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  #1  
Old 10-12-2003, 10:11 PM
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85 300D Defroster blows full blast

I'm fairly sure that this is the way it should be but is there any way to rig the defroster to blow lower speeds (i.e. use the fan button to adjust the speed). It's too annoying to drive during the rainy season with the defroster on all time because it's blowing on high speed, but the windshield keeps fogging up otherwise.
Any suggestions would be greatly appreciated.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #2  
Old 10-12-2003, 10:15 PM
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Just use the "UP" airflow button (arrow facing "up" is solid white, arrow facing down is only outlined in white), then you can adjust the speed and temp in the normal way.

Gilly
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  #3  
Old 10-12-2003, 10:22 PM
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Maybe try the Rain-X which is formulated to reduce fogging (it's applied to the inside). I wonder how well it works...
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  #4  
Old 10-14-2003, 10:42 PM
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Quote:
Originally posted by Gilly
Just use the "UP" airflow button (arrow facing "up" is solid white, arrow facing down is only outlined in white), then you can adjust the speed and temp in the normal way.

Gilly
I thought this only provided airflow to the upper (round) dash vents and had nothing to do with the defroster vents and that the button with two solid arrows provided air to the foot wells in addition.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #5  
Old 10-14-2003, 10:49 PM
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No, I don't believe that's true. Check your owners manual or better yet try it.

Gilly
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  #6  
Old 10-14-2003, 10:55 PM
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the defrost rain x stuff works good. I live in califonia so we have mild winters, i am not sure how it would work in extreme winter areas.
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  #7  
Old 10-15-2003, 09:14 PM
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Quote:
Originally posted by Gilly
No, I don't believe that's true. Check your owners manual or better yet try it.

Gilly
I tried it morning and it didn't work, no air blew from the windshield vents. I guess I'll just have to use the defroster button which blows like a hurricane.

Quote:
Originally posted by luckys420
the defrost rain x stuff works good. I live in califonia so we have mild winters, i am not sure how it would work in extreme winter areas.
I have a bottle of the stuff from when I lived in CA. I'll give it a shot and see if it stands up to a NW winter.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #8  
Old 10-15-2003, 10:30 PM
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Hi
I forgot, on my 123 chassis cd roms they have an owners manual on the disc, so I checked it out. The owners amnual they use actually is a 85 300D manual, so should be just like yours.
On page 31 it says to use the button with the up AND down in solid white for normal defogging. If you get no airflow out of the defogger vents in this position you have a problem.

Gilly
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  #9  
Old 10-15-2003, 10:40 PM
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I didn't realise that you could push two buttons at once on the panel. I have the actual owners manual, maybe I should have read it more carefully. I will read it next and hopefull it'll work. I'll give it a try tomorrow morning.
Thanks!
DJ
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #10  
Old 10-15-2003, 10:49 PM
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NO, not 2 buttons. The ONE button that has the 2 (solid) white arrows, one pointing up, one pointing down.

Gilly

PS LOOK at the owners manual, page 31, it's explained there and a picture of the button
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  #11  
Old 10-15-2003, 11:02 PM
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Just read it. Interestingly though, it says to reset it to one of the other settings as soon as possible.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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  #12  
Old 10-15-2003, 11:19 PM
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Yeah, I noticed that too. No idea whats up with that.

Gilly
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  #13  
Old 10-15-2003, 11:38 PM
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I was hoping that I could just leave it on that setting and not have to keeping pushing anymore buttons as I drive. I'm just trying to keep the distractions at a minimum and my eyes on the road. Well there's one small drawback in owning this Benz. I don't think I'll be driving this car when the roads start getting icy anyway. No 2nd gear starts and no ABS. Very likely I'll be back to driving the SUV fairly soon.
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