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2014 E350 4Matic wagon driveshaft/transmission failure

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Old Mar 15, 2025 | 12:08 PM
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2014 E350 Wagon
2014 E350 4Matic wagon driveshaft/transmission failure

Had this MB for less than a year bought used as is. Have had two others wagon prior. This one has 110K miles and is a 2014. Nice car, we liked it, but yesterday on the interstate, just after hitting a very substantial pothole, suddenly a very bad vibration then catastrophic failure - something broke (ujoints?), requiring a tow.to our local shop. Seems to be front driveshaft. They said they couldn't work on it plus requires programming Called two other German car shops who said to take to the dealership, which we will do. I know there's not enough information but is this vehicle cooked? Thank you!
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Old Mar 15, 2025 | 12:51 PM
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Insurance claim! They will probably categorize it as collision, but be sure to say it was unavoidable, as it obviously was.
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Old Mar 15, 2025 | 02:24 PM
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Front driveshaft failure is a common problem with the 4matic. The U joints wears out, noise, and later snaps breaking the transmission housing or else.

These failures have been reported on the ML, E, C and S-class-> general issue if not monitored.

The front driveshaft does not require coding, however, the new or new2you one will. Either you find a MB specialist with the correct tools to clone your TCM on the replacement or take it to the stealership.

You can find several videos on cloning the TCM, so you can contact them, and others about that shaft breaking and damaging the housing.

Last edited by JCM_MB; Mar 15, 2025 at 04:38 PM.
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Old Mar 15, 2025 | 05:29 PM
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If he was unable to avoid the pothole due to cars around him, etc., then definitely check with the insurance company. I once ran over a deer in the middle of the road because I did not see it until the truck in front of me passed over it. Messed up the spash shields under the car (not a mercedes) and other damage. It was covered by my insurance.
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Old Mar 16, 2025 | 06:58 AM
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Originally Posted by JettaRed
If he was unable to avoid the pothole due to cars around him, etc., then definitely check with the insurance company. I once ran over a deer in the middle of the road because I did not see it until the truck in front of me passed over it. Messed up the spash shields under the car (not a mercedes) and other damage. It was covered by my insurance.
very lucky because many times it can depend on whether the unavoidable object was in the air, moving, or static… and the State in which the accident happened. If stones ever fall off of a dump truck, never say they hit the ground and bounced before they hit your windshield. You must say that they fell directly from the truck and hit the windshield. It is believed that with safe following distances, anything that was on the road should have been seen. If you are in a state where there is contributory liability, it makes it much harder. Potholes are sometimes iffy because the “state “is only liable if it has been previously reported and it is unlikely that the pothole jumps out in front of you or falls from the sky in front of you :-). Unfortunately, like many I’ve had to deal with some silly obstacles in the road from potholes, to deer, and even once a flying (literally) trashcan in the middle of the highway (695) at full speed.
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Old Mar 18, 2025 | 11:08 AM
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Front driveshaft it is, according to dealership. Took out O2 sensors and heat shield as well. Quote for repair is $6K. Would you?
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Old Mar 18, 2025 | 12:19 PM
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Originally Posted by stringerhye
Front driveshaft it is, according to dealership. Took out O2 sensors and heat shield as well. Quote for repair is $6K. Would you?
2nd opinion, and likely get it done with an independent MB specialist. If they are changing ONLY those 4 parts: driveshaft, heat shield and O2 sensors it sounds on the high side (typical dealership estimate)

EDIT: Forgot to mention you got lucky, other owners ended up with front driveshaft and a new2them transmission. At a dealership we can guess $10K+

Last edited by JCM_MB; Mar 18, 2025 at 03:02 PM.
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Old Mar 18, 2025 | 02:59 PM
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Originally Posted by stringerhye
Front driveshaft it is, according to dealership. Took out O2 sensors and heat shield as well. Quote for repair is $6K. Would you?
Not sure what you are asking. But when confronted with keeping a car or not, I always ask myself if I can replace my car for the cost of the repairs (and how much I like the car).
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Old Mar 18, 2025 | 03:03 PM
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Originally Posted by Baltistyle
very lucky because many times it can depend on whether the unavoidable object was in the air, moving, or static… and the State in which the accident happened. If stones ever fall off of a dump truck, never say they hit the ground and bounced before they hit your windshield. You must say that they fell directly from the truck and hit the windshield. It is believed that with safe following distances, anything that was on the road should have been seen. If you are in a state where there is contributory liability, it makes it much harder. Potholes are sometimes iffy because the “state “is only liable if it has been previously reported and it is unlikely that the pothole jumps out in front of you or falls from the sky in front of you :-). Unfortunately, like many I’ve had to deal with some silly obstacles in the road from potholes, to deer, and even once a flying (literally) trashcan in the middle of the highway (695) at full speed.
You're right. Lots of factors. However, if you don't ask, you'll never get kissed (as the say).

Strangely, things always seem to happen at times of low visibility, such as darkness and/or bad weather. And, with regards to animals attacking my car, my insurance treats that differently. For some reasons, attacking deer are treated under comprehensive and everything else as collision.

Last edited by JettaRed; Mar 26, 2025 at 09:58 PM.
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Old Mar 18, 2025 | 03:41 PM
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Old Mar 26, 2025 | 06:19 PM
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Driveshaft Repair

Originally Posted by stringerhye
Front driveshaft it is, according to dealership. Took out O2 sensors and heat shield as well. Quote for repair is $6K. Would you?
from my experience, I recommend working with the best Indy shop, as they'll be up to date, & be more affordable with lower hourly rate. Look for local reviews & personal recommendations.
And, get all estimates in writing & determine length of warranties!
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Old Mar 26, 2025 | 06:26 PM
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Driveshaft Repair from Collision

Originally Posted by stringerhye
Front driveshaft it is, according to dealership. Took out O2 sensors and heat shield as well. Quote for repair is $6K. Would you?
I suggest locating a well regarded & reviewed MB Indy shop, vs. Dealership as hourly rates should run 15-20% below dealer. And, get everything in writing as to break-in, warranty period. & bargain for a loaner if you can. I have had good luck with a local Hertz office in San Francisco getting discounted rates because they have insurance
shop rates.
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Old Mar 26, 2025 | 10:01 PM
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I can't see how this damage isn't the result of a collision. Collisions aren't always with other vehicles. $6000 vs an insurance claim deductible is a no-brainer (unless you have some crappy insurance company that won't pay).
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Old Mar 27, 2025 | 08:56 PM
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Originally Posted by stringerhye
Had this MB for less than a year bought used as is. Have had two others wagon prior. This one has 110K miles and is a 2014. Nice car, we liked it, but yesterday on the interstate, just after hitting a very substantial pothole, suddenly a very bad vibration then catastrophic failure - something broke (ujoints?), requiring a tow.to our local shop. Seems to be front driveshaft. They said they couldn't work on it plus requires programming Called two other German car shops who said to take to the dealership, which we will do. I know there's not enough information but is this vehicle cooked? Thank you!
Most likely the car is not cooked. Had the exact same thing happen. With any luck the shaft failure did not damage anything else and if it did not then the procedure is to buy a new driveshaft and have it installed and you are back in business. I bought 3 shafts (I do the work myself) and the first two were aftermarket and had spline problems so I finally bought one from the stealer and it went right on. Cost over $900. Labor time is about 6 hours in a dealership and there a few misc. parts like exhaust gasket and tailpipe flange gaskets. Due to the nature of the job it will be simple to have the right motor mount replaced at the same time---should be max charge of 30.min labor plus the part. Mounts wear out on these wagons before 100K.
SO---if no other damage, Go For It!!
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Old Mar 27, 2025 | 09:13 PM
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Originally Posted by jayres
...the first two were aftermarket and had spline problems...
Shudda tried a chiropractor.
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Old Mar 28, 2025 | 11:33 AM
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I have replaced my drivesshaft plus catalytic converter plus labor around $2400 in plano. Replaced in indy shop. I forgot shop name but it had Europe in the name. 2013 e350 4matic. All part original.
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