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wife locked the key in the trunk, can I remotely help her to open it?

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Old 10-11-2011, 03:05 PM
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2012 C300 4Matic Sport, AMG package
wife locked the key in the trunk, can I remotely help her to open it?

My wife just called, she locked the key in the trunk, I'm at work now so is there any way to remotely help her to open the trunk? Thanks.

She used to drive another car which is not allowed to lock the car without pressing the lock button if a key is detected inside the car, so I won't blame her.

Last edited by imbane; 10-11-2011 at 03:20 PM.
Old 10-11-2011, 03:13 PM
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c300
use the cell phone trick and see if it works

call your wife on her cell from your cell.
press the the unlock on your key(holding it near your cellphone)
make sure she's about a foot away from the car door when you do the above.

dont know if it's a myth, but worth giving it a try.
Old 10-11-2011, 03:15 PM
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2012 C300 4Matic Sport, AMG package
Originally Posted by sudhanshu3
use the cell phone trick and see if it works

call your wife on her cell from your cell.
press the the unlock on your key(holding it near your cellphone)
make sure she's about a foot away from the car door when you do the above.

dont know if it's a myth, but worth giving it a try.
I've wanted to try this, but she locked her purse in the trunk, the cell phone was in the purse..
Old 10-11-2011, 03:29 PM
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Are the car doors also locked?
Old 10-11-2011, 03:34 PM
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Of course you can help her unlock the car remotely. Just call her a locksmith or AAA. It's hilarious how someone even recommended the cellphone to keyfob myth. lolz
Old 10-11-2011, 03:39 PM
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2012 C300 4Matic Sport, AMG package
Originally Posted by bnam
Are the car doors also locked?
Yes, after she got back to the car, she only opened the trunk with remote, put groceries in (and her purse) then closed the trunk. The doors were still locked at that moment.

Last edited by imbane; 10-12-2011 at 09:11 AM.
Old 10-11-2011, 03:47 PM
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I done the same thing last month but the boot just poped open again was shocked
Is it not the same with all w204s
Old 10-11-2011, 03:53 PM
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Originally Posted by mir_m
I done the same thing last month but the boot just poped open again was shocked
Is it not the same with all w204s
I'm not 100% sure what happened there, I'll try to re-produce the issue tonight.
BTW it's a 2012 c300
Old 10-11-2011, 04:26 PM
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Originally Posted by imbane
Yes, after she got back to the car, she only opened the trunk with remote, put grocery in (and her purse) then closed the trunk. The doors were still locked at that moment.
i did this same thing before, had to get a ride home and get the spare key
Old 10-11-2011, 05:23 PM
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If you subscribe to mBrace or Teleaid, they can unlock it.

OR

If you have the remote start/smartstart system, you can open it and unlock it from anywhere in the world...
Old 10-11-2011, 06:04 PM
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damn aint that a *****! but how did the car lock so fast?
Old 10-11-2011, 07:06 PM
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my trunk pops right open with the key inside.
Old 10-11-2011, 07:16 PM
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Originally Posted by Blazeitup123
my trunk pops right open with the key inside.

That's because you have keyless Go!
Old 10-11-2011, 07:30 PM
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R63 AMG; CLK430; 240D; B200; E500 wagon 4Matic
Originally Posted by imbane
I'm not 100% sure what happened there, I'll try to re-produce the issue tonight.
BTW it's a 2012 c300
Keyless-go option - Yes, it can inadvertently not recognize the key inside the vehicle and lock on its own! I was told by the dealer it has to do with how close your remote key is to a "high-frequency" signal such as a cell phone; laser jammer and etc.

It happened to me once.... won't make that mistake again. Lucky I don't carry a man-purse - LOL. It happened that my remote keys along with my iphone were put into a pocket of my golf bag and sure enough, placed the clubs into the truck and closed the truck door, it locked. By then too late... had to go get the spare remote from the office.

... best you do the same partner.
Old 10-12-2011, 01:53 AM
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I have securely taped a spare key under the car body work to use in these circumstances. Have done for 45 years.

In the unlikely event of anyone dodgy finding it , they can only pinch what is in the car . They cannot steal the car.


I have organised this in my childrens cars & they have been bailed out regularly !!
Old 10-12-2011, 01:58 AM
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Had this happen to me once while taking something heavy out of the trunk.

Doors were already locked so as soon as that trunk shut. Beep-Beep-Beep.

Doesn't Mercedes have a remote unlock assist??? I feel like I've heard it as an option when calling their help line.
Old 10-12-2011, 08:37 AM
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Can MB roadside assist unlock for her?
Old 10-12-2011, 09:08 AM
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Get the groceries to pull the emergency trunk release from the inside.
Old 10-12-2011, 09:09 AM
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Originally Posted by LDL2010
Can MB roadside assist unlock for her?
Yes, after 3 hours I remembered the MB roadside assist might be able to unlock the car.... can they?
Old 10-12-2011, 09:30 AM
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LOL

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