S-Class (W126) 1979-1991: 300 SE, 300 SEL, 380 SE, 380 SEL, 420 SEL, 500 SEL, 560 SEL, 360 SEC, 500 SEC, 580 SEC, 300 SD TURBODIESEL, 300 SDL TURBO, 350 SD TURBO, 350 SDL TURBO

300SEL Automatic gearbox info help please !!!

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Old Nov 3, 2012 | 01:30 PM
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W126 300 SEL 1989
300SEL Automatic gearbox info help please !!!

HI all,

My car is a 1989 300 SEL. Car was originally a Manual gear car.

I want to convert to Auto using correct type of gearbox.

How many different types of auto gearboxes were fitted to 300's at different times of production ?

I see lots of talk about "switchable" gearboxes. Does that mean there were Non switchable boxes also ?

How can I tell the difference between a switchable and non switchable from the outside ? ... I'm guessing I may as well chose a switchable one ?!
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Old Nov 4, 2012 | 02:42 AM
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W126 300 SEL 1989
someone please help
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Old Nov 25, 2012 | 09:27 PM
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From: Vancouver, Republic of Canuckstan
81 300sd, 83 300dT, F350, 250 diesel & 16 ft car trailer
they dont usually comes with manual. what country are u in?
if it were in usa almost 100% of them were auto.

u need to find a trans that will fit these engine, not sure your starter is on driver side or pass side. the older style should be on pass side.
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