C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

who uses tunnel mode?

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Old May 30, 2003 | 11:02 AM
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who uses tunnel mode?

im amazed how many functions are in mb cars that dont get used.
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Old May 30, 2003 | 11:05 AM
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We use it, but not in tunnels. It's handy when we're stuck behind a car that's belching out lousy exhaust.
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Old May 30, 2003 | 11:06 AM
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I use it sometimes. Especially when it's hot outside and I need to open the windows and roof to let the air out first. Then I use it to close everything.
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Old May 30, 2003 | 11:58 AM
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I use it to close the sunroof and the windows in a parking garage or on my driveway. Very convenient.
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Old May 30, 2003 | 12:03 PM
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I usually drive around with the windows up so never really had a reason to use it. However, I tried it for the first time last week just to see if it worked.

It did.

- BT
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Old May 31, 2003 | 10:51 AM
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hmn1 & vadim

thats not tunnel mode. recirculate button, hold it down.
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Old May 31, 2003 | 02:13 PM
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Re: hmn1 & vadim

Originally posted by Damian L
thats not tunnel mode. recirculate button, hold it down.
Yeah it is...I use it to close the windows and moonroof too when behind a smog-spewing truck or when I am about to park.
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Old May 31, 2003 | 03:04 PM
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i dont usually drive with the windows open while the HVAC is still running, and even if it was activated, instead of wasting 4 seconds holding down the tunnel mode button (recirc).. yes, four seconds.. mine is a bit iffy that way, I just take my left hand and pull up all four windows using the driver side controls.. one finger for each control (wait.. that's only four fingers.. er... )

that would take less than a 1 second to auto-up all four. i dont have a sunroof anyway
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Old May 31, 2003 | 03:19 PM
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it figures you have no roof. HVAC doesn't NEED to be on.
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Old May 31, 2003 | 04:03 PM
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Originally posted by Damian L
it figures you have no roof. HVAC doesn't NEED to be on.
is that how it works? recirc/tunnel mode works w/ HVAC off if there's a sunroof?
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Old May 31, 2003 | 05:32 PM
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Re: hmn1 & vadim

Originally posted by Damian L
thats not tunnel mode. recirculate button, hold it down.
Exactly! that's what I do.
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Old May 31, 2003 | 05:37 PM
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Originally posted by Damian L
it figures you have no roof. HVAC doesn't NEED to be on.
In my 2002 Coupe, it does have to be on, otherwise nothing happens. If I happen to have it off when I need to close the windows and the roof, I simply turn the blower control knob a little, then press the recirc button for 2 sec, and as soon as the thing begin moving, turn the blower off again - you don't have to keep it on while the windows/sunroof are closing.

Last edited by vadim; May 31, 2003 at 05:47 PM.
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Old May 31, 2003 | 06:34 PM
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when smokes starts entering the cabin, i either click the recirculation button or the activated charcoal button...vola all windows close and the sunroof closes. Click it again, all windows and the sunroof go back to the exact opened position (I remembered it did, I hope)
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Old May 31, 2003 | 06:57 PM
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Originally posted by brianhn1
when smokes starts entering the cabin, i either click the recirculation button or the activated charcoal button
Where on earth are you driving?

Sometimes I'm a bit too late hitting "tunnel" so some unpleasant stuff gets stuck inside for a short time (no charcoal filters in our 230).
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Old May 31, 2003 | 07:04 PM
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Originally posted by jpb5151
Where on earth are you driving?

Sometimes I'm a bit too late hitting "tunnel" so some unpleasant stuff gets stuck inside for a short time (no charcoal filters in our 230).
I'm pretty sure he meant pot smoke
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Old May 31, 2003 | 07:14 PM
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Re: Re: hmn1 & vadim

Originally posted by JeT
Yeah it is...I use it to close the windows and moonroof too when behind a smog-spewing truck or when I am about to park.
...i believe some people think "tunnel mode" refers to using the recirc button to close THEN re-open windows and sunroof (if exists)
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Old May 31, 2003 | 08:04 PM
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Re: Re: Re: hmn1 & vadim

Originally posted by pokerFACE
...i believe some people think "tunnel mode" refers to using the recirc button to close THEN re-open windows and sunroof (if exists)
Not too many tunnels around here.

It works nice for closing everything at once when you part the car.
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Old Jun 1, 2003 | 01:32 AM
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Is there anyway to re-program the electonics so the Sunroof also closes and opens during the Tunnel mode sequence? That is annoying.. If i am going to have my windows down, then the sunroof would natuarally be open as well.
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Old Jun 1, 2003 | 01:56 AM
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Originally posted by kermit
Is there anyway to re-program the electonics so the Sunroof also closes and opens during the Tunnel mode sequence? That is annoying.. If i am going to have my windows down, then the sunroof would natuarally be open as well.
Yes, there is. Run a search in this forum, you'll find the proper thread. I had mine done a month ago at my dealer for free.
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Old Jun 1, 2003 | 02:31 AM
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Re: Re: Re: hmn1 & vadim

Originally posted by pokerFACE
...i believe some people think "tunnel mode" refers to using the recirc button to close THEN re-open windows and sunroof (if exists)
That is exactly what "tunnel mode" is. It closes the windows and roof when the recirc button is pressed for two seconds.
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Old Jun 1, 2003 | 10:23 AM
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lynn.. so when i use the feature to merely close my window, then what do you call it?
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Old Jun 1, 2003 | 11:26 AM
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Does it really matter what you call it? It does the job!
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Old Jun 1, 2003 | 01:51 PM
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Originally posted by pokerFACE
lynn.. so when i use the feature to merely close my window, then what do you call it?
I'll still call it tunnel mode. The manual calls it convenience mode. Maybe you can call it apple pie ala mode.
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Old Jun 1, 2003 | 05:35 PM
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I think someone said it takes 4 seconds to bring up all windows so it was easier to just do it manualy. Either way is good but the reason i like the feature is when im pimping the car. U know when u have all 4 windows half down, sun roof up, then u have to close everything so u do,but when u open it back up it goes to the exact location. Pretty cool feature. I just wish when you turn your car off and back on it will also remeber the last window setting but it doesnt.
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Old Jun 1, 2003 | 10:10 PM
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Originally posted by BenzC240
I think someone said it takes 4 seconds to bring up all windows so it was easier to just do it manualy. Either way is good but the reason i like the feature is when im pimping the car. U know when u have all 4 windows half down, sun roof up, then u have to close everything so u do,but when u open it back up it goes to the exact location. Pretty cool feature. I just wish when you turn your car off and back on it will also remeber the last window setting but it doesnt.
i did.. because mine doesnt work all the time
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