How can I lock my Mercedes W123 door?
Pull this line from the “Y” connector, attach your vacuum pump and draw a vacuum of 10 to 15Hg on this side of the system. If the rear driver’s side door is unlocked, doing this should lock it. Watch the gauge for a short time and look for vacuum leaking off.
Where is the vacuum lock system on a Mercedes?
Begin under the hood of the car, on the driver’s side, back near the large round brake booster. You will see a yellow check valve with two connections coming from it. One connection is a 3-way “Y” connection with two yellow lines coming out of it. This is the feed for the vacuum door lock system.
Where is the vacuum pump on a Mercedes W123?
Return to the lines under the plastic cover at the outside edge of the driver’s side footwell. The red line that is highlighted travels straight back in to the rear driver’s side door. Pull this line from the “Y” connector, attach your vacuum pump and draw a vacuum of 10 to 15Hg on this side of the system.
Where is the check valve on a Mercedes W123?
Begin under the hood of the car, on the driver’s side, back near the large round brake booster. You will see a yellow check valve with two connections coming from it. One connection is a 3-way “Y” connection with two yellow lines coming out of it.
Pull this line from the “Y” connector, attach your vacuum pump and draw a vacuum of 10 to 15Hg on this side of the system. If the rear driver’s side door is unlocked, doing this should lock it. Watch the gauge for a short time and look for vacuum leaking off.
Begin under the hood of the car, on the driver’s side, back near the large round brake booster. You will see a yellow check valve with two connections coming from it. One connection is a 3-way “Y” connection with two yellow lines coming out of it. This is the feed for the vacuum door lock system.
Return to the lines under the plastic cover at the outside edge of the driver’s side footwell. The red line that is highlighted travels straight back in to the rear driver’s side door. Pull this line from the “Y” connector, attach your vacuum pump and draw a vacuum of 10 to 15Hg on this side of the system.
Begin under the hood of the car, on the driver’s side, back near the large round brake booster. You will see a yellow check valve with two connections coming from it. One connection is a 3-way “Y” connection with two yellow lines coming out of it.
How do you install a central locking system?
CENTRAL LOCKING SYSTEM INSTALLATION MANUAL ACTUATORS INSTALLATION 1. Remove door panels carefully 2. Install actuator in correct direction as shown in figures 1-a, 1-b and figure 2. Make sure that actuator will not block other moving parts inside of door (screen and its mechanism). Also make sure that actuator is moving parallel to door lock bolt.
What should I do if my Mercedes key fob is not working?
If you need a replacement battery note that Mercedes-Benz uses CR2025 battery type. Ensure you have new batteries in your key fob. Next, look carefully at your Mercedes-Benz key. When you press the button on your key you should see a small RED led light. The light should light up every time you press any of the buttons (Lock, Unlock, Panic, Trunk).
Is there a problem with my Mercedes door lock?
When taken to a Mercedes specialist, this issue can be relatively easily-isolated. Vacuum door locking systems have been used in many Mercedes models for many years. Because of this, it is typical for older Mercedes models to run into issues with the various system components.
Where is the central locking system on a Mercedes?
The locks are vacuum operated. The pump is next to the battery under rear seat. Do you hear the pump starting when you press the remote, or dash button? 1994 E320 Wagon,1999 E320 Wagon,2000 E 320 Wagon, MGB Track/Rally, ,1988 300E ,more…. Resolved his problem.
Is the door lock system on a Mercedes W123 controlled by vacuum?
The door lock system on a W123 is controlled entirely by vacuum. It is a system made of many parts and can be complicated to diagnose properly if you’ve never done it before, and especially if the system has been left to deteriorate for some time. The first step to fixing the system is to properly diagnose it.
How to diagnose a Mercedes Benz vacuum lock?
Begin by removing the floor mat, if equipped, and carpet in the driver’s foot well. With the carpets removed, look along the end of the foot well nearest the driver’s door and find the black plastic cover that protects the vacuum lines beneath. Lift this cover up as shown to expose the vacuum lines.
Why is my driver’s side door lock not working?
Thanks to the good people here at Benzworld.org I was able to fix my driver’s side door lock without involving my mechanic or having to buy parts. This seems to be a huge issue with W202’s and something that many of you will also deal with. My driver’s side door lock stopped working.
What are the interior door panels on a Mercedes?
Door damage can also be something that makes it harder to open or close the doors in general. If you need new interior door panel parts, you’re in the right place. Description: Door, 1996-02, upper. Description: Driver side, passenger van, lower trim. Passenger side, passenger van, lower trim.
Why does my Mercedes Benz door not lock?
Unfortunately, as the cars age, the components of the vacuum system can deteriorate, eventually leading to leaks that will typically prevent one door from locking while the others lock with no problem.
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.
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.