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Registered
1972 350SL 4.5, car #917
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252 Posts
Discussion Starter #1
Hi guys - sorry for the totally newbie question but could someone take pity on a Triumph and MG owner and explain what all this luxury is here?

What is this switch for on the dash?



Is this a power steering or AC pump?



Thanks for the help and your patience.
 

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R/C107 Moderator
1986 560SL: '84 500SL: '84 280SL 5 speed: other 107s
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32,359 Posts
Fan switch and that is the PS. Knob below fan switch is temperature control on AC equipped models.
AC compressor is mounted below PS pump on that model.
 

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Registered
1972 350SL 4.5, car #917
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252 Posts
Discussion Starter #5
Hi Werner - I don't actually own her yet but I'm looking at (supposedly) a 1972 350SL.

So where would the AC switch be located then?

I see some cars with labeling "Fresh Air" where the eBay link says "AC".

Thanks!
 

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Registered
1972 350SL 4.5, car #917
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252 Posts
Discussion Starter #6
Fan switch and that is the PS. Knob below fan switch is temperature control on AC equipped models.
AC compressor is mounted below PS pump on that model.
Hi Rowdie - does that mean if there is a knob below the fan switch the car had AC, or does on non-AC cars that knob exist but have a different function.
 

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Registered
1972 350SL 4.5, car #917
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252 Posts
Discussion Starter #7 (Edited)
One more clarifying question if I may - this is a close up of the actual car I'm considering engine bay. To my untrained eye #1 and #2 look a like like AC lines. Is that accurate or are they for something else?

 

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R/C107 Moderator
1986 560SL: '84 500SL: '84 280SL 5 speed: other 107s
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32,359 Posts
Those are the AC compressor lines. Look in front of the radiator. There will be an AC condenser and drier mounted.

A non AC OE would not have that switch originally.
 

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Registered
1972 350SL 4.5, car #917
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252 Posts
Discussion Starter #9
Those are the AC compressor lines. Look in front of the radiator. There will be an AC condenser and drier mounted.

A non AC OE would not have that switch originally.
The plot thickens...I'm having a PPI done today so that should sort it out.

I very much appreciate the coaching.
 

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Outstanding Contributor
450slc5.0cab 280sl5sp 280se4.5 500se+500slAMG +250seStkW108 350sl4spdX3 500secEuro
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22,569 Posts
The AC knob is the one below the fan knob. I believe it should light up when the AC is on.

The chrome shifter plate tells me that this is the very first of all North American 107's made. I think that means the VIN must be in the 10704412002xxx or less range. In my stupid opinion, that makes it among the few possible collector 107s.
 

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Registered
1978 450SL--117K
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1,374 Posts
The AC knob is the one below the fan knob. I believe it should light up when the AC is on.

The chrome shifter plate tells me that this is the very first of all North American 107's made. I think that means the VIN must be in the 10704412002xxx or less range. In my stupid opinion, that makes it among the few possible collector 107s.
First and last years of model production are usually the most valuable, so, not stupid at all.
 

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Registered
1972 350SL 4.5, car #917
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252 Posts
Discussion Starter #12 (Edited)
Hi guys - it appears she is car number 0917. So pretty early car then.

What a great forum - apperciate the insight.
 
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