Hi all. I know this is not normal but would like to check here first. My A/C is currently inop due to low freon charge so no cooling in the cabin. What worse, the driver's foot area becomes very warm during driving. The climate control system is off and no heat should be going into the cabin but there is. It seems that the entire transmission tunnel is warm to the touch. Is this normal? Anyone have any experiences in this area and found a fix? Thanks!

Try putting your car year make and model into your sig...so we have some clue what vehicle this is.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

I'm going to take a wild guess and say that he has a 1990 129 SL.... am I getting warm yet?

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Check the exhaust. There should probably be a heat shield there. My friend's '72 280SEL 4.5 did the same thing when he had an exhaust leak in that area.

Thanks
David

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2000 Honda Accord V6 137k miles

1972 300SEL 4.5 98k miles

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Almost as hot as my legs get when driving with shorts.

Anyway, yes it is a 1990 300SL. I'll check the exhaust system this weekend and see if that's the problem.