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UK 1995 W124 300d Om606 Estate
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13 Posts
Discussion Starter #1 (Edited)
Hi, I could do with some help with my cars jerky gearbox. It's worse when cold but remains jerky especially from 1-2nd gear. The Vacuum system seems in good condition, the central locking, headlight leveling etc works correctly.

The car has been well maintained and the oil seems to be at the correct level and looks in good condition. I have a full range of operation and after adjusting the Bowden Cable (slightly loose) the changes seem well timed and consistent. I'm unsure where to look, which pipes to check etc but have noticed the engine mounts may be a bit worn, how much of an effect can they have on shift quality? Thanks
 

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'95 E300 DIESEL, '91 600SEL, '92 600SEL
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17,384 Posts
I would change the fluid, filter and pan gasket making sure to drain the torque converter as well.

Then refill with a reputable high quality conventional non-synthetic Dexron-III fluid.

If your current gearbox is shuddering it could be due to improper fluid type or worse synthetic fluid which will wear out the gearbox very quickly.

Also recommend you check and replace the transmission & engine mounts, and check the driveshaft flex discs, center support bearing and diff mount bushings.
 

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UK 1995 W124 300d Om606 Estate
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13 Posts
Discussion Starter #3
I doubt it's been refiled with the wrong fluid as the servicing was carried out by a reputable specialist. As it's done 243,000 could the box just be worn?
 

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1990 Mercedes Benz 300E
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1,336 Posts
Jerkiness can come from any loose components after the tranny as stated so check the flex discs, center bearing, and diff mounts. I have a slight driveline shudder when turning hard right and it's been traced to a rattling diff mount. I would rule these things out first.
 
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