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#1
02-16-2013, 10:21 AM
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1992 300sl transmission compatibility question..,..
1992 300sl transmission compatibility question..,..
post3d this over in the sl forum as well... would the trans from a 1990 300se or a 1990 300e work in the '92 sl? i'm trying to decide if fixing the sl is viable and it would be more so if i had the trans for it already here. thx in advance gh
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0o==o0 James 4:8 "...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses" -Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ Centrally located in North East Central Pa. 
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#2
02-16-2013, 08:40 PM
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From doing research on my 91 300SL, it is likely that any 722.5 5 speed auto will work as would a 6 cylinder 722.3 4 speed auto with a drive shaft change. Unless someone offers bolt specific reasons why, I'd say the 300SE is a go.
Using car-part dot com , the universe appears to be 3 transmissions in the 90 to 93 span then 94 to 96. However, the differences may only be valve body calibration / part number or some internal difference. When you search on car-part, use 300SL for 90 to 93 searches and SL class for 94 to 96. ( The 97 SL320 got the 722.6 electronic shift 5 speed ) The 722.5 5 speed in your car is a 722.3 4 speed with 5 th in the tail housing. The 722.5 appears to be a inch or two longer overall, not sure if the trans mount is in the same place or not. The M103 / M104 did come with a 4 or 5 speed so bell patterns will interchange. Near as I can tell, the 5 speed was not very common and only used in higher end small motored cars like the 300SL, SL320 and 300SE, the V8 never got the 5 speed because it has reduced torque capability. I'm not sure the 90 300E was a 5 speed. These trans have a electrically operated 5 th and a solenoid to reduce governor pressure to delay upshifts so the cats warm up quickly.
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#3
02-17-2013, 03:37 AM
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If you have a quick look on EverythingBenz - Mercedes-Benz Forum and Web Search Using Google
you can see that the 300SL had both a 722.352 and a 722.500 transmission option - which one do you have? The 300SE had a 722.351 as well as a 722.319. Check the differential final drive ratios - cross your fingers and hope for the best!
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior  Don't leave that there - I'll take it to bits!
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#4
02-18-2013, 08:33 AM
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you could just bite the bullet and put a stick in. Shifter and clutch should be the same as a W124; so much other stuff is. -CTH
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#5
02-19-2013, 08:49 AM
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i did a 5 speed swap in a bmw 745 turbo about 5000 dollars ago and swore i'd never make that mistake again......which, loosely translated, means i've been thinking about doing it with this car....
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__________________
0o==o0 James 4:8 "...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses" -Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ Centrally located in North East Central Pa.
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#6
02-24-2013, 01:04 PM
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so now i've had a chance to look under both cars...300se has 722.351 and 300sl has 722.500....
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__________________
0o==o0 James 4:8 "...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses" -Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ Centrally located in North East Central Pa.
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#7
03-01-2013, 02:45 PM
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Quote:
__________________
1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#8
03-01-2013, 02:55 PM
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i don't know if se tranny will be the same...i know it works
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__________________
0o==o0 James 4:8 "...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses" -Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ Centrally located in North East Central Pa.
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