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  #1  
Old 11-03-2016, 04:55 PM
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Join Date: Oct 2009
Location: Raleigh, NC
Posts: 4
!994 E320 Not starting in first

Hoping someone can direct me to whenter the problem with my tranny is a B2 piston or not. I have read that the B2 piston issue deals with a transmission that will not have forward gears.

While I was attempting to drive home from work the other day, the transmission tried to start in either 3rd or 4th gear. Couldn't tell which, just that it was a challenge to get any inertia to move. My solution to drive the car home was to shift into "2" and start off in 2nd gear, note that it would normally start in first when shifter is in "2". I also noticed a harder engagement into 2nd than what was normal. After getting up to speed, I was able to shift into "D" and proceed to reach 3rd and 4th gears with no noise, whinning or hard shifting.

After the car cooled the next morning, it started in 1st like always, but it was stuck in first - would not shift out. I stopped, shifted to Reverse, then back to Drive, and the same symptoms above repeated itself where it was now locked in 3rd or 4th gear.

So, is this a problem that replacing the B2 piston and seal will fix?

I also read that the E320 cars had the updated Piston. Hoping that maybe it is just binding on the seal or something.

Oil is religiously changed between 30-35,000 miles every time and I currently have 16,000 miles on the last change. Using Redline D4 synthetic. Oil is at level, maybe a smidgen below full. Clear Red not burnt smelling.

Thanks for any help

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Olin Brimberry
94 E320 Wagon
Raleigh, NC

Last edited by orange911; 11-04-2016 at 11:24 AM.
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  #2  
Old 11-04-2016, 10:50 AM
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Trevor Hadlington
 
Join Date: May 2014
Location: Worcestershire in England
Posts: 1,453
Mercedes auto .Allways starts in second gear . Only uses 1st on kick down .Check brake light switch first Second thing it can be is a part in the selector that brakes off ,or is worn . If you can get all gears one way or the other, to me it looks a simple fix Some one will give you better information as the post gets older By the way it should only start in park.And no other gears
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  #3  
Old 11-04-2016, 11:16 AM
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Join Date: Oct 2009
Location: Raleigh, NC
Posts: 4
Trevor, thanks for your reply, but my car starts in first. I believe the 1st gear starts in the US market began in model year 1993. Brake lights work and linkages are only a few years old and the shift lever linkage is firm.
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Olin Brimberry
94 E320 Wagon
Raleigh, NC

Last edited by orange911; 11-04-2016 at 11:32 AM.
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  #4  
Old 11-04-2016, 03:05 PM
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Trevor Hadlington
 
Join Date: May 2014
Location: Worcestershire in England
Posts: 1,453
Orange see pm sent also look for Peach Parts on google search i gave you look in to second one down then his frorum name is Mike Murrell every thing you need to know about it He said Symtoms of B32 is
1 catastrophic of trans
2 Partial engagement of forward gears
with slipage and progress will be reduce as transmission is
shifting 1-2. 2-3, 3-4.
3 Reverse working normal.
Also good oil level is vital as it can be this some times level being to low . .
Hope this helps YTrev
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  #5  
Old 11-08-2016, 01:30 PM
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Join Date: Oct 2009
Location: Raleigh, NC
Posts: 4
Just an update, I realized yesterday after rechecking the level that fluid was about a pint low. Added fluid and it is now shifting like new again. I have put on 25 or so miles of stop-n-go driving and not had any slips, flares or hard shifts.

I have always had a hard time reading ATF level with clean fluid. A very light drip in the cooler hose over the last couple of years has caught up. I would have thought that this tranny would need to loose a quart to cause issues, but apparently not. Thank you for encouraging me to go back and recheck my fluid.

I sure do love this car when it is operating just right.
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Olin Brimberry
94 E320 Wagon
Raleigh, NC
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  #6  
Old 11-09-2016, 02:23 PM
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Trevor Hadlington
 
Join Date: May 2014
Location: Worcestershire in England
Posts: 1,453
Yes thats good news .Allways start with easy items first oil level ..

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