1994 Mercedes E320 wagon driveline/driveshaft broke issues - Mercedes-Benz Forum
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post #1 of 43 (permalink) Old 08-26-2017, 01:54 PM Thread Starter
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1994 Mercedes E320 wagon driveline/driveshaft broke issues

My 1994 E320 wagon was having some hesitations between shifting the gears. Then the vibrations started and the next thing happened, the one piece of the 2 pieces driveline or draftshaft fell out. I don't know at this time which one is the rear or the front. Luckily, I was only a half mile away from home when the wagon broke down. I had the wagon towed home. I have not been able to jack up the rear end of the wagon at this time.

I did some research on the above issue. Due to the damage done on the driveline/driveshaft/propeller,(propeller twisted, spline bent out of shape, groves on the spline gear smashed and twisted) I went ahead and ordered the two piece driveshaft. The seller marked a line for the two piece shaft for the purpose of correct balance that put the two piece together when lining up the driveline/driveshaft. The correct part number drivelshaft is Mercedes 1244109916, 300E E320 300TE Sedan wagon W124 E class Driveshaft M104, since different part number (1244108916 fits the sedan, not the wagon) does not fit all, especially the 1994 wagon.

I also ordered new 2 flex discs with new bolts and washers. Drive Shaft Flex Joint New Front or Rear OEM Number: 704100015.

Both flex discs and the driveline, 2 piece, already arrived at my home. My concern in regards to flex discs, I noticed three of the 6 holes are higher than the other three. Which side of the disc goes in the propeller on the driveline correctly/properly?

In addition, I also ordered new Mercedes Driveshaft Center Support Hanger Bearing 124 410 02 81. I am still waiting for the part to show up at my home at this time.

Since I have not been able to go under the wagon to inspect the driveshaft at this time, I wonder what additional parts that are needed? I just want to prepare myself ahead of time to know and see what to expect.

Also, the key to the ignition is stuck and not be able to remove. The engine starts fine. The shifting will not move at all to get into park so I can remove the key from the ignition.

I fear that I may have damage the transmission and/or engine as a result of the broken driveshaft and possibly others as well. Only when I inspect the driveshaft and other parts will tell.

I will follow up on this issue and report my findings on this thread. Stay tune.

Any comments/feedback/advice is greatly appreciated.
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post #2 of 43 (permalink) Old 08-27-2017, 05:09 AM
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The higher parts on the flex disc goes inside the propshaft if you look at it them both ,you will see the holess are in there to let id fit All markings on the coupling face the rear of the car on the front coupling [ flexi disc ].
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post #3 of 43 (permalink) Old 08-28-2017, 10:33 AM
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If it helps, I just started parting my 1992 300te wagon today. It has a bad head gasket I think, and maybe some intermittent ignition issues. The transmission felt ok. I also have a transmission from a e320 m104 sedan. If you PM me or just update your profile, I can determine if it's even work considering trying to see if my parts will match your car.


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post #4 of 43 (permalink) Old 08-28-2017, 12:21 PM Thread Starter
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Update on Driveshaft issues

Trevor Hadlington and Fonzi: Thanks for responding back. I appreciated it. At this time, due to the weather, I am unable to work on the wagon. However, I will keep this thread posted as to my progress and resolution of the issues. Stay tune.
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post #5 of 43 (permalink) Old 08-28-2017, 01:38 PM
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Sorry. I checked propeller shaft parts and the m103 wagons appear to use different part numbers than the m104 wagons.


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post #6 of 43 (permalink) Old 08-28-2017, 02:21 PM Thread Starter
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Fonzi, thanks for the follow up. I appreciated it.
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post #7 of 43 (permalink) Old 08-29-2017, 02:58 PM Thread Starter
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Update:
Yesterday, the new Mercedes Driveshaft Center Support Hanger Bearing 124 410 02 81 arrived. Upon inspecting the Driveshaft Center Support Hanger Bearing, the rubber surrounding the bearing is very solid and strong, little flexibility in compared to the older bearing where the rubber is somewhat very loose in terms of movements. Probably due to wear and tear symptoms.

I went to different auto part stores to get more information on the 3 prong gear puller. Some are $20, others $30. I think it is just ridiculous to buy a 3 prong gear puller just one time to use for removal of the bearing. One place charge $20 on his press machine. I had to go to an auto part store anyway to pick up the T60 socket for the new bolts on the new flex discs. I asked an employee there if he has any loaner tools such as 3 prong gear puller. He said yes. I then asked him if he can remove the bearing himself while at the store, since there were few customers there. He said ok and went to work on the bearing using the tools available at the store. After much prodding and banging to remove the old bearing, he was abled to remove the old bearing and replaced it with the new one I had gotten yesterday. I bought the T60 socket at the store and no charge for the labor this employee did on the removal and replacement of the bearing. It took him approximately 15 minutes of his time. All it cost me was the T60 socket. I was so happy and impressed with this overall experience. In fact, I shook his hand to express my gratitude for the job well done. So yes, it pays to do your due diligence while researching for the issues/problems I have in regards to the tasks at hand. Next thing for me to do is jack up the wagon and inspect the damage and remove the old driveline/driveshaft/propellers. Stay tune for further adventures of my ongoing project.
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post #8 of 43 (permalink) Old 08-31-2017, 01:19 PM
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Key issue is almost certainly the key lockout (car has to be in P or maybe N) and that is a physical mechanism IIRC.

You should take a very close look at the yoke flanges on trans and diff and make sure they are flat and that the recesses are not worn out. If the flanges are bent you will need replace them. I purchased a used trans from a car that had been rear-ended and the result was bent yoke. It took me replacing bolts on the DS 4x before I figured it out.
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post #9 of 43 (permalink) Old 08-31-2017, 07:47 PM Thread Starter
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winmut, thanks for your great comments in your last post. I appreciated it. That is something I am not aware of in regards to flange yoke. In fact, I did some research on that and appears to have two different part numbers for the front and the rear that the driveline/driveshaft goes in between. yoke flange part number: 1243500746 (rear) 1243500846 (front?), specifically for the 1994 E320 wagon. Anyway, the rain stops me from working on the driveshaft issues at this time and probably for awhile anyway. Stay tune and I keep posting on my progress.
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post #10 of 43 (permalink) Old 07-31-2019, 12:23 PM Thread Starter
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HI everyone. I apologize for the lengthy delay in regards to the followup (2 years). I am back now. I will be taking the wagon to the shop tomorrow. In regards to the previous message concerning the yoke flange, yoke flange part number: 1243500746 (rear) 1243500846 (front), I cannot seem to find those two anywhere for replacement parts, just in case, I need them. Any ideas?
?
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