cidernet said: The alarm issue and the central lock issues are not related. The culprit for the alarm was the hood switch which very often fails. By disconnecting it your alarm still works except monitoring the hood. See more. __________________. 2010 BMW 550i MT. 2003 BMW 325i @216k and counting. 1998 BMW 528i MT @ 231k //sold. For some reason, GM5 problems occur with unlocking much, much, more often than locking. Here are a few tell tale signs for determining which is the faulty part. 4-door - all 4 doors fail to unlock -> GM5. 4-door - all 3 passenger doors fail to unlock -> GM5. 4-door - only 1 of the passenger doors fails -> Actuator. central locking My central locking failed because of water damage, after buying a central locking unit on ebay it still did not work. My son contacted a Mercedes technician who came to the house and said there was no power going to the rear fuse box, after checking out the front fuse box, power was going to the rear from there. he then ran a temporary cable to the rear fuse box and the central Unfortunately, there are many electronics and moving parts involved, so it's possible to find your car's central locking system not working at some point in time. A failing car central locking system might be due to a blown fuse, faulty solenoid, or electrical wiring issues. SOURCE: Central Locking does not work. You must reset your remote control in order for the lock/unlock to work properly. To reset remote you would: 1)Insert Key in Ignition Turn to Position 1 (Don't Start the Engine) for about 5 seconds. 2)Turn Key Off and HOLD the LOCK button on Remote while pressing the UNLOCK 3 TIMES. AeT4I9g.

central locking not working