Transmission on my '83 380 SEC suddenly stopped engaging.

Other than very minor slippage that I've come to expect on an older vehicle, there was no warning of this. I put it into drive, and engine just ran free. Same with other "gears" -- no resistance whatsoever.

Fluid level is still topped, with no apparent leakage, so I'm guessing this is just an internal seal?

What should I expect to pay for a rebuild? Would replacement be cheaper? (Adsit has a rebuilt one for $1400) Any insight about best/worst-case scenario here?

I'm having the transmission in my 87 300E rebuilt, it will cost $2500.

The transmission was leaking and was not shifting properly/smoothly.

Good Luck!!

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GC
1987 300E 104K
1984 300CD 112k R.I.P

You had the warning, but you decided to ignore it. Doesn't matter how old the vehicle is, it's not suppose to do that.

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Question Authority before it Questions you.

All the seals on my '88 300SE are starting to leak (well, some of them are and I'm afraid that if I just replace those the others will go). I'm gonna have my mechanic drop it and replace every single seal inside and out.

My mechanic ballpark-quoted me around $1800. At least, he said that's about what it cost last time he did one.

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'88 300SE | Midnight Blue | 237k
'09 Subaru Impreza | red | 0k

my condolences on that one...I would think that $1800 would be really fair for a good rebuild. my 1990 300te leaks fluid too, but i just top it off every couple of months, knowing full well that eventually that will not work any longer. who makes these trannys anyway? I had a ZF 4 rebuilt for my BMW in Albuquerque by a private shop for $1380 and they did an excellent job many miles ago (like 30K). I called every transmission shop from Albuquerque to Santa Fe and the prices ranged from $1200 (poor BBB report) to $3600 (local BMW dealership) and found this place. Only downside was it took them 2 weeks to get the car back to me, but they did outstanding work....good luck

MZF ,Inc.

http://www.peterschmid.com/

This is where I'll send my 722.418

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'84 300SD sold
124.128

AWESOME! Parts diags and other technical info about he transmissions!

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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FACEBOOK: PANZER450