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Car stopped while backing up.

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Old 04-20-2019, 08:26 PM
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2019 C43 AMG
Car stopped while backing up.

I was backing out of my driveway a moment ago and while doing so, the car like seemed to lock up. Almost as if I got caught on something. It happened a couple times before but I figured one of the sensors were wet from snow. I was able to put it in drive and move forward. Then back into reverse and backed out. Any ideas?
Old 04-21-2019, 12:26 AM
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2018 Mercedes C43 AMG Coupe
brake rotors/pads rusted and caught? rotors slightly warped may exacerbate that scenario?
Old 04-21-2019, 10:01 AM
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Originally Posted by jonathan358
brake rotors/pads rusted and caught? rotors slightly warped may exacerbate that scenario?
That would weird considering the car is brand new.
Old 04-21-2019, 12:33 PM
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Was there something crossing behind you, and perhaps the Cross Traffic Alert activated and applied the brakes?


Old 04-21-2019, 02:17 PM
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I was just backing out of my long driveway. I wasn't even near the road yet. However, midway through the driveway gets narrow as it does in between my house and a rock wall. I wonder if I was close enough to one or the other. The only time this has ever happened was backing out of my driveway.
Old 04-21-2019, 03:45 PM
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Originally Posted by superswiss
Was there something crossing behind you, and perhaps the Cross Traffic Alert activated and applied the brakes?
Didn't know our cars had emergency braking for reversing as well? Did the car flash a red symbol on the dash and abruptly brake? Faulty/Uncalibrated sensors are the likely culprit if so.

OP, wipe up the sensors and see if it still happens -- especially after a rainy/icy day the sensors get wonky.
Old 04-21-2019, 05:35 PM
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Yes, I am beginning to think it's the very sensitive sensory.
Old 04-22-2019, 06:59 PM
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Originally Posted by superswiss
Was there something crossing behind you, and perhaps the Cross Traffic Alert activated and applied the brakes?

this is most likely what happened, this has happened to me going in reverse around 4 times and everytime I get scared sh@$& less lol.
Old 04-22-2019, 07:07 PM
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Did you open any doors while reversing? Not sure about the C, but on the GLC, it will lock up the brakes and yank your neck into park if you so much as even crack the door. It took an embarrassing moment at a hotel parking lot to figure out. I was trying to get super close to the curb so whoever parked next to me, would have plenty of space. Cracked the door to see the curb and thought I hit the curb. Jump out...nope, no curb! Back inside, reverse, try again...boom, auto park! Jump back out to see if that damn curb moved, nope! Scratch head, intelligence kicks in. Jump back in and revert to 360 camera(I once drove semi and can't stand using cameras).

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