1969 280 SE Cab auto trans question - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 02-23-2015, 09:26 PM Thread Starter
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1969 280 SE Cab auto trans question

My automatic transmission will make a straining noise when faced with any type of inclined road from a dead stop. I can pull it manually down into first and bypass the noise or strain sound entirely, but I Would still like to know what causes the noise. Other than that the transmission does great.
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post #2 of 2 (permalink) Old 02-24-2015, 10:12 AM
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Hi, is this new behavior or something that's always been present? If always been there I would suggest it's just that the car does need downshifted on an incline. There really shouldn't be any noticeable change on a dead stop, flat surface action however. Again, not trying to insult your intelligence but many people simply don't realize that these automatics were designed and intended to be shifted frequently while driving, MB even issued a special transmission manual for these cars, I'm not talking about the Hydrak tranny either, just this "standard" fluid-coupled automatic. The fluid coupling may be a sound you're not as familiar with also, compared to cars with a torque converter.

In short, if you downshift and all is well, and no problems at other speeds or situations, it sounds normal to me.
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