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Old 11-20-2011, 03:02 PM   #1 (permalink)
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Date registered: Sep 2009
Vehicle: 1993 Mercedes 190e 2.3
Location: Carlsbad, CA
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Post DIY - 1993 190E 2.3 Automatic Transmission removal / replace? Is it worth it?

The reverse on my '93 190e 2.3 Automatic (180k miles) has stopped / barely working. I now have the joy of only finding parking spots in which I can drive forward out, or at least stick the foot out the door and push myself backwards to get out.

From what i've read on the net, it seems that this is is an obvious sign that the transmission is going out- and i've also read that it's better to just get a rebuilt tranny instead of repairing my problem.

Since I live in Southern California, it makes sense to get one from these guys (www.mercedesdismantlers.com) for $1500.

I am not a mechanic by any means, (i.e.: I can change my own alternator- but wouldn't do my own head gasket repair). but I do have all the regular tools + warm garage and from what I've heard Automatic transmissions aren't too scary to do on your own.

Does anyone have any guides / tips on how to do this procedure? I don't even know where to begin...

Thanks!

Last edited by zumajoe; 11-20-2011 at 03:49 PM.
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Old 11-20-2011, 03:39 PM   #2 (permalink)
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Vehicle: 1993 Mercedes 190e 2.3
Location: Carlsbad, CA
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I should also note that I'm a bit on the fence for dropping $1500 for a transmission. Especially searching Craiglist you see people selling 190e's for $2,000 in pretty good shape. However I think it could be a good decision since i've already done the following:

-head gasket / valve job
-front strut mounts
-new alternator
-engine mounts
-all new shocks

Assuming the transmission replace would be the last "big" thing to replace and make the car good for many years to come..

Opinions?

Last edited by zumajoe; 11-20-2011 at 03:48 PM.
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Old 11-20-2011, 07:13 PM   #3 (permalink)
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have u checked or flushed the trans fluid yet?
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Old 11-20-2011, 07:53 PM   #4 (permalink)
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You need a basic set of home mechanic's tools and possibly an engine hoist. I've found it's difficult to remove the transmission by itself, and just pull the whole drivetrain now.
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Old 11-21-2011, 05:16 AM   #5 (permalink)
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trans swaps are easy to do, only basic tools required and new filter and seal needed..grab a good spare from a local parts car...schedule a meet and get it done...theres more then a few members in CA someone has to be close...also go check on 190rev..alot of CA guys on there as well
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Old 11-21-2011, 09:54 AM   #6 (permalink)
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It's not a hard job, I mean if you did the rest of the work to it, I'm sure you can handle this. I have found tho, that it is easier by far to remove engine and tranny as a complete unit and replace the trans then to do it in the car. It's a bit cramped in the tunnel, I've done them on the lift and they do come out but it's not easy on the ground. These cars are remarkably straightforward in the way they come apart, even the hood hinges way back so you do not have to remove it.

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Old 11-21-2011, 12:09 PM   #7 (permalink)
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ive done both out the top and the bottom and the bottom is far easier. less wires to unhook ans you dont need to get it in at an extreme angle. also the engine wiring harness on the older mbs can get brittle from the temp changes in the engine bay. and any movement can crack the wiring cause shorts and have you chasing idle and drivabilty issues. this is from experience so be aware
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Old 11-21-2011, 12:21 PM   #8 (permalink)
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Quote:
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ive done both out the top and the bottom and the bottom is far easier. less wires to unhook ans you dont need to get it in at an extreme angle. also the engine wiring harness on the older mbs can get brittle from the temp changes in the engine bay. and any movement can crack the wiring cause shorts and have you chasing idle and drivabilty issues. this is from experience so be aware
Was this on a 2.3? I found it to be impossible to get it out without the engine on my 2.6 because there was minimal clearance between the bolts holding the trans to the engine and the firewall. A 2.3 may have more room, or I would suspect this much.
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Old 11-21-2011, 12:34 PM   #9 (permalink)
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Quote:
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Was this on a 2.3? I found it to be impossible to get it out without the engine on my 2.6 because there was minimal clearance between the bolts holding the trans to the engine and the firewall. A 2.3 may have more room, or I would suspect this much.
ive done both that way
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Old 11-21-2011, 12:43 PM   #10 (permalink)
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ive done both that way
Do you have any tips for doing it on a 2.6? I really had a hell of a time, the bolts were damn near inaccessible for me.
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