R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

Second row heat not blowing

Old Mar 8, 2026 | 08:08 AM
  #1  
VTBenz2004's Avatar
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2009 R350
Second row heat not blowing

I have a 09 R350 without the backseat heat control console. Ive tried every button up front and I can't seem to get heat to come out of the vents located on the console in the second row. There's heat from under the seats but nothing blowing from the upper vents. What would be the solution for this?
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Old Mar 10, 2026 | 09:15 PM
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Giancarlof's Avatar
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R350
Second row heat

I think the hot air does not blow through rear center vents. Check the vents under the seat.
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Old Mar 10, 2026 | 09:31 PM
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2009 R350
Originally Posted by Giancarlof
I think the hot air does not blow through rear center vents. Check the vents under the seat.
That is so odd, I am feeling the heat from under the seats. What purpose does the rear center console vents serve then?
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Old Mar 14, 2026 | 05:08 PM
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R350
The engineers figured passengers did not want hot air blowing towards their faces.
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