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W113 Pagoda SL Group
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Device (constant Speed Solenoid) on intake. Why is it there ?
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Topic: Device (constant Speed Solenoid) on intake. Why is it there ? (Read 254 times)
Pinder
Full Member
Gold
USA, NJ, Edison
Posts: 595
Device (constant Speed Solenoid) on intake. Why is it there ?
«
on:
August 03, 2022, 23:44:26 »
I have always wondered why on my car which is a 4 speed manual there is this device on my intake that is not wired and does nothing. I think it is for automatics. why is it there on my 1970? maybe this is a replaced intake? or maybe this is just how they installed it for both manual and automatic in 1970? thoughts on this?
Regards
Pinder
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1970 280 SL Light Ivory DB 670. 4 Speed manual shift no AC Limited Slip Diff.
ja17
Full Member
Platinum
USA, OH, Blacklick
Posts: 6992
614 312-2865
Re: Device (constant Speed Solenoid) on intake. Why is it there ?
«
Reply #1 on:
August 04, 2022, 04:44:09 »
I have seen other pagodas which came from the factory with these constant speed solenoids never wired and never meant to be used.
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2006 Mercedes Sprinter Van
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback
Cees Klumper
Audit Committee
Platinum
France, Guyonvelle (temporarily)
Posts: 5107
Re: Device (constant Speed Solenoid) on intake. Why is it there ?
«
Reply #2 on:
August 04, 2022, 05:23:11 »
Was it not also used on A/C equipped cars? I suppose your car does not have A/C though, or not anymore.
Either way it's somewhat valuable these days, Authentic Classics selling it for almost $1,300.
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Cees Klumper
1969 Mercedes 280 SL automatic cream white
1972 Lancia Fulvia Coupe 1.3 rosso corsa "Luigi"
1990 Ford Bronco II 2WD colonial white
Jonny B
Pagoda SL Board
Platinum
USA, CA, San Marcos
Posts: 3847
Re: Device (constant Speed Solenoid) on intake. Why is it there ?
«
Reply #3 on:
August 04, 2022, 15:17:14 »
I agree with Cees. My 1970 (automatic, no A/C) has the solenoid and it is not wired in.
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Jonny B
1967 250 SL Auto, DB 568
1970 280 SL Auto, DB 904
Mike Hughes
Full Member
Platinum
USA, VA, Alexandria
Posts: 1531
Re: Device (constant Speed Solenoid) on intake. Why is it there ?
«
Reply #4 on:
August 04, 2022, 16:09:24 »
I would venture a guess that, in an age when it was NOT a $1300 part, this might have been included in what might be termed a "USA" or "North American" spec package as it became clear that dealers were adding A/C to 280SLs with increasing frequency.
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- Mike Hughes -ô¿ô-
1966 230SL Auto P/S
Havana Brown (408)
Light Beige (181)
Cream M-B Tex (121)
Pinder
Full Member
Gold
USA, NJ, Edison
Posts: 595
Re: Device (constant Speed Solenoid) on intake. Why is it there ?
«
Reply #5 on:
August 05, 2022, 16:29:06 »
Thats great information. I confirm mine has no AC and is a stick shift. I did power it up and it does work!
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1970 280 SL Light Ivory DB 670. 4 Speed manual shift no AC Limited Slip Diff.
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Device (constant Speed Solenoid) on intake. Why is it there ?