Originally Posted by pnsji
Can you verify this? Maybe the start is really quick so the moment you twist it, it start right away. Let's say if the start takes 1 seconds, you would have to hold it.
Our key(the flip one) need to hold. The newer Mercedes has smart key(no metal part seen) can have the auto start.
I have the flip key, and it takes no where near a second. I have done it several times, twisting to start and back as fast as I can and it starts every time. Take your hand, act like you are holding your key and clockwise 180 and back as fast as you can. Thats how fast I have been able to twist and start.
I don;t know if that is still considered needing to be held or not. Its definitely not a smart key like mercedes though.