E-Class (W212) 2010 - 2016: E 350, E 550

2012 E350 Keyless-Go/Brake in Cold Weather

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Old 01-14-2014, 01:42 AM
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2012 E350 Keyless-Go/Brake in Cold Weather

For past a few weeks it was very cold here in Northeast.

On one of the morning, I tried to start the car but the Brake Pedal couldn't be depressed, i.e. very hard and didn't use excessive force. I pushed the start/stop button a few times, display turns of and off and no abnormal messages.

After a while, somehow I was able to depress the Brake Pedal and start the car.

Is this brake-pedal-lock expected in cold weather (say freezing point) ?

Also, on one of morning I felt that it took a few times to start the car (was able to depress brake pedal, but the car doesn't start right away after you push the button).

Thanks a lot !
Vincent
Old 01-14-2014, 10:08 AM
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2010 E550
Originally Posted by pstwo
For past a few weeks it was very cold here in Northeast.

On one of the morning, I tried to start the car but the Brake Pedal couldn't be depressed, i.e. very hard and didn't use excessive force. I pushed the start/stop button a few times, display turns of and off and no abnormal messages.

After a while, somehow I was able to depress the Brake Pedal and start the car.

Is this brake-pedal-lock expected in cold weather (say freezing point) ?

Also, on one of morning I felt that it took a few times to start the car (was able to depress brake pedal, but the car doesn't start right away after you push the button).

Thanks a lot !
Vincent
Possible battery issue? I ignored the slow starting and eventually needed a tow due to a dying battery. Everything else worked fine, just not enough juice to turn the starter motor. Good news was I had only had the car 2.5 months so dealer installed new one for free.
Old 01-14-2014, 03:47 PM
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2012 E350 RWD, 2003 Aprilia RSV1000 Tuono
Maybe you depressed the brake twice and triggered the "hold" feature right before you shut the engine.

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