2003 Mercedes-Benz C320 4MATIC Q&A

2003 Mercedes-Benz C320 4MATIC Question: gas cap not closing c320

gas cap not closing c320 -
Answer 1
Gas caps on these models will make a clicking sound when properly tightened. This may be deceiving because you will still be able to turn the cap. If the cap does not properly seal it will trigger a check engine light and may need to be replaced. -