W114 Transmission question - Mercedes-Benz Forum

 
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post #1 of 6 (permalink) Old 02-13-2015, 12:49 AM Thread Starter
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W114 Transmission question

So I have a leak in the transmission pump I wanted to have fixed. But since the tranny has to be removed to re-seal and the car has around 150K miles... maybe a good time to rebuild? The cost to rebuild is almost but not quite twice the price of the re-seal. This one will be done at my local MB repair shop, not in my little garage. Is there an expected lifespan if maintained? Thanks
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post #2 of 6 (permalink) Old 02-13-2015, 03:12 AM
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The transmission will last 200k miles with good maintenance. Thus tranny isnt too uncommon - have you thought of trying Aamco, or another repair chain?
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post #3 of 6 (permalink) Old 02-13-2015, 06:09 AM
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The only place I would go to have a Mercedes automatic transmission rebuilt is:
rebuilt remanufactured mercedes benz automatic transmissions

Currently: 1967 250 SL, 1963 220Sb, 1965 300SE Lang, 1971 280SE parts car, 1972 Alfa GTV, 1965 Alfa Duetto, 1993 BMW R100R
Past: 1971 250 C, 1985 300 TD, 1967 250 S, 1968 280 S,1981 300 D, 1982 280CE, 3 Facel Vegas, Borgward Isabella Coupe, Alfa 2600 Sprint, Volvo P1900 (yes), numerous less interesting Volvos, ...
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post #4 of 6 (permalink) Old 02-13-2015, 08:31 AM
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on the early cars , the torque convertor was riveted at the flange where the front seal goes , they leak there .the later cars where welded , so never leaked .now the trans has 3 spots , the front housing gasket [ rare ] , the front seal , or the o ring at the front pump body . those items are easily fixable .if the trans work fine , i would fix the leak only .that should be a $ 5 to 600 repair .
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post #5 of 6 (permalink) Old 02-13-2015, 11:06 AM
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My opinion is that if this is a car that you are going to keep, enjoy, drive, then have it rebuilt by the best, which is rather easy since you live in California. If it's a car you are going to sell, fix it. But it looks like a really nice car. I would have it rebuilt.

Currently: 1967 250 SL, 1963 220Sb, 1965 300SE Lang, 1971 280SE parts car, 1972 Alfa GTV, 1965 Alfa Duetto, 1993 BMW R100R
Past: 1971 250 C, 1985 300 TD, 1967 250 S, 1968 280 S,1981 300 D, 1982 280CE, 3 Facel Vegas, Borgward Isabella Coupe, Alfa 2600 Sprint, Volvo P1900 (yes), numerous less interesting Volvos, ...
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post #6 of 6 (permalink) Old 02-14-2015, 03:05 PM Thread Starter
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I think you're right, and I plan on keeping it. Thanks.
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