Central vents, blue control wheel?

ChrisPidwell

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Your Mercedes
E270 CDI Avantgarde W211
On my E270CDI Avant, W211, there is a central roller switch with divisions of blue on it.

The manual says its the cold air vent roller? What does this mean? I have tried the a/c on and off and both settings with this roller switch fully up and down. There seems to be no difference?

Any suggestions?
 

television

Always remembered RIP
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Your Mercedes
2002 SL500, 216 CL500, all fully loaded
Is not the top center vent always the cold fresh air coming in only
 
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C

ChrisPidwell

Senior Member
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Jul 2, 2009
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Your Mercedes
E270 CDI Avantgarde W211
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So when on, it allows codl fresh air in through any vent that happens to be open?

By the way. Re an earlier post regarding suspension low ride height warning. The car was fully loaded with camping gear, no more room on top or in car. I mean fully loaded. Handled fantastically, pulled really well, no blip alarms going off. suspension raised itself nicely when ignition switched on. Just one blip when I went over a speed beep swuare on, all four wheels.
 

television

Always remembered RIP
Joined
Mar 14, 2005
Messages
164,073
Reaction score
331
Age
86
Location
Daventry
Your Mercedes
2002 SL500, 216 CL500, all fully loaded
So when on, it allows codl fresh air in through any vent that happens to be open?

By the way. Re an earlier post regarding suspension low ride height warning. The car was fully loaded with camping gear, no more room on top or in car. I mean fully loaded. Handled fantastically, pulled really well, no blip alarms going off. suspension raised itself nicely when ignition switched on. Just one blip when I went over a speed beep swuare on, all four wheels.

Thanks for the update
 

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