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#1
10-25-2007, 04:43 PM
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W123 280E Air Intake Tube
My 280E doesn't have the tube that ran from the air cleaner to the front of the car.
I was wondering if this may affect fuel ecomony as well as it's drawing hotter air and therefore less air mass? I don't think this system has an intake air temperature sensor or a mass air flow sensor , does it? Sorry for all the silly questions. Just trying to sort out my new toy. 
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Tony 76 W116 280SE 74 W107 450SLC 88 W124 300E 82 W123 280TE 
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#2
10-25-2007, 07:02 PM
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I am guessing you have a 1977, the only year the 280E used the monster intake hose. I agree with your senario of air mass, but I doubt the fuel economy difference is much. To the other questions, you are right - no sensors.
I have a '77 as well, and was able to replace the OEM air scoop thru the dealer for $20. I am considering 2 OEM plastic air intake hoses for a 300D. The idea is to run one straight to the area of the right-front shock-mount, connect to an L, possibly exhaust tubing attached to the wheel well, and continue from the L with the 2nd plastic hose to the air scoop. I have been told that the ID of the 300D hose is basically the same as the old monster hose, which is now close to $90 and looks like hell.
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#3
10-25-2007, 08:41 PM
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Actually, no. I have a '79 so it seems it is not supposed to have one. I've only just bought the car and it looked like there was something missing down next to the radiator, so I assumed that was the big old air intake.
Seems, I assumed wrong!  Many thanks for the information.
__________________
Tony 76 W116 280SE 74 W107 450SLC 88 W124 300E 82 W123 280TE
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#4
10-26-2007, 12:56 AM
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The '79 model uses the same air-filter housing, but with a snout about 10" long from the front of the housing reaching to just to the left of the radiator.
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#6
10-26-2007, 04:24 PM
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Your filter sounds very interesting. How about posting a photo.
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