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Author Topic: Idle speed  (Read 3638 times)

jmvsl

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Idle speed
« on: April 29, 2009, 18:41:05 »
What should be the correct settings for the idle speed for a 230SL on cold and warm engine temp?  please advice thanks.
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glenn

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Re: Idle speed
« Reply #1 on: April 30, 2009, 09:06:09 »
800 rpm.
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Richard Madison

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Re: Idle speed
« Reply #2 on: April 30, 2009, 10:36:11 »
Not sure about a 230, but a 280 runs at about 1000 or 1100 rpm when cold then drops to about 800 as it warms up. In some cars, the rpm can vary in stop-and-go traffic between these two numbers, not sure why.

The idle speed can be changed (if all else is properly adjusted) by turning the air intake control knob (not its official name) on the right side of the engine.
 
Richard M, NYC
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1969 280 SL, Tunis Beige, Euro Model (Italy).

ja17

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Re: Idle speed
« Reply #3 on: May 04, 2009, 23:01:07 »
Hello,

Yes ,  the warm idle is usually around 750 - 800 rpms and the cold idle can be as high as 1100 for a short time.   
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
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
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