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Discussion Starter · #1 ·
I've skimmed the forum and read threads about decreased range, but don't see anything about speed limitations in freezing temps. I just bought a 2014 ED and the weather turned super-cold. I pulled onto the freeway and couldn't crank out 50 mph. Test drives before I bought the car were in somewhat warmer weather (30s and 40s) and were no problem. Plenty of zip for me. Now temps are in the single digits (F) and the car just has no interest in scooting along. I was prepared for limited range during the winter, but didn't think I'd be trying to drive a totally gutless car in the dead of winter The Mercedes salesman just had vague comments about how electric cars don't work the same when it's cold. Any words of wisdom from the more experienced owners who live where it's cold? ...other than "move to California", which I am not gonna be able to do!
 

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Not that you should have to do this, but if you push the pedal down to the floor- then a little harder - you will actuate a "boost" switch and get more power.

In my 2015, in past winters, inducing some pretty cold spells below 0F/-20C, I never noticed a decrease in power output - but then, it sees very little freeway usage.

My main problem currently which actually started during the warm fall, was greatly reduced range - which seems to be due not to reduced pack capacity but high energy consumption - only 2.5 miles per kwh!
 

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Discussion Starter · #4 ·
I'm suspecting that what I encountered was the un-warmed battery (one bar showing in the display). The last few days have been in the double-digits below zero (F, not C!) and the car just doesn't like to get going for the first five minutes or so. I've tried the over-night timed departure trick, but the car is still reluctant to zoom at first. From some of the other posts I've read since, it sounds like there is limited power in extreme cold. I guess it's unfortunate that I'm getting to know the electric car's idiosyncrasies in the coldest weather we've seen in years.
 
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