Mercedes-Benz ML350 gas flap will not click closed despite gas cap being secure on Mercedes-Benz ML350

Some Mercedes-Benz ML350 owners report experiencing issues with the gas flap not clicking closed despite the gas cap being secure. This problem may stem from a malfunctioning fuel door lock mechanism, as some models utilize an electric lock that, if the actuator fails, can prevent the door from closing properly. Additionally, owners have noted that a broken latch, a faulty spring, or misalignment could be responsible for the fuel flap not staying closed. It is recommended that owners inspect the latch mechanism for damage or debris and consider if the spring needs replacement. If these issues persist, further inspection or professional assistance may be necessary to resolve the problem.