My MB ML350 stick key (metal key) wont unlock the door. The key goes in, it turns but the lock will not open.
I need to lock my remote key inside the vehicle, but would like to pull out the stick key and give that to a friend to open the car and then put the stick key in the remote and use the car as normal. But when I lock the car using the main remote, the stick key from the spare remote does not seem to be able to turn the lock to open the door. It goes in and turns, but nothing happens to the lock.
Check the door lock fuse in the fuse panel... try the key on another door... may just be that the manual lk is malfunctioning on that door... if the other doors don't respond and the fuse is good then the key probably needs to be reprogrammed by the dealer to the door... happens when your battery dies or is replaced.
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1) Key turns but dose not unlock door. This means that the rod that goes to the back of the lock has came off. This also means that is the reason door is not unlocking with the remote as it pops the lock rod inside the door which pushes the lock open. 2) Key does not turn lock at all but works passengers side door. This means that the locks has been changed in the door, but that doesn't sound like the problem as you say the remote doesn't open the drivers side door so more than likely the rod has came off the back of the lock
Sounds like the rod that goes from the lock to the key came off. There is usually a little plastic clip that holds it together and they break and you get what you are experiencing. You have to take the inside panel off of the door to get inside it.
sounds like the door lach is sticking
use some wd40 spray the lock and let it sit 4 a while
now since you have the inside skin off reach inside the door with 1 hand and try and open the door from the outside and see if the lock bar moves it usualy pushes down i think on a lach
if it goes up and down with no resistance make sure it is contacting the lach if yes make sure the door is unlocked
somtimes the lock is just stuck
after unlock open the door
push down on lock bar attached to lock then pull up on it if that fails to open door
after that all fails unlock door have friend pull handle and then give the door a good kick from inside just remember not the kick the glass
It is entirely possible that the unlock button on the remote is worn such that it is not making contact. I've seen this happen many times, as the unlock button is pressed so much more than lock. You might try to reprogram the remote first before you look into getting a new remote. The procedure goes like this.
Close and lock all doors
Key in and out of the ignition 6 times, hazard lights should flash twice
Turn key into accessory or on position
Unlock and lock doors with drivers switch
Press lock or unlock on remote
Hazards should flash again to verify recognition
turn key off
manually unlock door and then open and shut it.
you should then be able to test remote.
The key to the procedure is doing step two quickly
Hope this helps, if not you may need another remote or see dealer.
You might want to take the door panel off and check the metal rods that connect on the inside of the door to make sure that one of the plastic inserts hasn't broken. If you find that it has broken there are several different ways to fix that. Some use black tape, some use an epoxy. I don't recommend the epoxy due the the fact that that metal rod turns inside the metal bracket that controls the lock.