E-Class (W212) 2010 - 2016: E 350, E 550

Transmission anomaly/normal behaviour? Help

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Old 10-27-2018, 11:22 AM
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2015 E250 4M Bluetec
Transmission anomaly/normal behaviour? Help

Hello. I just picked up my first Mercedes a few weeks back. A 2015 E250 4Matic Bluetec. After driving it for this time I noted a behaviour of the transmission that I’m not sure whether it’s normal or it’s an issue.

Im hoping other owners can help me out. When I come to a stop, and not moving off right away the car kind of jerks after 7 seconds +/-. My foot is steady on the brake pedal. It’s subtle but noticeable and happens all the time. No trouble lights are on. The car performs as expected under all other conditions.

Does anyone else experience this? Normal? I have a few thousand kms left on warranty and want to sort this out.

Thanks,
Hans
Old 10-27-2018, 11:39 AM
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2018 GLC 63 AMG Coupe
Sounds like the 'start-stop' function which is normal...
Old 10-27-2018, 12:07 PM
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2015 E250 4M Bluetec
Originally Posted by K507
Sounds like the 'start-stop' function which is normal...
I was thinking that might be the case, however, the engine does shut off under the right conditions, and much earlier than 7 seconds.

Thanks for you reply!
Old 10-27-2018, 04:54 PM
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2016 E350 Sport
Try resetting the Transmission, detailled in this thread... https://mbworld.org/forums/e-class-w...ton-start.html
Old 10-28-2018, 08:43 AM
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2015 E250 4M Bluetec
Originally Posted by DFWdude
Try resetting the Transmission, detailled in this thread... https://mbworld.org/forums/e-class-w...ton-start.html
Thanks! I’m going to give it a try today
Old 10-28-2018, 01:09 PM
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Mine does the same. The dealer said something about the coupler. Does it happen all the time? Next time it happens, let go of the brake and let the car coast a few seconds and hit the brakes again. Does it happen then?
Old 10-28-2018, 02:31 PM
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2015 E250 4M Bluetec
Originally Posted by DFWdude
Try resetting the Transmission, detailled in this thread... https://mbworld.org/forums/e-class-w...ton-start.html
Originally Posted by Nascarfan
Mine does the same. The dealer said something about the coupler. Does it happen all the time? Next time it happens, let go of the brake and let the car coast a few seconds and hit the brakes again. Does it happen then?
I reset the adaptive transmission settings as mentioned by DFWdude (link above) and it’s gone, so far. The change has made me happy
Old 10-29-2018, 11:14 AM
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2014 E350 4Matic
Originally Posted by ziggy65




I reset the adaptive transmission settings as mentioned by DFWdude (link above) and it’s gone, so far. The change has made me happy
You need to do it every 3 week or so because it comes back. I do mine every month but should really do it every 2-3 weeks.

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