Why is my Mercedes ML320 door lock not working?

The Problem: The actuators for the individual doors get damaged and jammed thus not responding to the motor when it tries to lock or unlcok the door. When using the keyfob or the dash button for locking or unlocking the doors, the jammed door actuator tries times to complete the lock/unlock action.

What to do when your central locking is not working?

What to do when your car’s central locking is not working A selection of electrical rocker switches controls the locking of your car doors. Car door locks can still be activated manually (by a traditional key in a lock method), but more commonly we all use the electronic key fob to activate the switches.

How to manually unlock a Mercedes Benz ml430 ml500?

Determine which door has the broken actuator. Manually unlock all the doors. Lock your doors. One of them will still be unlocked. Manually lock all the doors. Now unlock them. One of them will still be locked. If your doors work properly. Check the lift (trunk) gate. 2.) Using a flat screwdriver, remove the cover from the door handle.

What happens when you use the keyfob on a Mercedes ML320?

When using the keyfob or the dash button for locking or unlocking the doors, the jammed door actuator tries times to complete the lock/unlock action.

How to disable automatic lock on Mercedes ml430 ml500?

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. Don’t start the car yet.

What happens when a central lock fails on a car?

Sometimes a door’s lock actuator might fail. It is an electronic part that is fitted to each door which controls the opening and closing of each door’s lock. If a door’s actuator fails, you will find that the door simply won’t open. Other doors on the car will most likely still open.

Where is the drain seal on Mercedes ML320 door?

Locate the hole at the edge of your door. It is covered by a rubber drain seal that prevents water from coming in the edge of your door, directly lined with your door handle from outside! Use Torx “T27” and unscrew the bolt directly leveled with the entrance cavity. Hint: You do not need unscrew it all the way.

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. Don’t start the car yet.

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.

Why are my door locks on my ML 500 not working?

Both of the door locks on the right side of my ML 500 are not working properly. They bounce up and down but do not lock. Here is a video of what they do:

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 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 are my Mercedes Benz door locks moving up and down?

Are your Mercedes Benz ML door locks moving up and down rapidly on your ML? This is also known as the Machine Gun Locks problem. 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.

What to do if your Mercedes door won’t open?

Several types of door lock problems have been identified across the Mercedes line, but with identifiable solutions–including some you can handle yourself. If all of the locks on your Mercedes fail to open (or close) first check your key fob to make certain that its battery is working.

What to do if your Mercedes door lock is not working?

If all of the locks on your Mercedes fail to open (or close) first check your key fob to make certain that its battery is working. Replace the worn out battery, if necessary. If key fob is working, you may have a faulty key fob, which can be repaired or replaced by taking it to your dealer.

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.

Where does the rod go in a door lock?

It turns out that there is a rod that goes from the door lock to the vacuum actuator…when I took the door lock out (after great explanation from a post here) I noticed that the rod was missing. It appeared that it fell into the door. I posted again to see if anyone knew where I could buy one of these parts.

When using the keyfob or the dash button for locking or unlocking the doors, the jammed door actuator tries times to complete the lock/unlock action.

Can a front passenger door lock with a fob?

The front passenger door works regardless of any method used. The front driver will lock\nlock with a manual key. Any of the buttons used on any door will lock the passenger door but no other doors. Have replaced the fob battery and also checked EVERY fuse and relay.

Why is the liftgate not working on my Mercedes ML350?

If you manually close the tailgate, will the latch lock and pull the tailgate tighter? A bit of history. Shortly after I bought the vehicle, the liftgate stopped working. When I would push the remote lift button, it would disengage the latch but not lift. Then the latch would re-engage and shut tight.

Why is the tailgate not closing on my 2009 ML320?

The boot/tailgate of my 2009, ML320 CDI will no longer close automatically. It opens correctly by remote key, switch near drivers door and by operating the boot handle. However it won’t close. Any suggestions?

Is the rear door lock on my Jetta TDI not working?

My 2009 jetta tdi passanger rear door wont lock anymore. After researching this, I see it is a very common problem. Two other problems started at the same time. The lock/unlock buttons on the same door don’t work either.

What’s the problem with my Sierra 4WD door lock?

My 2009 1500 Sierra SLE 4WD driver side door lock does not work. The electric lock control will not work either door, nor does the key fob lock/unlock driver door. So I have to manually push down door lock and use key to unlock/open driver door.

What causes a door lock on a GM truck to fail?

GM wires are very fragile many have had wire breaks and connector pin failures on the NEW GM trucks. Four things fail when it’s an “individual” door lock actuator.starting with the most common. Fourth, which is rarely seen, the lock actuator has an internal electrical failure.

How to discuss a Mercedes Benz door lock problem?

Start a new thread on your specific issue. Also try using the ‘search community’ at the top of your webpage for other threads on the w202 forum and even the w210 forum. ===>>> Update your user CP info…. Did you find the recommended reading relevant to this discussion?

What are the names of Mercedes door handles?

Other Names: Air Grille Bolt, Knee Air Bag Bolt, Vent Grille Bolt, Handle, Inside Bolt, Grille Screw, Spoiler Bolt, Wheel Flare Screw, Lock… More Names Description: With surround view.

Why does my Mercedes door handle not open?

If your door does not open, it likely means something is wrong with the linkage rods or the handle might have broken itself. You can find all kinds of OEM Mercedes replacement exterior door handles here on our site. Description: Rear.

How to remove the door panel on a Mercedes?

You will need a set of Torx sockets. To remove the door panel, you will need your screwdrivers, trim plastic wedge but also must have Torx Bit Socket Set if you need to take any other componenet off the door. Using a plastic wedge pull out the outside mirror plastic cover. It is held in place with clips, no screws need to be removed.

How to fix a broken actuator on a Mercedes Benz?

STEP BY STEP! 1.) Determine which door has the broken actuator. Manually unlock all the doors. Lock your doors. One of them will still be unlocked. Manually lock all the doors. Now unlock them. One of them will still be locked. If your doors work properly. Check the lift (trunk) gate. 2.)

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.

Where is the gas tank door on a Mercedes’s 500?

Look just under the trunk hinge, on the right hand side, near the top of the trunk compartment. It will not take you long until you find out that I am new to this forum – which might also have you believe that I am a new Mercedes owner. That is in fact true. I am a new owner of a 2000 S 500 that I won from an auction.

What happens when you put regular gas in a Mercedes Benz?

Regular gas can reduce the life of the engine, trigher malfuctions such as Check Engine Light and most importantly it can cause the fuel to pre-ignite, causing pre-detonation (engine knocking). Using lower rated gasoline on your Mercedes-Benz not only causes problems but also decrease the fuel efficiency.

How do you open the fuel flap on a Mercedes Benz?

Open the fuel door, depress the latch that holds the door shut, lock the car, and you will see the metal pin move to the locked position. Spray the pin with the lube of your choice and actuate the locks a few times. After 3 – 4 lock/unlocks the pin began to move smoothly.

Where is the gas filler door on a Mercedes W124?

It’s been a long time, but I believe that on a W124, if the electric lock solenoid doesn’t release, there is a manual release for the filler door in the trunk. Look just under the trunk hinge, on the right hand side, near the top of the trunk compartment.

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.

What to do if your car door won’t lock?

You have a broken wire: If the lock isn’t getting power, hold the lock switch either up or down, and then open and close the door repeatedly to see if the lock will work. If it works sometimes, you probably have a broken wire.

Why is my car door not opening from outside?

Diagnosing why your Car Door won’t Open From Inside Or Outside: Connection issues: A common reason for car locks to get jammed is a damaged connection to the car door latch. While diagnosing the issue, you will have to check all internal and external connections, door lock cylinder, and the interior locking switch.

What to do if your door lock actuator is not working?

Sitting in the car with the doors shut, press on the locking switch of the affected door lock actuator. Then operate the inside door handle and open the door. If the door lock actuator is operating correctly, opening the interior door handle will override the door lock actuator.

How to disable automatic lock on 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. Do this: Turn the key to position 2, all your cluster lights are on.

How do you unlock a Mercedes with a keyless remote?

Step 1 Place your key in the car’s ignition and turn the key two clicks to the “On” position for any Mercedes car. Press and release the lock button on your Mercedes keyless remote. Press and hold the unlock button on your remote.

How long does it take to take a Mercedes door handle off?

Took me about 3 hours to figure out how to take the door apart the first time. Took me less than an hour to reassemble. Note you will need at least a 4 inch long T20 and T15 torx driver to take off the outside door handle. I have all of the MB instructions at home.

What kind of driver do I need to remove door handle?

You will need a torx driver with at least a 4 inch shaft to get to the torx screw for the door handle removal. 3. Buy a set of nylon trim and molding removal tools. It will help get the panels off without scratching the panels or the paint.

What do I need to repair a Mercedes door lock?

2. You will need a torx driver with at least a 4 inch shaft to get to the torx screw for the door handle removal. 3. Buy a set of nylon trim and molding removal tools. It will help get the panels off without scratching the panels or the paint.

Are there any problems with the Mercedes vacuum door lock?

Luckily, not all shops operate this way. One of the common issues that are present in a range of Mercedes vehicles is problems with the vacuum door locks. Vacuum door locks were invented decades ago, and remain a part of many vehicle designs today.

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.

Are there any problems with my Mercedes ML 320?

Low range light flashing. Power steering problems. Will need power steering pump replacement. Door lock actuators also tend to be prone to failure. Plastic trim inside the car break easily. Window regulator. Fuel pump. Oxygen sensors. Alternator may need replacement between 130k and 170k miles.

How much does it cost to replace a door latch on a Mercedes ML350?

The affected door latch should be replaced to correct this concern. The average cost for a Mercedes-Benz ML350 General Diagnosis is between $143 -$180. Learn More Good news!

How to fix a bouncing door lock on a Mercedes?

Quick Fix for Mercedes Bouncing Door Lock 1 Remove the door pin or at least pull it up in the unlock position. 2 Take 1 inch of electrical tape and apply it around the door lock pin. 3 Ensure the door pin can go up and down. 4 Take your Mercedes-Benz for a test drive. Your door lock should not bounce up and down anymore.

What’s the best way to lock a Mercedes Benz door?

9.) Locate the hole at the edge of your door. It is covered by a rubber drain seal that prevents water from coming in the edge of your door, directly lined with your door handle from outside! Use Torx “T27” and unscrew the bolt directly leveled with the entrance cavity.

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.

Where is the IR sensor on a Mercedes W210?

Pull the gasket out of the channel on the rear of the door. You want to find the small access hole inside the channel. This will allow you to access the small 4mm Allen bolt that retains the IR sensor/Door handle (green arrow). Carefully loosen the bolt until you can remove the IR sensor on the door handle.

Are there any problems with the Mercedes ML350?

See all problems of the 2007 Mercedes Benz ML350 . The turn signals randomly stop working. Vehicle must be turned off and restarted to get signals to work again which only lasts for an unknown number of times. Major safety issue.

Why are my turn signals not working on my Mercedes ML350?

The most recently reported issues are listed below. The turn signals stop working after driving the car for a few minutes. To get them to work again requires stopping the car, shutting off the engine and restarting it which in turn resets the computer.

Why does my Mercedes Benz make a clicking sound?

The clicking sound and the rest of the symptoms may be attributed to a broken stepper motor lever or the footwell damper linkage. This is a common problem in MB C230, C240, C320, CLK320, CLK350, CLK500 but this problem can affect other Mercedes-Benz models such as E, S, CLS, GL, ML Class.

Why does my Mercedes Benz make a clicking noise?

It requires electrical power to crank the engine. The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars.

Can a front door lock on a Mercedes be opened?

According to the NHTSA, “…the exchange of a front and a rear passenger side door lock would result in a passenger side door that cannot be opened by merely pulling on the interior handle and a rear door lock that can be opened with a simple pull of the interior door handle even if locked.”

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).

How do you sync the remote on a Mercedes?

Instructions on how to sync Mercedes remote: Insert the key into the ignition. Quickly remove key from ignition and within 10 seconds hold down the lock button. Continue holding the lock button, and at the same time press, the unlock button five times. Next release all buttons and press the gate/trunk button one time.

Can a faulty door lock actuator be repaired?

The power door lock actuator can be integral to a car door lock repair. If a remote device or unlock switch fails, the actuator may be faulty. Car door lock actuators are designed to lock and unlock a door without the effort of pulling on a cable and rod.

Where is the lock actuator on a car?

Each door in your vehicle has what is called a door lock actuator on it. A door lock actuator is mounted on the inside of a car door, and it contains a series of parts in it including an electric motor, gears, and cables that connect to lock on the door.

What happens if you have a bad door lock actuator?

You’ll still be able to operate the lock manually, but the power function will not work. In some instances, a bad actuator may cause the door lock to behave erratically—locking or unlocking when it should not.

What happens if my door lock does not work?

Power door locks do not function Another symptom of a potential problem with the door lock actuators are power door locks that do not function. If the door lock actuators fail, they will disable the power door lock feature from working.

Why is my drivers side door not working?

It seems the lock actuator rod has popped off the lock cylinder inside the door ‘more’ than likely, might as well call a locksmith or a car savvy buddy to break into your vehicle for you.. Then the necessary repairs can be made..just remember not to lock doors again until after that has been done!

Why is the driver’s door on my Malibu not opening?

Same thing happened to my fathers ’10 Malibu. The door may eventually open if you play with it enough. Cycle the locks, lock, unlock a few times then try the door from either side. Door panel should come off with the door shut but you still have to open the door to replace the latch.

Where is the fuse box on a 1998 Benz ML320?

The main fuse box is located in the engine bay. It is on the left (driver’s) side of the engine. Pull the two tab toward the front and you will be able to lift up the fuse panel cover. Fuses in the engine bay ML Class 1998-2002 W163

How does the hood latch on a Mercedes Benz work?

Before we start troubleshooting it is important that we understand how a hood latch works. The hood latch has a two-step lock. One function is to completely lock the hood in closed position and the other function is to lock the hood from opening when you drive down the highway.

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.

Why does my Remote key not unlock the door?

When the physical key can lock or unlock the door, be sure that the mechanism of the locks is fine. There could be an electrical issue that prevents the fob from connecting to the door’s receiver sensor. These are mostly the reasons and troubleshooting options when a remote key won’t unlock car door.

How does a remote central locking system work?

How your remote central locking works The mechanical explanation to describe your car’s central locking system function goes like this: Your remote button sends a signal to the door lock relay. The lock relay activates the lock actuator inside the door.

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