Question about 2001 Mercedes-Benz ML 270
Passenger door wont lock
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Central locking
you would have to take apart the door panel and check were the lock rod is their is a rubber copling which needs to be lubricated
with silicone grease,check the operation before you install door panel if is working ok,you dont have any other problem,but if it does'nt work you would need to replace complete latch.
Posted on Sep 04, 2008
SOURCE: 1995 Mercedes Benz S320
sounds like you have a wiring problem in the main lock switch in the driver side door or wires that run from there to the other doors. one of the wires in this system does not have a good enough connection to allow enough current to operate the locks. put another way, the wire itself is introducing unwanted resistance which reduces the current flow. the resistance could be a result of a poor connection at a junction or a section of wire which has corrosion or some other problem which diminishes flow. to find exactly where the problem lies will involve removing door inner panels and making voltage drop tests across connections. works something like this: i started out with 12v dc, i know this component should use 3.4 v (or whatever it is) but now i only have 4 v coming to this next component. so the wire is using some of the voltage. some drop in the wire is normal, but not very much. that is how i would troubleshoot it. you can just check the connections to power and ground, just look at things and make sure you don't see corrosion, wiggle connections and see if it makes something different happen, but you will still have to take the doors apart to do it. hope that helps
Posted on Jun 04, 2009
Turn ignition switch to position II. Turn ignition switch to position 0 and remove key. Within 1 minute: Press and hold key lock button. Press unlock button 5 times. Remote control should now operate system. If not: Repeat procedure.
Key remote control added or replaced. System malfunction.
Keys can only be programmed using diagnostic equipment.
NOTE this only works on ml up to 05
Posted on Feb 28, 2010
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