The car spontaneously dies while driving down the freeway, but then starts back up again after hitting the gas repeatedly

15

Asked by Feb 20, 2015 at 10:33 PM about the 2006 Mercedes-Benz C-Class C 280 Luxury

Question type: Maintenance & Repair

Two times in the last month I've been driving on the freeway going 50+ when the car
just seems to stall or die and the lights in the dash go out and I hit the gas and nothing
happens, similar to what happens when you run out of gas (but I had gas and the lights
went out on the dash also).  
But then after hitting the gas repeatedly the car came back to life and just started
driving fine again as if nothing happened.
I had my car scanned for codes but no codes are coming up.
I had the transmission rebuilt less than 1k miles ago.  Could this issue be related to the
transmission? Or the battery? because the battery sucks in the car and I've had a dead
battery after leaving the lights on in the car for like 15 minutes without the car being on.  
The car has also stalled at slower speeds maybe 3-5 times, however that was not so
stressful because I was driving in a parking lot and everybody is going slow there.

Any suggestions or help will be appreciated as I am not especially mechanically
inclined.  
Thank you for taking the time to read/assist.

2 Answers

160

Yes!!! Take you battery cable off and clean them!! Take a pocket knife and scratch the crap out of it! Clean your battery post also!! If they don't make good contact, it doesn't make a complete Circuit and your Computer turns off and kills fuel system. I got in to this the other day!! Btw sounds crazy but your ground cable is way more important then hot when it comes to your computer.

15

I did that. The car hasn't stalled while driving on the freeway, but it still did stall multiple times while stopped or going very slow. What gives?

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