Problem with Key
Thread Starter
Newbie
Joined: Jul 2005
Posts: 13
Likes: 0
From: NoHo, CA
2001 C320
Problem with Key
I have the standard black w203 keys. I have one and my wife the other, when we bought the car the keys worked equally. No difference between them.
Since I am the primary driver for this car, my key has seen more abuse than hers and has developed cracks on the Open and Lock buttons. Then one day when I unlocked the car, all 4 doors unlocked, instead of only the drivers door.
I contributed this to the cracked key because my wife's key works like it did from the dealer.
I bought a new MB key shell, transferred the electronics from one key to the other (installed fresh batteries in too) and the key works great, except for the key unlocks all the doors instead of the drivers door only.
I have tried numerous ideas to fix this and nothing works.
How can I stop all four doors unlocking when only the driver door should be unlocked?
Also at one time both keys were able open and close the windows and sunroof with the key. Neither key can do this function now. Any thoughts?
Since I am the primary driver for this car, my key has seen more abuse than hers and has developed cracks on the Open and Lock buttons. Then one day when I unlocked the car, all 4 doors unlocked, instead of only the drivers door.
I contributed this to the cracked key because my wife's key works like it did from the dealer.
I bought a new MB key shell, transferred the electronics from one key to the other (installed fresh batteries in too) and the key works great, except for the key unlocks all the doors instead of the drivers door only.
I have tried numerous ideas to fix this and nothing works.
How can I stop all four doors unlocking when only the driver door should be unlocked?
Also at one time both keys were able open and close the windows and sunroof with the key. Neither key can do this function now. Any thoughts?
Super Moderator
Joined: Mar 2007
Posts: 5,295
Likes: 22
From: VA
THE C350
Well this is easy you enable the unlock of all doors with your key but not hers. Simple setting change you hold down the lock and unlock for like 10 seconds and it switches back and forth it is in the owner’s manual.
Second issue is the ir sensor in the door probably went out don't bother trying to fix to expensive.
Second issue is the ir sensor in the door probably went out don't bother trying to fix to expensive.
Member
Joined: Jan 2013
Posts: 76
Likes: 1
2002 MERCEDES BENZ C320
1- Selective set up : will open the driver door with the first CLICK , the 2nd CLICK will open all doors and trunk .
2- Global set up : One CLICK will open all doors and trunk .
So , you must have changed the selective to Global , you can change back to selective as was explained ubove.
2- Global set up : One CLICK will open all doors and trunk .
So , you must have changed the selective to Global , you can change back to selective as was explained ubove.
Member
Joined: Jan 2013
Posts: 76
Likes: 1
2002 MERCEDES BENZ C320
I went to chk my car , put the 4 windows down , the back door behind the driver didnot come up, I tried many times, up and down , i hear the motor noise and a little movement with the glas , but it is below the level and i canot help it by hand . Any ideas ? Thanks
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