It can be done. Keys locked in car
Thread Starter
Senior Member
Joined: Sep 2007
Posts: 368
Likes: 11
From: Iowa
2019 S450
It can be done. Keys locked in car
Wife closed trunk in 2012 S550. Problem is she hit the lock button by mistake and then hit the close trunk button. Lucky I had mechanical key in my billfold.
Thread Starter
Senior Member
Joined: Sep 2007
Posts: 368
Likes: 11
From: Iowa
2019 S450
The keys were in the Car not in the trunk. The Lock button right next to the trunk closing button locked all the doors and then she shut the trunk and all was locked up tight.
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MBWorld Fanatic!
Joined: Jul 2007
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S350 BT 4MATIC
I inadvertently hit both the trunk close and lock buttons while closing the trunk and my key was inside the car and I got an alarm and a reminder to remove my key - seems there was an interesting malfunction
MBWorld Fanatic!
Joined: Dec 2001
Posts: 3,430
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From: USA
W140 Mercedes S350, W221 S550 sport
Correct, it works the same way as my trunk video. You can't lock the keys in the car, if they are IN IT. Something is wrong.
MBWorld Fanatic!
Joined: Dec 2011
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W212 FL
May be there was a second key fob in her purse or pocket and it locked that way . There is no way you can close and lock the car with a keyfob is in the car .
I recently discovered something, I left one of the fobs inside the car and I was able to lock the car with other keyfob was in my pocket .
I recently discovered something, I left one of the fobs inside the car and I was able to lock the car with other keyfob was in my pocket .
MBWorld Fanatic!
Joined: Dec 2001
Posts: 3,430
Likes: 187
From: USA
W140 Mercedes S350, W221 S550 sport
May be there was a second key fob in her purse or pocket and it locked that way . There is no way you can close and lock the car with a keyfob is in the car .
I recently discovered something, I left one of the fobs inside the car and I was able to lock the car with other keyfob was in my pocket .
I recently discovered something, I left one of the fobs inside the car and I was able to lock the car with other keyfob was in my pocket .
MBWorld Fanatic!
Joined: Dec 2011
Posts: 4,373
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W212 FL
I tested it , you can lock it from outside providing that one of the fobs is in your hands, pocket, bag whatever .If two fob is inside or only one fob is nearby you can not lock the car .
Thread Starter
Senior Member
Joined: Sep 2007
Posts: 368
Likes: 11
From: Iowa
2019 S450
For emergency would it work to take the battery out of a remote and hide it in the car. Then you could enter the car with your mechanical key and insert the smartkey in the ignition and still enter the car and start it .
