S-Class (W223) 2021 to Present

'tunnel' mode?

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Old Jan 23, 2026 | 12:11 PM
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'tunnel' mode?

anyone know if w223 has 'tunnel' mode (pausing air circulation) given all its controls are on-screen, no mechanical controls?
i should go try it, but car's cozy in garage getting ready for blizzard here in northeast.
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Old Jan 23, 2026 | 12:19 PM
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You just tap the air recirculation button like in every other car. The climate controls are always visible on the screen.



Last edited by superswiss; Jan 23, 2026 at 12:27 PM.
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Old Jan 23, 2026 | 02:35 PM
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I think the OP was referring to the tunnel mode on the W222 where you press and hold the recirculation button for a few seconds and the car closes all windows and sunroof plus the recirculation mode.
I haven't tried it on the W223, so not sure if this works on our cars.
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Old Jan 23, 2026 | 02:51 PM
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Originally Posted by nearwater4me
I think the OP was referring to the tunnel mode on the W222 where you press and hold the recirculation button for a few seconds and the car closes all windows and sunroof plus the recirculation mode.
I haven't tried it on the W223, so not sure if this works on our cars.
correct..thank u!
does the w223 do that?



Last edited by tonupbklyn; Jan 23, 2026 at 02:52 PM.
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Old Jan 23, 2026 | 02:51 PM
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I've tried pressing/holding the recirculation button n my 2022 V223 S 580 and it doesn't close all the windows/sunroof.
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Old Jan 23, 2026 | 03:03 PM
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Originally Posted by nearwater4me
I think the OP was referring to the tunnel mode on the W222 where you press and hold the recirculation button for a few seconds and the car closes all windows and sunroof plus the recirculation mode.
I haven't tried it on the W223, so not sure if this works on our cars.
Gotcha! Didn't even remember this existed.
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Old Jan 23, 2026 | 05:15 PM
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This might be the feature that was disabled in North American MBs just like auto close sunroof when rain sensor sensing rain I think.
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Old Jan 24, 2026 | 02:31 AM
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Originally Posted by W205C43PFL
This might be the feature that was disabled in North American MBs just like auto close sunroof when rain sensor sensing rain I think.
According to our (European) manual, the tunnel mode indeed works from the button superswiss posted. But this button may have been changed to something else depending on options, or for plug-in hybrid, not sure about mild hybrid. After a quick manual search I did not find where air circulation is controlled e.g. on a plug-in hybrid.
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Old Jan 24, 2026 | 09:48 AM
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Originally Posted by Diesel Benz
According to our (European) manual, the tunnel mode indeed works from the button superswiss posted. But this button may have been changed to something else depending on options, or for plug-in hybrid, not sure about mild hybrid. After a quick manual search I did not find where air circulation is controlled e.g. on a plug-in hybrid.
I see but even in previous MBs, pressing and holding recirculation in the North American market MBs don't do anything I guess it is a regulation issue in that case.
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