Tranny Issues
Thread Starter
Junior Member
Joined: Sep 2004
Posts: 30
Likes: 0
Tranny Issues
Hi
I took the delivery on late october 2005.
Did not drive it that much, but I thought I could share some dislikes about the car for someone who is planning to purchase.
In general, I love the new S. Exterior is good and interior is excellent.
The only problem that I am having is transmission.
When it downshifts, sometimes, it makes 'thung' noise and feels like trying to speed up.
It does not happen often, however, it does happen once or twice a day, specially when the engine is cold.
The car has about 400 miles now, and the dealer reprogrammed the software, however, it won't solve the problem.
I guess this is the common probelm with new 7g tranny since I seen lots of people with cls complaning same problem.
Other than the tranny, I do like the car.
Hope this info helps someone who is planning to purchase.
In addition, if someone can give me better idea what might be the reason with tranny, please let me know so I can inform not so uptodate mechanics in my dealership.
Thanks in advance
I took the delivery on late october 2005.
Did not drive it that much, but I thought I could share some dislikes about the car for someone who is planning to purchase.
In general, I love the new S. Exterior is good and interior is excellent.
The only problem that I am having is transmission.
When it downshifts, sometimes, it makes 'thung' noise and feels like trying to speed up.
It does not happen often, however, it does happen once or twice a day, specially when the engine is cold.
The car has about 400 miles now, and the dealer reprogrammed the software, however, it won't solve the problem.
I guess this is the common probelm with new 7g tranny since I seen lots of people with cls complaning same problem.
Other than the tranny, I do like the car.
Hope this info helps someone who is planning to purchase.
In addition, if someone can give me better idea what might be the reason with tranny, please let me know so I can inform not so uptodate mechanics in my dealership.
Thanks in advance
Thread Starter
Junior Member
Joined: Sep 2004
Posts: 30
Likes: 0
Not sure
Originally Posted by RJC
Software update?
My guess is just a reptrogramming.
I will ask my dealer and repost if you wanna know in details.
MBWorld Fanatic!
Joined: Feb 2002
Posts: 6,061
Likes: 326
From: 2000 ft over the FL coast in a B-17
Various
Originally Posted by op355
I am not sure if it was an update or just reprogramming.
My guess is just a reptrogramming.
I will ask my dealer and repost if you wanna know in details.
My guess is just a reptrogramming.
I will ask my dealer and repost if you wanna know in details.
Super Member
Joined: Nov 2004
Posts: 627
Likes: 1
From: The Earth
Mercedes all the way!
actually, the 7G tranny does do a rather rough downshifting job when its new. heck, even the 5-speeder does that when it's new. no worries, drive it more, man! just 400 miles in two months - wana lend it to me to "help" you break in the car? 
MBWorld Fanatic!
Joined: Aug 2003
Posts: 5,517
Likes: 20
From: Las Vegas, NV
2011 E350 Cabriolet..White and Almond Mocha
Originally Posted by op355
Hi
I took the delivery on late october 2005.
Did not drive it that much, but I thought I could share some dislikes about the car for someone who is planning to purchase.
In general, I love the new S. Exterior is good and interior is excellent.
The only problem that I am having is transmission.
When it downshifts, sometimes, it makes 'thung' noise and feels like trying to speed up.
It does not happen often, however, it does happen once or twice a day, specially when the engine is cold.
The car has about 400 miles now, and the dealer reprogrammed the software, however, it won't solve the problem.
I guess this is the common probelm with new 7g tranny since I seen lots of people with cls complaning same problem.
Other than the tranny, I do like the car.
Hope this info helps someone who is planning to purchase.
In addition, if someone can give me better idea what might be the reason with tranny, please let me know so I can inform not so uptodate mechanics in my dealership.
Thanks in advance
I took the delivery on late october 2005.
Did not drive it that much, but I thought I could share some dislikes about the car for someone who is planning to purchase.
In general, I love the new S. Exterior is good and interior is excellent.
The only problem that I am having is transmission.
When it downshifts, sometimes, it makes 'thung' noise and feels like trying to speed up.
It does not happen often, however, it does happen once or twice a day, specially when the engine is cold.
The car has about 400 miles now, and the dealer reprogrammed the software, however, it won't solve the problem.
I guess this is the common probelm with new 7g tranny since I seen lots of people with cls complaning same problem.
Other than the tranny, I do like the car.
Hope this info helps someone who is planning to purchase.
In addition, if someone can give me better idea what might be the reason with tranny, please let me know so I can inform not so uptodate mechanics in my dealership.
Thanks in advance
Since the fix...it is as smooth as butter...only had 1200 miles when fixed.
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