E-Class (W212) 2010 - 2016: E 350, E 550
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Not Shifting

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Old Feb 21, 2016 | 05:29 PM
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E550 4matic
Not Shifting

2012 E550 4matic.

When I am at part throttle and wide open the shifting works great, but when I am at 1/2 to 3/4 throttle it seems like it stays in 4th gear unless I lift.

For example when I am entering the highway, it will stay in that gear and and keep going higher in the rpms or if I get to speed it will stay in that gear at that rpm (4000 or so) unless I completely lift before shifting into a higher gear.

I have a month or so left on the warranty and I plan to bring it in to have this checked out, but wanted to see what others might have to say about this.

thanks in advance.
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