Auto refused to shift
Thread Starter
Junior Member
Joined: Jul 2015
Posts: 31
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From: whitworth
C200 Sport
Auto refused to shift
So I was driving home from the Gym in Eco and the car wouldn't shift up from first in auto. I gave it some revs nothing so had to resort to the manual shifters to go up the gears but the strange thing was that when I slowed down and stopped it had downshifted in auto but when I moved off same problem no upshift so back on the manual shifters.
Anyway after I reached home and had some lunch and a think instead of ringing the dealer and booking it in to be looked at I decided to take out and see if the problem resolved its self and guess what it had it must have been a software brainfart or something I'll keep my eye on it and if it happens again then it's going to the dealers.
So my question to to any fellow forumite is has this happened to you, I look forward to any comments and advice cheers.
Anyway after I reached home and had some lunch and a think instead of ringing the dealer and booking it in to be looked at I decided to take out and see if the problem resolved its self and guess what it had it must have been a software brainfart or something I'll keep my eye on it and if it happens again then it's going to the dealers.
So my question to to any fellow forumite is has this happened to you, I look forward to any comments and advice cheers.
Thread Starter
Junior Member
Joined: Jul 2015
Posts: 31
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From: whitworth
C200 Sport
Is that the software update for jerky shifts from 1st to 2nd if so then it's not going to help as mine just refused to move out of 1st gear automatically. Drove it locally today in Eco and it has run impeccably shifting up and down in auto with no hint of yesterday's shinnegans, but l will still be wary for a while yet.
Super Member
Joined: Sep 2014
Posts: 561
Likes: 4
From: UK (South West)
2015 C220 AMG Line Bluetech.
The software update was to address the fact that my car would, on occasion, refuse to change up - instead of changing up at 2,000 rpm in Comfort, it would rev up to 4,500 rpm in all lower gears - even on light throttle levels (I get that if you floor the throttle it doesn't change up).
The dealer checked at MB said this update was to address this condition. Since update, no issues.
The dealer checked at MB said this update was to address this condition. Since update, no issues.
Newbie
Joined: Sep 2015
Posts: 2
Likes: 0
C300
I am currently going through what I believe is a similar issue. I bought a brand new 2015 C300 and had the shifting issues happen about 45 days after my purchase. The best way I can explain it is that i would be driving (no matter what speed), then all of a sudden i would feel a slight jolt, and the gas would not respond. I could push the accelerator all the way down and it would seem like the RPM's would just go up, and the car would not accelerate. I had to take my foot off the accelerator, then wait 3-5 seconds, and try again for the car to shift properly. Taking your foot off the accelerator on the highway can be quite dangerous because of the fast deceleration.
Long story short, I took the car in and they updated the software on the car telling me that was most likely the issue. The very next day, the issue was still happening so I took it back. My car has been at the dealership for just over 1 month.
The tech ended up replacing the torque converter, but during their testing, the problem still persisted and I was told it got worse. The tech had to open a case with MB and they are now going to replace the valve body. The tech told me that if the valve body does not fix the issue, they might have to replace the entire transmission all together.
I hope you have much better luck than I did. This was my very first Mercedes and to have these type of issues happen to a brand new car with under 2k miles is very concerning and alarming. Many people warned me about having issues like this before my purchase, but now I have experienced first hand.
Let us know things turn out on your end. Good luck!
Long story short, I took the car in and they updated the software on the car telling me that was most likely the issue. The very next day, the issue was still happening so I took it back. My car has been at the dealership for just over 1 month.
The tech ended up replacing the torque converter, but during their testing, the problem still persisted and I was told it got worse. The tech had to open a case with MB and they are now going to replace the valve body. The tech told me that if the valve body does not fix the issue, they might have to replace the entire transmission all together.
I hope you have much better luck than I did. This was my very first Mercedes and to have these type of issues happen to a brand new car with under 2k miles is very concerning and alarming. Many people warned me about having issues like this before my purchase, but now I have experienced first hand.
Let us know things turn out on your end. Good luck!
Thread Starter
Junior Member
Joined: Jul 2015
Posts: 31
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From: whitworth
C200 Sport
Thanks for the replies guys although my problem is not as serious as yours (Fury 23) I have not had any recurrence of the issue since but it is in the the back of my mind every time I get in the car.
Your right about a brand of the quality of Mercedes having these various issues with their vehicles especially the auto-transmissions (7G) as this is a tried and tested piece of kit.
Your right about a brand of the quality of Mercedes having these various issues with their vehicles especially the auto-transmissions (7G) as this is a tried and tested piece of kit.
Senior Member
Joined: Jan 2015
Posts: 446
Likes: 56
EQE 500 4MATIC replacing EQC 4matic AMG line P
I think i need to talk to my dealer as mine has exhibited late shifting up a few times. I run it in comfort and sport and it has done this in both modes. It is now also slow to change down on occasions going as low as 1100 to 1200 revs when it starts getting a bit grumbly i am not sure if it is the colder weather causing the reluctance...mine is a 250bluetec 4 matic break with 7750km....april 2015 build bremen.
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Super Member
Joined: Sep 2014
Posts: 561
Likes: 4
From: UK (South West)
2015 C220 AMG Line Bluetech.
I think i need to talk to my dealer as mine has exhibited late shifting up a few times. I run it in comfort and sport and it has done this in both modes. It is now also slow to change down on occasions going as low as 1100 to 1200 revs when it starts getting a bit grumbly i am not sure if it is the colder weather causing the reluctance...mine is a 250bluetec 4 matic break with 7750km....april 2015 build bremen.
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