Hard shiffting 3rd-4th
Super Member
Joined: Jun 2011
Posts: 576
Likes: 8
From: Placitas, NM
E550
Hard shifting of the 7 speed seems to be an erratic issue and the "brain" keeps trying to adjust the shift program to the driver's habits --- at least that's what MBZ says.
My 2011 E550 will shift with a WHAM! if I lift my foot OFF the gas just a little going up a moderate rise at ~25mph. Scares me re: the life of the tranny.
My 2011 E550 will shift with a WHAM! if I lift my foot OFF the gas just a little going up a moderate rise at ~25mph. Scares me re: the life of the tranny.
Thread Starter
Super Member
Joined: Mar 2011
Posts: 614
Likes: 3
lexus gx470
Hard shifting of the 7 speed seems to be an erratic issue and the "brain" keeps trying to adjust the shift program to the driver's habits --- at least that's what MBZ says.
My 2011 E550 will shift with a WHAM! if I lift my foot OFF the gas just a little going up a moderate rise at ~25mph. Scares me re: the life of the tranny.
My 2011 E550 will shift with a WHAM! if I lift my foot OFF the gas just a little going up a moderate rise at ~25mph. Scares me re: the life of the tranny.
Out Of Control!!
Joined: Jun 2004
Posts: 13,799
Likes: 3,228
2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
if you hadn't followed my thread.. new 2k14 with hard shifting 4-5, turned out to a be a valve body problem... on a brand new car no less.... new valve body fixed the problem, still with occasional hard shifts but not as bad as prior to the valve body.
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Joined: Jan 2014
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2013 E350 Sport Wagon - 4Matic
MBWorld Fanatic!
Joined: Feb 2014
Posts: 1,306
Likes: 40
E 350
I had some hard downshifts around 3rd / 4th gears while climbing hills and it got me worried. Later on I found that I wasn't giving enough gas. If I step on the gas while climbing this problem doesn't happen.
Out Of Control!!
Joined: Jul 2003
Posts: 15,901
Likes: 4,630
From: North Scottsdale, AZ
'71 Pinto
Bulletin referenced is LI27.19-P-056610 update TCU software validity 212 with 276 engine experiencing 4-3 4-5 complaints. Shift complaints were (for the most part) resolved by replacing valve body.
https://mbworld.org/forums/e-class-w...50-4matic.html
http://www.benzworld.org/forums/w212...an-smooth.html
https://mbworld.org/forums/e-class-w...50-4matic.html
http://www.benzworld.org/forums/w212...an-smooth.html
Newbie
Joined: Nov 2010
Posts: 4
Likes: 0
2013 ML350
had the same problems with my 2010 e350. started at 40k. Took it in. said it was computer. make some 'adjs'. same symptoms. Made alot of noise with Regional Service Management and they changed the transmission. Well same thing started to occur at 70k. THey said it was the valve body, BUT it was not under warranty.
Traded for a 2013 e350.
Traded for a 2013 e350.
