W123 230E AUTO CORRECT REVS

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gez110
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W123 230E AUTO CORRECT REVS

Post by gez110 » Thu 12 Oct, 2017 12:46 pm

Hi Guys,

Can someone advise the correct revs in fourth at 100kph please. My car is a 1984 230E auto. She's already doing around 2800rpm at 80 kph, which seems a tad high?

Cheers

Steve

mathuisella
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Re: W123 230E AUTO CORRECT REVS

Post by mathuisella » Thu 12 Oct, 2017 3:47 pm

:)

I'm not familiar with the 230E, but we'd need to know what gear you're in. Perhaps the transmission isn't changing gears at the right time/rpm/speed or something.

Hopefully one of the guys here more familiar with the 230E will know.

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Christo C
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Re: W123 230E AUTO CORRECT REVS

Post by Christo C » Thu 12 Oct, 2017 5:30 pm

< “ in fourth at 100kph “

seemed clear enought to me 👀 or is it fourth dimension?
~Christo
1986 230E W124.023 M102.982 Thistle Green Saloon "Janis"

tsharkey
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Re: W123 230E AUTO CORRECT REVS

Post by tsharkey » Thu 12 Oct, 2017 6:09 pm

All my W123s do about 3,100 at 100km/h except the 5 speed which is 2,500rpm.

So that sounds a tad high for 80km/h. I would have expected the around 2,500rpm. Not 3rd gear either as at 1.44:1 it would be doing 3,500 at 80kmns.
Last edited by tsharkey on Thu 12 Oct, 2017 6:19 pm, edited 1 time in total.
W123 1981 300TD - Family Kid mover
W202 1998 C250D Factory OM605A Turbo - Partner's daily driver
W123 1982 300CD Retro fitted OM617A Turbo - Mine
W123 1984 300TD 5 Speed Manual, to teach the kids how to drive
W123 1982 300TD Factory OM617A Turbo (Hans) - Project
W123 1985 230TE - Brother's
W123 1985 300D - Sister in Law's
1962 S-Series Valiant (Tho Daimler & Chrysler divorced, still part of the extended family)

Past benzes
W114 1969 250CE - PO put in an M110 transplant and nearly sent me around the bend
W123 1981 300TD - "Matilda" - RIP hit front side & rear but left my brother + niece A-OK

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Coupe restoration, Turbo Wagon freshen up

mathuisella
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Re: W123 230E AUTO CORRECT REVS

Post by mathuisella » Fri 13 Oct, 2017 12:44 pm

do you know what rear differential you have ? ( it's ratio ) was it changed some time during it's life ?

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brycedunn
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Re: W123 230E AUTO CORRECT REVS

Post by brycedunn » Fri 13 Oct, 2017 10:44 pm

standard diff ratio for the 230E is 3.58.
I sold my 230E in 2002, but I do recall the revs being high on the freeway.
If your wheels are not the correct size this can also affect revs on the freeway.
Bryce
250SE & 450SLC
http://blog.docmong.com

gez110
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Re: W123 230E AUTO CORRECT REVS

Post by gez110 » Mon 16 Oct, 2017 7:08 pm

Hey Guys,

I was having a senior moment.......... she sits at around 3100 at 100kph, which from what I've read is normal. Sorry for wasting your time :-)

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Lance
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Re: W123 230E AUTO CORRECT REVS

Post by Lance » Mon 16 Oct, 2017 10:05 pm

gez110 wrote: ↑
Mon 16 Oct, 2017 7:08 pm
I was having a senior moment.......... she sits at around 3100 at 100kph, which from what I've read is normal. Sorry for wasting your time :-)
My 280E sits at exactly that. So yes normal.
Regards,
Lance Smart

W114 280E 5 speed manual
W123 280E

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