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c250 acceleration issue.

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Old 08-01-2015, 11:11 PM
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2013 C250 Sport
c250 acceleration issue.

So lately my car has been acting different then normal. When I go half throttle in E or S mode it will like stutter when accelerating. It does not pull smooth like it should. Anyone have any idea what this might be? I have never experienced this before.
Old 08-02-2015, 11:26 AM
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2013 Mercedes-Benz C250, Iridium Silver Metallic; 2001 Mercedes-Benz C240, Brilliant Silver Metallic
Hard to know without hooking it up to a diagnostic scanner.

Not sure if your transmission is acting that way through its adaptive behavior, but it does learn your driving style. Try resetting your transmission control unit, drive it around for a while, and see if you're still having issues. If so, then look further. Could be something as simple as that.
Old 08-02-2015, 12:29 PM
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Yeah I'll give that a try. How is it done exactly? I remember reading it somewhere on here before. Like turning the key to the ON position before the start engine spot and holding down the gas peddle I think for so many seconds right?
Old 08-02-2015, 01:19 PM
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Found the tcu reset and did it. Still seems to be doing the same thing
Old 08-02-2015, 07:14 PM
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Also idk if this matters but it does not seem to do it in low gears like 1st and 2nd. Usually only 3rd 4th
Old 08-03-2015, 05:15 PM
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Could this have anything to do with the CEL light and codes I got a few weeks back? It never started to happen until ok the light came on. Codes had something to do with the 2nd o2 sensor malfunctioning.

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