That was one of the biggest joys of my 300SDL

Pete



WILTON wrote:
Both of mine stay ON and in AUTO all the time; 'hardly ever touch the temp wheel; 'let the system maintain the temp and operate whatever part of the system it needs. 'Course, I live in an area of climate/weather where this may be more appropriate than many.

Wilton

----- Original Message ----- From: "Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC,53310" <meade.m.dil...@navy.mil>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Friday, September 18, 2009 2:33 PM
Subject: Re: [MBZ] Compressor death from lack of use?


I know that the 124 owner's bible says something about using the AC one
or twice during the cool months in order to exercise it,  but year-round
use seems like overkill.

Max

-----Original Message-----
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of OK Don
Sent: Friday, September 18, 2009 2:19 PM
To: Mercedes Discussion List
Subject: Re: [MBZ] Compressor death from lack of use?

The MB owners manuals that I've read tell you run the AC year round to
keep the compressor in good condition --- so I asume that letting it sit
would do the opposite.

On Fri, Sep 18, 2009 at 10:15 AM, andrew strasfogel
<astrasfo...@gmail.com>wrote:

I assume you are just talking about the compressor, not other
components of the AC system...

On Tue, Sep 15, 2009 at 4:57 PM, Peter Frederick <psf...@earthlink.net
>wrote:

> Yup.  Mineral oil, sitting in air, things can rust.  You end up with

> leaking reed valves, therefore low high side pressure.
>
> Peter
>
> -----Original Message-----
> >From: andrew strasfogel <astrasfo...@gmail.com>
> >Sent: Sep 15, 2009 4:17 PM
> >To: Mercedes Discussion List <mercedes@okiebenz.com>
> >Subject: [MBZ] Compressor death from lack of use?
> >
> >When restoring my 1970 280SE coupe back in 1992, I had the old
> >Frigiking
> AC
> >blower unit removed and installed (but never wired in) a period
> >Behr AC purely for looks.  The AC system has been nonfuncitonal and

> >devoid of
> freon
> >for the past 17 years.  A month ago I decided to wire in the Behr
> >blower unit, and had my mechanic charge the system, convert to
> >R134, and test
it.
> >He says the compressor is "weak"; I only get tepid air at all
settings.
> >
> >My question is whether merely sitting without running all these
> >years
> would
> >ruin the compressor.  Everything else works (I of course replaced
> >the
> drier
> >bottle).
> >
> >Andrew
> >1970 280SE 3.5
> >+ 3 W123 turbodiesels
> >-------------- next part --------------

--
OK Don
CONSERVATIVE, n.  A statesman who is enamored of existing evils, as
distinguished from the Liberal, who wishes to replace them with
others.
The Devil's Dictionary
Ambrose Bierce


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