So i have less than 800 miles on my new to me 2010 Mks and been taking it pretty easy on her 35k total miles. Yesterday evening the wife and i went to dinner and i had a situation where i had to merge into traffic from a stand still. Soi nail it from a stand still and approach 70mph rather quickly with trans shifting harsh in what i thought was 3rd but not certain. Once the shift occured i got this bad stumble so let off and notice my CEL blinking and car is mis-firing at this point. Wife looks at me and says i broke the car ugh.... so i begin to exit freeway and CEL goes off and everything is normal again wth. Drove it normal since and today and car acting like normal,any ideas ?.