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Help! No air through vents

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Old Nov 4, 2024 | 02:21 PM
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EWEST24's Avatar
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Help! No air through vents

No air coming through vents any ideas to why? Fuses etc I want to see if I can do anything before I take it to a shop

Yesterday it was cold but weak today there is no air at all coming through vents even on the max fan speed maybe a faulty blower motor or regulator your guys thoughts?

2012 e350
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Old Nov 4, 2024 | 02:50 PM
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W212 MY'14 M276-3.5NA @75kMi
Originally Posted by EWEST24
No air coming through vents any ideas to why? Fuses etc I want to see if I can do anything before I take it to a shop

Yesterday it was cold but weak today there is no air at all coming through vents even on the max fan speed maybe a faulty blower motor or regulator your guys thoughts?

2012 e350
Yes, you got it !
Faulty overheated regulator by plugged up blower cabin filter.
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Old Nov 30, 2024 | 12:16 PM
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Originally Posted by EWEST24
No air coming through vents any ideas to why? Fuses etc I want to see if I can do anything before I take it to a shop

Yesterday it was cold but weak today there is no air at all coming through vents even on the max fan speed maybe a faulty blower motor or regulator your guys thoughts?

2012 e350
I have the same problem since I bought the car. After a while, air stops flowing through the vents. Both in the summer and in the winter. MB dealer unfortunately didn't help. If you manage to fix this, please desrcribe this here, I would be very thankful.

​​​​​​Mine is 2009 E550
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Old Nov 30, 2024 | 12:25 PM
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24 GLS580 '23 E450 4matic 12 E350 4Matic
Originally Posted by Xstudd
I have the same problem since I bought the car. After a while, air stops flowing through the vents. Both in the summer and in the winter. MB dealer unfortunately didn't help. If you manage to fix this, please desrcribe this here, I would be very thankful.

​​​​​​Mine is 2009 E550
Soetimes the directional flaps get stuck, try switching to defrost to see if it changes to that setting, wait a few minutes then change it to floor,
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Old Nov 30, 2024 | 07:01 PM
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W212 MY'14 M276-3.5NA @75kMi
Originally Posted by Xstudd
I have the same problem since I bought the car. After a while, air stops flowing through the vents. Both in the summer and in the winter. MB dealer unfortunately didn't help. If you manage to fix this, please desrcribe this here, I would be very thankful.

​​​​​​Mine is 2009 E550
believe it or not... Mercedes have more than one way to call for service.

At dome point your best bet will be to use an OBD2 scanner to diagnose your particular issue...

Last edited by CaliBenzDriver; Nov 30, 2024 at 07:12 PM.
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