Did some research on BW and found that this is not an uncommon problem for the 
722.3/4/5 transmissions.  Seems that they use a combination of vacuum and 
throttle position to delay upshifts (sound familiar, diesel owners?)  There is 
a vacuum valve and relay that do this, and one or both are often the culprit 
along with possibly breaks or leaks in the related vacuum lines.

With this in mind I think I'll have a look see today if I can track down the 
seller.

Dan


On Jul 27, 2014, at 7:22 AM, Dan Penoff via Mercedes <mercedes@okiebenz.com> 
wrote:

> Thanks, Hendrick.
> 
> From the PP posts it sounds like there is a solenoid that controls the 
> Upshift from 3rd gear that may be wonky.
> 
> I'm going to do some searching to see if I can find out more on this issue...
> 
> Dan
> 
> Sent from my iPad
> 
>> On Jul 27, 2014, at 12:42 AM, Hendrik and Fay via Mercedes 
>> <mercedes@okiebenz.com> wrote:
>> 
>> Pretty sure it's the crappy 722.5 box, essentially a 722.4 with electronic 
>> overdrive but not as robust as the 722.4 
>> http://www.peachparts.com/shopforum/tech-help/6719-1995-s320-transmission-problem.html
>>  however for that sort of money you can't go too far wrong, Klebby will 
>> probably give you 500 for it, if all else fails.
>> 
>> Hendrik
>> who has a wonky 190E to fix
>> 
>>> On 27/07/14 12:21, Andrew Strasfogel via Mercedes wrote:
>>> Nice looking car, and less than 3 percent of the sticker price.  Call
>>> Potomac German Auto to find out the price of a good used transmission.
>>> 
>>> 
>>> On Sat, Jul 26, 2014 at 10:00 PM, Dan Penoff via Mercedes <
>>> mercedes@okiebenz.com> wrote:
>>> 
>>>> I may go look at this tomorrow - it's not too far from me and the seller
>>>> says the problem is that "It won't shift past 3 u have to play with the gas
>>>> peddle for it to kick into gear."
>>>> 
>>>> http://tampa.craigslist.org/hil/cto/4555553306.html
>>>> 
>>>> I'm wondering if this is a conductor plate?  It's a 722 tranny but I'm not
>>>> sure if it's a 722.6
>>>> 
>>>> Anyone know?  Things to look for?
>>>> 
>>>> Dan
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