My transmission just toasted...
Thread Starter
MBWorld Fanatic!
Joined: Dec 2008
Posts: 4,411
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From: Socal, Chino
E55 2006 / CLS55 / S450 / Jag XKR2011
My transmission just toasted...
Yesterday when i was driving all the sudden no shifting, keep going to neutral. When I wait it until cool down I can only drive 1 mile then that's it.
No any sign of transmission problem at all. I did 3 times transmission services in 10 years (about 50K miles) so I take care of my car.
I can't believe no sign and just fail. It has only 118K miles now. My mechanic told me the car has too much power that's why. Many people has way more power than me but I guess i am really unlucky.
I can hear the whining sound, guessing is the pump failing and the torque converter is no good. Anyways, getting a used tranny for $1K + labor.
Is better to rebuild or just buy used ?
Thanks.
No any sign of transmission problem at all. I did 3 times transmission services in 10 years (about 50K miles) so I take care of my car.
I can't believe no sign and just fail. It has only 118K miles now. My mechanic told me the car has too much power that's why. Many people has way more power than me but I guess i am really unlucky.
I can hear the whining sound, guessing is the pump failing and the torque converter is no good. Anyways, getting a used tranny for $1K + labor.
Is better to rebuild or just buy used ?
Thanks.
MBWorld Fanatic!
Joined: Apr 2009
Posts: 6,020
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From: Alexandria, VA
07 E63 AMG, 10 C63 AMG, 07 E63 Designo, 07 E350, 09 C300, 07 C230
You have to do a cost benefit analysis, is it cheaper to rebuild your transmission or buy a used one. Rebuilding it, you know that new parts are going in, and that it will be reliable. With a used transmission, you don't know the history, or if it has any existing issues. So it is up to you, as for me, I would simply rebuild if the price was right.
Rebuilt for $1k YES
Used for $1k NO
Rebuilt for $1k YES
Used for $1k NO
Super Member
Joined: Jun 2017
Posts: 899
Likes: 140
2005 E55
Did you try changing your tranny fluid or anything else before letting a shop hit you with a new tranny? I had the same thing happen. It mostly would start after getting warm, drive through or car wash etc. All of a sudden popping into neutral. If I pull over and shut if off for a while I could drive a bit to limp it home. Happened several times. I found the tranny fluid was burnt up, and the tranny cooler fan fuse was blown. I flushed about 12 quarts through the tranny and got the fan running right and haven't had an issue since (about three months ago as well as two trips to the drag strip).
Any ways, sorry no good input on to rebuild or replace.
Good luck brotha.
Any ways, sorry no good input on to rebuild or replace.
Good luck brotha.
Member
Joined: May 2008
Posts: 178
Likes: 17
broom
Did you try changing your tranny fluid or anything else before letting a shop hit you with a new tranny? I had the same thing happen. It mostly would start after getting warm, drive through or car wash etc. All of a sudden popping into neutral. If I pull over and shut if off for a while I could drive a bit to limp it home. Happened several times. I found the tranny fluid was burnt up, and the tranny cooler fan fuse was blown. I flushed about 12 quarts through the tranny and got the fan running right and haven't had an issue since (about three months ago as well as two trips to the drag strip).
Any ways, sorry no good input on to rebuild or replace.
Good luck brotha.
Any ways, sorry no good input on to rebuild or replace.
Good luck brotha.
Member
Joined: Aug 2014
Posts: 247
Likes: 23
Benz
Also laughable is how you are shocked that an over 10 year old car that also has over 100k on the transmission could fail. How is that hard to wrap your head around?? But also make sure it's diagnosed properly. Could just be the conductor plate just as likely.
Last edited by 1ForcedBenz; May 2, 2019 at 12:12 PM.
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Thread Starter
MBWorld Fanatic!
Joined: Dec 2008
Posts: 4,411
Likes: 69
From: Socal, Chino
E55 2006 / CLS55 / S450 / Jag XKR2011
Many of E55 has more mileage and still with original tranny. The tranny pump was making a loud whining noise and the torque converter is also bad at this point.
I will change a conductor plate and ask my mech to check the tranny cooler fan fuse. Anyone know where and which one is the fuse ?
Thank you.
I will change a conductor plate and ask my mech to check the tranny cooler fan fuse. Anyone know where and which one is the fuse ?
Thank you.
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Thread Starter
MBWorld Fanatic!
Joined: Dec 2008
Posts: 4,411
Likes: 69
From: Socal, Chino
E55 2006 / CLS55 / S450 / Jag XKR2011
I told my mechanic to change conductor plate, filter, new fluid... and now the car is fine.
Just don't know how long will it last. Is it normal symptom to total fail to drive when conductor plate ?
The car just stop shifting when it was heat up. No previous symptoms at all.
I think I will still rebuild the tranny. Anybody can recommend a good rebuild shop in Southern California ?
Thanks !
Just don't know how long will it last. Is it normal symptom to total fail to drive when conductor plate ?
The car just stop shifting when it was heat up. No previous symptoms at all.
I think I will still rebuild the tranny. Anybody can recommend a good rebuild shop in Southern California ?
Thanks !
Super Member
Joined: Nov 2016
Posts: 672
Likes: 99
From: Massachusetts
2007 E63 Amg
Although W211 E63s are infamous for head bolt issues, nobody seems to talk enough about transmission issues on E55. Those old 5 speed automatics may break close to that mileage. I had E350 with 5 speed tranny. I think it is called 729.6 or smth like that. Despite taking excellent care of the car and doing tranny service on time the transmission failed on me. I ordered used one from ebay - also would shift rough. In the end I sold the car for cheap.
I guess mercedes improved trannies with facelift but screw up head bolts.
I guess mercedes improved trannies with facelift but screw up head bolts.
MBWorld Fanatic!
Joined: Aug 2012
Posts: 1,790
Likes: 109
From: DownEast Maine
CLS 55 AMG E500 ML320
I told my mechanic to change conductor plate, filter, new fluid... and now the car is fine.
Just don't know how long will it last. Is it normal symptom to total fail to drive when conductor plate ?
The car just stop shifting when it was heat up. No previous symptoms at all.
I think I will still rebuild the tranny. Anybody can recommend a good rebuild shop in Southern California ?
Thanks !
Just don't know how long will it last. Is it normal symptom to total fail to drive when conductor plate ?
The car just stop shifting when it was heat up. No previous symptoms at all.
I think I will still rebuild the tranny. Anybody can recommend a good rebuild shop in Southern California ?
Thanks !
Thread Starter
MBWorld Fanatic!
Joined: Dec 2008
Posts: 4,411
Likes: 69
From: Socal, Chino
E55 2006 / CLS55 / S450 / Jag XKR2011
After picked up my car last Friday drove about total 40 miles and my car runs well as before. I did not WOT... maybe in few more weeks I might try how the car will react.
Changed the conductor plate and fluid and now works fine... I guess it's the electrical issues.
Changed the conductor plate and fluid and now works fine... I guess it's the electrical issues.
