How to change the door lock on a Mercedes Benz?
You’ll see the metal hook connecting the door handle to the release latch. Lift the hook out to release it from the latch. Now look at the backside of the seat adjustment switch. You’ll see the electrical harness going to the switch Pull the harness out of the switch. Also pull the harness going to the lower door light out of the door panel.
What kind of door lock does the Mercedes W210 use?
The W210 Mercedes was one of the last cars produced that still used the older, proven vacuum system before finally converting to electrically operated door locks.
When did Mercedes Benz start using vacuum operated locks?
Nowadays, electronics are nearly foolproof and are cheap enough to use in almost any application. Mercedes started using vacuum operated locks sometime in the 1970’s, when modern electronics were still expensive and not quite reliable enough to be used in a system that would be used so frequently.
How to replace the actuator on a Mercedes W210?
The first step in replacing the actuator is to disconnect the battery. Remove the small plastic plate at the bottom of the rear passenger seat. Underneath is a 11mm nut holding the negative terminal from the battery to ground. Remove the nut and pull the cable off. Remove the screw holding the door latch cover in place.
How to Relock a Mercedes Benz ml430 door?
Since the micro switch of the damaged door did not report a Locked /Unlock status to the All Activity Module (AAM), the AAM unlock and relock all the doors repeatedly until all the doors (micro switches) reported the Locked status. Solution: Replace the door lock actuator, door locks will functioned normally again.
How to replace the Mercedes W210 door lock actuator?
Now pry out the plastic tab holding the IRE sensor wiring harness to the door (green arrow). Also cut the zip-tie holding the harness to the mounting tab on the left of the door airbag (purple arrow). Pull off the vacuum connection going to the door lock actuator (yellow arrow). Use caution when pulling the vacuum line off.
How does the automatic lock work on a Mercedes ML320?
The ML is programmed to automatically lock the doors when you start driving. By disabling the automatic lock function, the car won’t try to automaticly lock the doors. Turn the key to position 2, all your cluster lights are on.
Why is my Mercedes Benz door lock not working?
This happens because the actuators in one of the doors is defective. The plastic tappet plate component inside the actuator has broken. You can try to replace the whole actuator or replace the broken part inside it. Watch the videos at the end of this article if you want to perform this repair.
How to replace the door lock actuator on a Mercedes Benz?
The first step in replacing the door lock actuator is to disconnect the battery. Remove the small plastic plate at the bottom of the rear passenger seat. Underneath is a 11mm nut holding the negative terminal from the battery to ground. Remove the nut and pull the cable off.
Since the micro switch of the damaged door did not report a Locked /Unlock status to the All Activity Module (AAM), the AAM unlock and relock all the doors repeatedly until all the doors (micro switches) reported the Locked status. Solution: Replace the door lock actuator, door locks will functioned normally again.
How much does it cost to repair a Mercedes Benz door lock?
Estimated Repair Cost: $300-$400 performed by a Mechanic. If you Do-It-Yourself you are looking to spend under $200. Parts: You can get them from these sellers for much less than the dealer. Temporary Solution: Disable the auto lock feature on the ML. The ML is programmed to automatically lock the doors when you start driving.
How do you open the trunk of a Mercedes Benz?
You will need to slide the locking tab with your thumb and pull out the metal key. Step 2. Insert the key into the trunk lock cylinder. Step 3. Turn the key until you hear the trunk pop open. Note: Avoid jump starting your Mercedes-Benz by connecting the jumper cables directly to the battery.
How can I keep my Mercedes medic doors open?
If you are going to keep any of the doors open, manually press the door switch. Find a way to secure the switch pushed in. Use a screwdriver to lock the door latch. Manually press the door switch. Find a way to secure the switch pressed. Use a screwdriver to lock the door latch.
How does a Mercedes Benz door lock work?
These cars use a vacuum operated system to lock and unlock the doors. The system uses a vacuum pump mounted under the passenger seat to either suck or blow air through lines to each door. At each door, there is a vacuum diaphragm that over time can leak and eventually fail.
Now pry out the plastic tab holding the IRE sensor wiring harness to the door (green arrow). Also cut the zip-tie holding the harness to the mounting tab on the left of the door airbag (purple arrow). Pull off the vacuum connection going to the door lock actuator (yellow arrow). Use caution when pulling the vacuum line off.
Nowadays, electronics are nearly foolproof and are cheap enough to use in almost any application. Mercedes started using vacuum operated locks sometime in the 1970’s, when modern electronics were still expensive and not quite reliable enough to be used in a system that would be used so frequently.