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Hey guys,

Just returned from Holiday in France, Germany and Luxembourg with the W124 which was great. Driving along the Vineyards in the Alsace was great. What a car :D

Anyway, a few weeks back I 'adjusted' the transmission bowden cable, and I made an expensive mistake, I broke off the adjusting knob. Silly me ;)

So I brought my car into my new found Mercedes 'specialist' in my own hometown to insert a brand new bowden cable which they did. They had to lower the tranny to replace the whole cable and let the old oil out of the tranny and replaced it with new oil. Now, the new oil, I don't have the exact specs here was for newer 7 speed Merc automatics and after that it shifted great but a NEW problem introduced itself, it slips sometimes driving in 3rd gear... It has literally NEVER done this before they touched the tranny.

Now I'm not sure if I should go back and demand they replace it with other oil (dexron IID) or if it's just the age of the trans? I just went on Holiday with the car as well, driving through hills, doing high speed on the German autobahn so that might have added to the strain on the trans.
What would you guys do?

On another note, it does this once per 2 or 3 days driving with it. Will it probably need a rebuild? Because if so I'm thinking of selling the car or swap it on a newer merc (E320/E350/CLS350).
 

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They put the wrong oil in the trans.

Let's hope you can dodge the bullet witha mere oil&filter.

And ONLY a top quality Dexron IID or 3 fluid

In my experience, once it starts slipping it is usually already too late and a rebuild is in order
 

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They put the wrong oil in the trans.

Let's hope you can dodge the bullet witha mere oil&filter.

And ONLY a top quality Dexron IID or 3 fluid

In my experience, once it starts slipping it is usually already too late and a rebuild is in order
Have you ever done a rebuild? Was it hard?
 

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They put the wrong oil in the trans.

Let's hope you can dodge the bullet witha mere oil&filter.

And ONLY a top quality Dexron IID or 3 fluid

In my experience, once it starts slipping it is usually already too late and a rebuild is in order
Have you ever done a rebuild? Was it hard?
 

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Trans rebuilds is not a DIY job.

Sounds like your car needs a reman'd unit and torque converter from Sun Valley (see link). They are the sole and smart choice to get a replacement transmission, and they back up their work with a meaningful warranty.

Sun Valley Mercedes Transmissions
My 722.5 auto box was rebuilt by Mackie Transmissions in Glasgow. Excellent end result.

Sun Valley may be a little distant for someone in NL.

RayH
 

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My 722.5 auto box was rebuilt by Mackie Transmissions in Glasgow. Excellent end result.

Sun Valley may be a little distant for someone in NL.

RayH
Post #4 was a hijack by a newbie trying to revive a 3 year old thread. Happens way too often around here.
 

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Old threads pop up on all sorts of different forums. But that's not the point. I can just see the day - far off, hundreds of years from now - some Ancestry.com derivative will be delivering the results of their all-inclusive search to a new customer; "did you know your distant uncle three times removed from your Grandfather, provided commentary on a primitive communication channel called a "forum"? It was an early attempt at segregating the population by like mindedness. And by the way, this distant uncle used to fix his own 'W124'?" "We believe a W124 was a vehicle of some sort." As a side note, archaeological digs have uncovered examples of these W124s and remarkably, their cabins were pristine - indicating they were used very little. But surprisingly, there was no electrical wiring used in these vehicles - or at least there was no trace of it... "
 
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