance.
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MERCEDES
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BKLASSE
CarlyMechanic
Start by checking the gas cap to ensure it's properly tightened, as a loose cap can trigger the check engine light. If the light remains on, consider using an OBD-II scanner to read the error codes for more specific guidance. Let us know what you find or if you need further assistance!