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Why is there no air coming out of the Mercedes-Benz air vents?

1 Answers

AdelynDella

07/30/25 10:54am

There are two possible faults when there is no air coming out of the Mercedes-Benz air vents: 1. Blower motor failure: As the core component of the air conditioning system, if the blower motor fails, it will definitely result in no air output. Possible causes of blower motor failure include overheating damage to internal coils or capacitor failure. Car owners can check for this fault by turning the air conditioning fan speed and air volume to maximum and listening for any unusual sounds from the blower motor. 2. Air filter failure: A clogged air filter is the most common cause of no air output. Outside air passes through the air filter before entering the cabin, and the filter can easily accumulate debris from the air. The air filter can be removed for inspection. If it is not too dirty, clean it with an air gun and reinstall it to check if the air vent issue is resolved.

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