S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Dtc code 2783 on a rebuilt transmission

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Old Jan 18, 2022 | 09:58 PM
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‘16 Mercedes GLE450 amg,’15 Mercedes gla, coupe,’07 Mercedes w221,’12 Audi A
Dtc code 2783 on a rebuilt transmission

As of many know on here I had my transmission rebuilt locally alittle over 3k miles ago and it came with a 12k miles or 1 year warranty. Needless to say I got an oil change and the person scanned my car and saw a transmission code. The car seems to be not shifting properly has it seems stuck in low gear. The code is 2783 wondering if anyone had this issue. I already contacted the transmission place and I am going tomorrow to have them scan it.
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Old Jan 20, 2022 | 06:12 PM
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1983 Nissan Shltbox
What say the transmission shop?
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Old Jan 20, 2022 | 06:19 PM
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‘16 Mercedes GLE450 amg,’15 Mercedes gla, coupe,’07 Mercedes w221,’12 Audi A
Hello,


I am dropping the car off on Tuesday they said that the torque converter is faulty. It’s under warranty so they will fix it.
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Old Jan 20, 2022 | 07:38 PM
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1983 Nissan Shltbox
Cool. Sounds like a pump issue so yeah, not a difficult fix. Not sure why they would have risked installing a potentially faulty tq converter after going to all the trouble to rebuild a 722.9 though...
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Old Jan 20, 2022 | 08:01 PM
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‘16 Mercedes GLE450 amg,’15 Mercedes gla, coupe,’07 Mercedes w221,’12 Audi A
Here is a video I took with my icarsoft plugged in.

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Old Jan 20, 2022 | 09:29 PM
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Interesting.
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Old Jan 27, 2022 | 10:47 PM
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‘16 Mercedes GLE450 amg,’15 Mercedes gla, coupe,’07 Mercedes w221,’12 Audi A
Update.. so it seems that the torque converter was faulty. A brand new torque converter we was installed and the car is running great.
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Old Jan 28, 2022 | 12:22 AM
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Nice. Easy fix.
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Old Jan 28, 2022 | 12:33 AM
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‘16 Mercedes GLE450 amg,’15 Mercedes gla, coupe,’07 Mercedes w221,’12 Audi A
For sure. From my research and speaking to mercedes techs, I was told that these cars are really heavy and put a decent amount of stress on the transmission. I am just glad that it’s fixed. Now onto having my 2007 Porsche 911 turbo water pump and transmission serviced.
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Old Jan 28, 2022 | 01:55 AM
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That's great , good for you
Happy Driving
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Old Jan 28, 2022 | 03:57 PM
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Originally Posted by clb0099
Update.. so it seems that the torque converter was faulty. A brand new torque converter we was installed and the car is running great.

result - a UK Indy that specialises in Merc auto boxes says he's inundated with TC / 7g box failures he can't cope (like a switch just went off)
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