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Old 09-04-2011, 10:03 PM
twinockchef's Avatar
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Join Date: Jun 2007
Location: Savoy, Texas
Posts: 353
Hairball has A/C

The years Texas summer is almost and I now have A/C.
I was able to locate a good interior unit. It is the correct blower/evaperator combo used in the 111 chassis. Don't ask what I paid $$$$. The unit needed to have the wood refinished and new leather on the surround. During which time I disassembled the unit and checked everything.

Here it is installed.

I used the compressor and its mounting bracket from my wrecked 108. The bracket needed some modifications for it to fit the intake manifold. Earlier when I rebuild the engine I changed out the pully, on the chrankshaft, to accommodate the extra belt for the compressor.

I installed the electrical and new hoses.

I had lost several weeks to a very basic mistake. I planned on using the condensor, drier, fan, and fan from my parts car. After some repair and powder coating it looked new. The mistake was I did first check to see if it fit. It is too big. So I picked up a after market brand. I fabricated a bracket.
At first I installed a 7 inch fan but soon discovered that it was too small. As you see I put in a large 14 inch fan.

For the fan there is a relay and a temp sensor switch.

i soon discovered that the introduction of the condenser put too much pressure on the radiator. A new fan clutch helped a lot but I still need a fan shroud.
To help with the cooling of the interior I tinted the windows. A big help and she looks cool from the outside.
Britton McIntyre

68 280 SE coupe 'Hairball'
70 280 SL
71 280 SEL - RIP May 2010
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Old 09-05-2011, 09:28 AM
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Join Date: Jan 2006
Location: Tucson, AZ
Posts: 4,550
Looks pretty good. I know a lot of people want to reuse the original stuff but frankly it is a big mistake. There's no point in using 30year old hardware with the newer systems and in fact they create the weakest links.

I am not being insulting but you are sure the electric fan is "pushing" the air through and not trying to "pull" it out when it's engaged? There's a reason I ask but I don't want to go into it.
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Old 09-05-2011, 11:07 AM
meltedpanda's Avatar
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Join Date: Mar 2003
Location: Central Ky
Posts: 6,130
that is a thing of beauty , good work
2011 Porsche Cayman - Bond,James Bond
99 E320 THE Queen Mary
62 220b - Dolly - Finally my Finny!
72 450SL, Pearl-SOLD
16 F350 6.7 Diesel -THOR
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Old 09-06-2011, 02:09 AM
twinockchef's Avatar
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Join Date: Jun 2007
Location: Savoy, Texas
Posts: 353
The fan is pushing, in unison, with the engine fan. Until, I put the condenser on I never had any problems with the cooling of the engine. The fan clutch was probably already not working properly. It just did not matter until now.
Also, since the A/C was not installed. I had not really driven the car during this years 109 degree Texas summer (yes it was a rough one for us this year, ask Ali). If I had driven it I probably would had a problem then. Remember, the radiator of the 111 chassis is smaller than the 108 chassis but the engines are the same 130 model.

Mike D
If you noticed the condenser, drier, hoses, wiring, relays, and the compressor are all new. The only original part if the interior unit which I feel has to be a match to the rest of the interior. Anything else would look like crap and that is not how I operate.
How can the original equipment be a weak link if everything has been tested and is in perfect working order?
As we all know most parts are still avalible OEM new. Now if my baby were a 68 Mustang or a Cadillac then yes I would agree that the old stuff would be the weak link and probaly cause problems. This is one of the reasons I love Mercedes. No one else comes close to their level quality and standards.
Sorry if I went a little off.
Britton McIntyre

68 280 SE coupe 'Hairball'
70 280 SL
71 280 SEL - RIP May 2010

Last edited by twinockchef; 09-06-2011 at 02:23 AM.
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Old 09-07-2011, 08:23 PM
Tony H's Avatar
Join Date: Oct 2005
Location: Bandon, Oregon
Posts: 1,050
BEHR unit

If I am not mistaken the BEHR unit was installed on the low grill coupes. The earlier cars had the Frigiking unit. I think the BEHR unit looks much nicer though. How did you find a BEHR unit? I bought one several years ago and it was difficult to find (or should I say to pay for)

BTW Drew at Heritage woodworks has new knobs (aluminum) the green/red crescents and the BEHR emblem. I bought some a while back and they are extremely high quality. I can't see what condition yours are but mine were trash when I got the unit.
Tony H
111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux-Dad bought new

Last edited by Tony H; 09-07-2011 at 08:29 PM. Reason: forgot something
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Old 09-08-2011, 02:38 PM
twinockchef's Avatar
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Join Date: Jun 2007
Location: Savoy, Texas
Posts: 353
I agree the Behr unit looks best. It does restrict leg movement some. I found it on line. It was not cheap. Everything was in excellent condition, except the wood. The knobs and crescents were great.
Britton McIntyre

68 280 SE coupe 'Hairball'
70 280 SL
71 280 SEL - RIP May 2010
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Old 09-14-2011, 04:30 PM
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Join Date: Nov 2004
Location: Dallas, TX
Posts: 5,007
Well done do you not have a fan shroud on the car right now? I think I may have a W109 shroud lying around that could work.
With best regards


Check out the W114, W115 enthusiast website.

Join the Mercedes W108 group

My 280SL restoration
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