Ok so they replaced the plate, did they reset the computer? A regular obd tool 
won't cut it. Probably the spring

Sent from my iPhone

On Aug 12, 2011, at 6:58 PM, "Bill Ringgold" <billr32...@comcast.net> wrote:

> Prior to further efforts I will ask
> them to check those.  The part they
> replaced was # 1402701161
> Conductor Plate Above Automatic
> Transmission Valve Body.  That
> still leaves the spring, which I
> will ask them to check on Monday.
> Thanks - Bill R
> 
> -----Original Message-----
> From: mercedes-boun...@okiebenz.com
> [mailto:mercedes-bounces@okiebenz.c
> om] On Behalf Of Kaleb C. Striplin
> Sent: Friday, August 12, 2011 6:43
> PM
> To: Mercedes Discussion List
> Subject: Re: [MBZ] S320
> transmission needed
> 
> You do not need a new transmission,
> the local transmission shop does
> not 
> know what they are doing.  Those
> 722.6 trannys are pretty bullet
> proof 
> mechanically.  There are 2 common
> problems that cause them to go in
> limp 
> mode.  First there is this little
> spring that breaks in the valve
> body.  
> The other is some speed sensors on
> the conductor plate.  Both are very
> 
> easy fixes.  The spring is a couple
> bucks, the conductor plate is less 
> than 200 from Rusty.  I bought my
> 97 E300 with a bad transmission,
> that 
> spring was broken on mine but I
> went ahead and replaced the
> conductor 
> plate anyway.  You could replace
> your tranmission and still have it 
> stuck in limp mode.  Why?  Because
> after you replace the spring or the
> 
> plate, you have to hook the car up
> to the SDS system and resent the 
> tranny computer.  Even replacing
> the tranny will not do that.  Here
> is a 
> link to info about the replacement.
> I would be VERY surprised if the 
> tranny is bad.  Am curious though
> what "cracked" part they replaced
> 
> http://www.benzworld.org/forums/w21
> 0-e-class/1463460-mercedes-benz-722
> -6-transmission-faq.html
> 
> http://www.benzworld.org/forums/w21
> 0-e-class/1474216-photo-diy-722-6-c
> onductor-plate.html
> 
> On 8/12/2011 3:00 PM, Bill Ringgold
> wrote:
>> Not a good day.  The transmission
>> on our 1997 LWB S320 has gone to
>> limp mode - stuck in 2nd gear.
>> Trusted local transmission shop
> has
>> tried working with it and
> replaced
>> a cracked piece, but it is not
>> responding.
>> Rebuilt is way many $$$ [@ $5K],
>> does anyone know of a relatively
>> low mileage transmission for
> sale?
>> 
>> 92k mile one on eBay is $1,095.
>> That is the most promising thus
>> far.
>> Thanks - Bill R
>> 
>> 
>> 
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