i cant not oppen Door !
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mercedes s w221 350 2013
i cant not oppen Door !
I would really appreciate some help from anyone out there. I have a 2013 Mercedes W221 350 petrol. The doors cannot be opened with the emergency key. The car has been sitting in the garage for at least 2–3 months, and both batteries have been newly purchased. That means I can’t open any door. Does anyone have an idea how to open the door? Thank you
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From: Brooklyn, NY
2007 S550 4Matic 2013 S550 Base
I would really appreciate some help from anyone out there. I have a 2013 Mercedes W221 350 petrol. The doors cannot be opened with the emergency key. The car has been sitting in the garage for at least 2–3 months, and both batteries have been newly purchased. That means I can’t open any door. Does anyone have an idea how to open the door? Thank you
Thread Starter
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mercedes s w221 350 2013
I have tried several times, but the pin that you can see inside hardly moves. I never had any problems before. However, since the battery is dead and it is cold outside, it is simply not possible. Even though I turn the emergency key, nothing happens.
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W221 S500
Insert key turn it towards the rear of the car and leave it there. Then repeatedly pull the handle.
It will unlock even if the button doesn't lift up.
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From: Phoenix
222 S-65
Or.... OP batteries are dead?
The hood release cable can be accessed via the left front fender liner in front. Not pleasant but this way you can release the hood and power up the car via the power point under the hood. Then see if with a fresh fob battery it wants to play.
The hood release cable can be accessed via the left front fender liner in front. Not pleasant but this way you can release the hood and power up the car via the power point under the hood. Then see if with a fresh fob battery it wants to play.
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W221 S500
Or.... OP batteries are dead?
The hood release cable can be accessed via the left front fender liner in front. Not pleasant but this way you can release the hood and power up the car via the power point under the hood. Then see if with a fresh fob battery it wants to play.
The hood release cable can be accessed via the left front fender liner in front. Not pleasant but this way you can release the hood and power up the car via the power point under the hood. Then see if with a fresh fob battery it wants to play.
Battery condition is totally irrelevant.
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From: Phoenix
222 S-65
I hope that OP has already managed to open the car.
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W221 S500
The lock is totally mechanical. It categorically does NOT require electricity to unlock. I know this because when you leave the car for a length of time it goes into a hibernation mode and the remote locking is one of the first things to shut down.
The following video is on my own car, just to prove the point.
As you can see, the button doesn't pop up instantly and you have to operate the handle about 20,000* times more than you think you should.
@JohnLane You can apologise once you've watched it 😘
*Obviously exaggerated to emphasise the point. (Feel free to substitute the 's' for 'z' if actual English isn't your first language)😂.
Last edited by AL5461; Feb 1, 2026 at 12:42 PM.
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From: Phoenix
222 S-65
The procedure is great IF IT WORKS.
We haven’t heard back from OP so perhaps it worked.... Perhaps he fixed the car with fire.... Perhaps he went to live somewhere warm where door locks don’t freeze. Of course once thawed there is no guarantee the lock cylinder will turn. Being unused for years whilst being slowly digested by road salt that get in them.
Neener!
We haven’t heard back from OP so perhaps it worked.... Perhaps he fixed the car with fire.... Perhaps he went to live somewhere warm where door locks don’t freeze. Of course once thawed there is no guarantee the lock cylinder will turn. Being unused for years whilst being slowly digested by road salt that get in them.
Neener!
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From: Phoenix
222 S-65
He didn’t mention that his garage is heated. Much of the country being blessed with the current fourth season that is what it is.
Door locks in my car sound and behave much different when the car is frozen. They are working to unlock the door. Sedona was beautiful but cold. Glad to be back in the valley.
Door locks in my car sound and behave much different when the car is frozen. They are working to unlock the door. Sedona was beautiful but cold. Glad to be back in the valley.
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W221 S500
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From: Brooklyn, NY
2007 S550 4Matic 2013 S550 Base
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W221 S500
QED: Turning the key and pulling the handle repeatedly obviously opens the door. As the video demonstrates.
Shouting doesn't make it any less so.
Another take, just to prove that the key was inserted, turned and the handle pulled repeatedly to unlock and open the door.
Last edited by AL5461; Feb 2, 2026 at 05:55 PM.
