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emilia_knight35

AMG GT Hybrid Gearbox Problems

Experiencing automatic gearbox issues in my 2021 Mercedes AMG GT Hybrid with roughly 62000 kilometers Unable to shift gears using paddle shifters, gearbox slippage, unclean shifting, grinding noises during gear changes, slow paddle shifter response, gearbox in emergency mode, and a stored error suspected defective transmission control unit

Summary of the thread

The 2021 Mercedes AMG GT Hybrid is experiencing automatic gearbox issues, including inability to shift gears using paddle shifters, gearbox slippage, unclean shifting, grinding noises, slow paddle shifter response, and emergency mode activation. These symptoms suggest a defective transmission control unit. A comprehensive transmission diagnosis is recommended to confirm the issue, focusing on the control module, which may require replacement if a software reflash does not resolve the problem.

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4 comment(s)

maximilian_eagle34

I understand your frustration I own an AMG GT as well, and I experienced similar gearbox issues The symptoms you describe shifting problems with the paddles, slipping gears, grinding noises, and the emergency mode strongly suggest an issue with the transmission control module Have you had a transmission diagnosis performed yet Its critical to pinpoint the exact error codes stored in the system A faulty control module can definitely cause all those problems It could be a software glitch, or the unit itself might be failing Before replacing the entire automatic gearbox, focus on the control module

emilia_knight35 (community.author)

Thank you for your prompt response I have not yet undertaken a comprehensive transmission diagnosis, but I will ensure that this is performed Could you elaborate on the specifics of your experience with the control module Did you observe any other symptoms, and what steps did you take to resolve the issue

maximilian_eagle34

Certainly Besides the symptoms youve already mentioned, I noticed occasional jerky movements, especially during low-speed maneuvers The transmission felt like it was hesitating before engaging the next gear The official transmission diagnosis confirmed a defective control module I attempted a software reflash first, but that only provided a temporary fix Ultimately, I had to replace the control module Given your symptoms and the error code, I strongly advise taking your AMG GT to a qualified Mercedes-Benz workshop specializing in automatic gearbox issues and transmission repair They will be able to perform a proper transmission diagnosis and confirm whether the control module is indeed the culprit

emilia_knight35 (community.author)

I appreciate your detailed explanation and advice I will schedule an appointment with a reputable workshop to conduct a thorough transmission diagnosis Following your recommendation, I will emphasize the possibility of a defective control module Thank you again for your valuable insights They were able to confirm the control module was indeed the issue and replaced it The gearbox issues are now resolved

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MERCEDES

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AMGGT