SL/SLC-Class (R107) 1971-1989 : 250SL, 280SL, 450 SL, 380 SLC, 450 SL, 380 SL, 560 SL

SL/R107: climate control schematic

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Old Mar 3, 2007 | 05:33 PM
  #1  
David M's Avatar
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'79 450sl
Question climate control schematic

RE: '79 450sl (107) Climate Control schematic...

As you know, this climate control system for this car is a nightmare...a very badly designed system that we're forced to use.

My climate control system wasn't working. I removed the glove box and bottom dash panel. I found about a 1/2 dozen vacuum hoses disconnected. I am looking for a vacuum hose schematic, hopefully including the color codes, to straighten this mess out.

This thing is nuts! hoses to valves, to other valves, to vacuum modules, to other hoses, out through the fire wall...what a mess. The amp and control box under the hood, fuses, etc all work fine...its these hoses!

I would appreciate whatever help I can get for this problem....especially a schematic, or where I might get a copy of the schematic.

Thanks in advance.
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Old Mar 5, 2007 | 06:05 AM
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450sl 1978
You can have a look there :

http://www.detali.ru/cat/oem_mb1.asp?TP=1&F=107044&VIN=

Most of the schematics are online,
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Old Mar 5, 2007 | 08:00 PM
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'79 450sl
Thanks...

I searched that entire web site you refered me to, unfortunately I wasn't able to find the climate control vacuum schematic I was looking for.
Thank you for your suggestion, its appreciated.
DM
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Old Mar 6, 2007 | 12:04 PM
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450sl 1978
Well let me have a look in the other stuff I have, might take a few days. I'll let you know.

Robert
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Old Mar 24, 2007 | 06:30 AM
  #5  
David M's Avatar
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From: Los Angeles, California
'79 450sl
Climate Control Schematic

This is really driving me nuts. I'm still trying to find a schematic for the climate control vacuum hoses for my 1979 MB 450sl. My local MB dealer hasn't got a clue. I even contacted MB in Germany...I don't speak or write German, so I'm still screwed.

I would appreciate any suggestion anyone might have for this problem. One guy at a local MB indy garage said he could fix it, but I would have to leave the car with him for a week, and deposit $250.00 on account. On account of what? I really don't like the way this guy does business. I can fix this myself..I just need the schematic. Does anyone know why this is so diffiicult to get?

Thanks in advance.
DM
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Old Mar 25, 2007 | 01:45 AM
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BJonesFL's Avatar
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From: Bradenton, FL
'87 560SL Sold, '99 SL500 For Keeps
DM,

Contact George Murphy at Performance Analysis,

perfanalysis@comcast.net

George has probably forgotten more than most of us know about these systems. He's on or head of the MBCA Technical Staff. Good Luck

Bob
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