Keeping automatic temperature setting in the smart
Here in Florida the temperature fluctuates a lot and when you go into a store and come out a 1/2 hour later the car will be hot. So......you must adjust the fan speed again. Automatic means automatic! As much as I love my little car, there is no Automatic A/C.
My other car with a real automatic feature is set at 72 degrees for example and I never touch the controls except in the cool morning hours when I push the Economy(compressor) button to off, otherwise the blower motor adjusts itself to keep a consistent temperature. Even the cheapest car has a temperature adjustment... but that's not to be called automatic.
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I have discovered in the mean time that there is a grain of truth to the automatic temperature control and that while the fan speed is purely manual the mixing of recycled air to fresh air is automatic.
This means that when the interior temperature is satisfied the vents will start to introduce fresh air and the rushing sound of recycled air is over. Until the cabin needs more cooling this will remain so. It pleasantly surprised me that this happens.
Last edited by HGB; 03-23-2008 at 06:20 PM.
Reason: Modify Statement
Oh No, climate control should be just that, set the teamperature and dependent of the temperature differential the power of the fan should be regulated by the cars computer, duh. I am sooooooo excited for this car. But too many nuances that were not disclosed in detail upfront are becoming an annoyance. The Fan is a integral part of cooling the car, to an MB engineer this is elementry.
Here in Florida the temperature fluctuates a lot and when you go into a store and come out a 1/2 hour later the car will be hot. So......you must adjust the fan speed again. Automatic means automatic! As much as I love my little car, there is no Automatic A/C.
My other car with a real automatic feature is set at 72 degrees for example and I never touch the controls except in the cool morning hours when I push the Economy(compressor) button to off, otherwise the blower motor adjusts itself to keep a consistent temperature. Even the cheapest car has a temperature adjustment... but that's not to be called automatic.
This is what I thought. There seems to be nothing automatic, or automated about it. From what I read and see it is no different than the system in my TDI Beetle. Although it works very well, it is simply not automated, and therefore should not be called that. I don't mind adjusting it, by why advertise something that you are not getting?
What seems to be automated is the temperature mix of the air. While most non-automatic systems just allow you to mix the amount of heated/cooled air vs outside air, this unit will adjust the mix to maintain the temperature you set it at. In the non-automatic units the mix needs to be changed based on the outside air temperature. This one does not require that from my experience. While it would be nice if the fan adjustment, and whether it needed ac or not to be on, would be nice, this is better than the standard units.
I was under impressed with the system when I looked at it more closely, but then I am coming from a Towncar where you have buttons and a digital readout.
It will take some adjusting for me, but it looks fairly simple.
The fan DOES have an auto setting... Its got numbers 1-4 and in the middle of the numbers is just a picture of a fan; choose it and it speeds up and slows down on its very own to keep the temperature..
I live in Florida where its been around 95 degrees daily and I keep it at a very comfortable 75(ish)... At first you can barely have a conversation because the fan is so MIGHTY, but then in order to maintain temperature, you dont even know its on!
The picture of the fan corresponds to a setting of "2." The loud noise you hear when the AC first starts is not the fan automatically changing speed, but the recirculation kicking on initially and kicking off when the temperature is happier.
If you press the recirc button to turn the recirculation "on" you'd find no change in this loud fan noise; hit the button again and the recirc turns off and the fan is much quieter.
When I was driving with AC in the 112 degree heat on the way to San Francisco, the recirculation would kick in and out as the system deemed "appropriate." This was not fan speed adjustment.
I, for one, do not appreciate a system that engages functions (AC or Recirc) without indicating to the driver that these functions have been automatically turned on. It's just rude.
What does the owners manual say about how the heat/ac operates????
Has anyone read the manual for controls???
About the Owner's Manual:
it's available at the upper left corner of this very same page, under the "Site Navigation" menu (click on the downward arrow if it's hidden), in the "Helpful Links" sub-menu.
Heat and AC starts at page 145.
It was posted earlier that the dark "eye" at the bottom of the "Air Distribution Control" dial, that black looking dot located half way between "head" and "feet", is actually a proximity sensor that mesures the temperature of the air coming out from the vent.
So, the system doesn't actually sets the temperature according the the ambiant air in the cabin, but according to the air flow coming into it.
When I first got my car, when I changed the temperature adjustment from the lowest point to the highest point (with the A/C turned off), the air coming from the vents became progressively warmer, as it should be. In the last few days though, it's blowing cool air until the very top (hottest) position at 80 degrees, and then it's super heated air! Has anyone else had this problem? It seems that the adjustment or cable might have slipped or something, because now the range is off!
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