Why does my Mercedes C class door lock not work?

Why does my Mercedes C class door lock not work?

This article applies to the Mercedes-Benz C-Class w204 (2007-2014). Due to their frequent use, the springs in the door lock actuator mechanism wear out over time. This can result in the car’s locks malfunctioning; whereupon, they either don’t work at all or otherwise bounce up and down.

What are the fuses on a Mercedes C Class W204?

Below you will find fuses and relay diagram for Mercedes-Benz C-Class W204 (2008-2014). If you want to replace any fuses, make sure to replace it with the same color fuse or with the same ampere fuse.Otherwise you could overload the wires or even cause more serious problems to that circuit if you use a higher ampere fuse.

What kind of door panel does a Mercedes Benz W204 have?

I have a 2007 W204 and the passenger rear door behaved in the same way. Mine eventually wouldn’t unlock at all. Door panel has to be removed and part of the lock replaced.

Do you need alloy wheels for Mercedes W204?

All of these alloys are approved to precisely fit the Mercedes C Class Saloon W204 and include the full range of Genuine OE Mercedes wheels. Whether you’re looking for some newer wheels, wheels in a different style or just a spare set with some winter tyres – you can find an ideal set of wheels for your Mercedes above.

This article applies to the Mercedes-Benz C-Class w204 (2007-2014). Due to their frequent use, the springs in the door lock actuator mechanism wear out over time. This can result in the car’s locks malfunctioning; whereupon, they either don’t work at all or otherwise bounce up and down.

Where can I buy a Mercedes wheel lock?

There are many kinds of OEM wheel locks for sale out there, and they all differ by wheel style. The best way to make sure you get the right set for your car or SUV is to buy one online directly from Mercedes-Benz. It’ll come fitting your model from the start. You can take care of that right here at our auto parts counter.

Why does my Mercedes W204 C class not start?

Quite often mistaken for a dead vehicle battery, the w204 bodied Mercedes-Benz C-class suffers from a fault that will unfortunately leave you stranded at the best of times. Quite often we get a phone call from a customer telling us their car won’t start, even after replacing the battery.

What to do if your Mercedes steering lock is faulty?

The process includes removal of airbag, steering wheel and steering shaft components. We then repair the steering lock and reassemble without having to send any parts away. Both the repair and workmanship are covered by a warranty and we will endeavour to have you back on the road in a short period of time. Again saving you money.

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.

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.

Why does my door lock bounce up and down?

Your door lock should not bounce up and down anymore. The way that this fix works is by creating resistance at the door lock pin. This prevents the door lock pin from bouncing up and down when you lock the door or when the doors lock automatically.

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.

Where to buy a Mercedes W203 door lock actuator?

http://www.ebay.co.uk/itm/Mercedes-C-…video on how to replace the faulty spring from the Mercedes W203 Door Lock Actuator. You can purchase them at our Ebay shop. Category Autos & Vehicles Source videos View attributions Show moreShow less Loading… AutoplayWhen autoplay is enabled, a suggested video will automatically play next.

Why is my car door not locking properly?

A fuse is blown: If one door doesn’t work, but others do, the problem could be a blown fuse. Replacing the fuse will correct the problem. This is a cheap and easy fix. The solenoid is bad: Again, if one door doesn’t work, but others do, the problem could be with the door lock solenoid.

Why does my CLK not beep when I unlock the door?

My CLK has never beeped when locking/unlocking the doors remotely. All the required lights flash 3 times, but no beeps. I have assumed that this is a ‘market’ issue, and the UK market does not need a beep. After all – what good does it do? My CLK has never beeped when locking/unlocking the doors remotely.

Why does my 1999 ML 320 door not open?

If all is well the alternator may be the culprit, disconnect the alternator from the + of the battery and connect the ammeter, if there is a current there then you have drain in the alternator. Did anyone ever got a solution. My 1999 ML 320 doors wont open manually. The battery is flat. Key does not turn at all. Please help.

What to do if your Mercedes Benz key fob is not working?

1. Put the key in the ignition. 2. Quickly remove it within 10 seconds and hold down the Lock button. 3. While holding the Lock button, press Unlock five times. 4. Release these buttons and press the Trunk button once.

My CLK has never beeped when locking/unlocking the doors remotely. All the required lights flash 3 times, but no beeps. I have assumed that this is a ‘market’ issue, and the UK market does not need a beep. After all – what good does it do? My CLK has never beeped when locking/unlocking the doors remotely.

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).

What should I do if my car key is not working?

A good first step is to change the keyless remote battery. (If you’ve already done this, keep reading.) When you press the button on your key, look at it carefully to see what happens. You should see a red LED light, and this should appear whenever the Lock, Unlock, Panic, or Trunk button is pressed.

Why does my Mercedes-Benz remote lock not Beep?

By MY2006, they should all chirp. And the chirp is not the vehicl’s fanfare horn – it’s the actual alarm siren that produces the noise. Sometime after the MY2005 facelift, MBZ changed the system to chirp by default, without the need for the “Netherlands” setting. It was phased in slowly, with the E-class first, then the CLK, and others.

Why does my car remote not unlock the door?

Q: My remote won’t unlock or lock the driver side door but opens the other doors. My driver side door just stopped locking and unlocking when using the remote. The remote will open and lock the other doors. My car has 67000 miles. My car has an automatic transmission.

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.

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 is my central locking system not working?

Thanks in advance for your help. 1994 E320 Wagon,1999 E320 Wagon,2000 E 320 Wagon, MGB Track/Rally, ,1988 300E ,more…. may have interrupted the com between the module and the pump.Next step before more drastic measures is a reset of the system.

What are the common problems with Mercedes key fobs?

Common Mercedes Key Fob Problems Go to top 1 Mercedes key fob not working after battery change 2 Mercedes remote doesn’t work anymore 3 Keyless remote doesn’t lock/unlock the car 4 Mercedes key fob won’t unlock doors 5 Panic button doesn’t work 6 Trunk unlock doesn’t work

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.

Are there any recalls on Mercedes door locks?

That recall involved fixing the side door locks on affected models which might have been exchanged during production.

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

Check your fuse box first to determine if a blown fuse is keeping the lock from working. If so, replace the fuse. You likely have a shorted door lock actuator, which you can replace with a new unit for the lock that is not working. If a door unlocks, but will not lock again, then replace the door switch.

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.

That recall involved fixing the side door locks on affected models which might have been exchanged during production.

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 do you guys think about the Mercedes C180 Kompressor?

It has done about 70,000kms and is about $14,000 (including RWC). What do you guys think about this car? Good or not? What experiences have you had? I know that to service the car is going to be annoying and rather costly, and I am looking at some other cars, but at the moment, I want to know your thoughts on this car.

Is there a problem with my Mercedes C class?

I have Mercedes-Benz C-Class Estate (2009 model) that has developed a door locking issue. Earlier this year the driver’s door would occasionally not open unless I pressed the key fob repeatedly. Our local mechanic couldn’t identify a problem.

Is the C class C180 Kompressor W203 still made?

Mercedes-Benz C-Class C180 Kompressor W203 (2001-2007) has been discontinued. See all Mercedes-Benz Sedans. Cleaning & Maintenance ? Your trust is our top concern.

I have Mercedes-Benz C-Class Estate (2009 model) that has developed a door locking issue. Earlier this year the driver’s door would occasionally not open unless I pressed the key fob repeatedly. Our local mechanic couldn’t identify a problem.

How do you unlock a Mercedes Benz door?

What you need to do is to apply a small amount of tape to the door lock pin. Remove the door pin or at least pull it up in the unlock position. Take 1 inch of electrical tape and apply it around the door lock pin. Ensure the door pin can go up and down. Take your Mercedes-Benz for a test drive.

How do you remove the door handle on a Mercedes C class?

Once done, remove the handle’s blanking plate and unscrew the T20 Torx that holds the outer door handle. Now, in order to remove the handle, first remove small part of the handle release by removing the previous T20 Torx. Next, slide handle to the left to release from vehicle.

Why is my Mercedes C class key not working?

The main symptoms are the key won’t unlock the doors or start the car. You may see a blinking red light when you press a button. Insert the key and turn it to the “ON” position, then press and release the lock button on the key. Press and hold the remote’s unlock button.

Can a Mercedes C class door lock be replaced?

If the door locks in your C-Class are bouncing up and down or are otherwise not functioning properly, the system’s actuator might be broken. This is a costly component to replace at the repair shop, but it is something you can do at home. Read on to learn how to replace it yourself.

How do you unlock a Mercedes C class?

Insert the key and turn it to the “ON” position, then press and release the lock button on the key. Press and hold the remote’s unlock button. In 1-2 seconds, press the remote’s lock button five times in a row while holding the unlock button.

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.

Why is my Mercedes-Benz trunk not closing completely?

My 08 ML320CDI is at the dealer having a new latch installed at this time. They first updated the software, which it needed, but that did not repair it so the new latch was recommended. Since this problem has been ongoing since I bought it new, the dealer is not charging for the part, only labor although I am out of warranty with 80K miles.

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.

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 to replace the actuator on a Mercedes C class?

Attach wires to new actuator and slide into housing area. Re-install the bearing clamp, and slide the two foam blocks back into place. Re-install the T20 Torx screws and the door handle. Re-install the T30 Torx screws, and slide door trim back into place. Finally, re-install the T20 Torx screws as you slide the lock cover back into place. Help!

Why is my Mercedes R170 central locking not working?

Often if you listen carefully at the latch section on the door edge while the pump is running, any hissing is a sure indication that the pipe connector has broken inside the door and will need attention. To gain access to the door lock actuator and its yellow pipework you will have to remove the door card.

How to access the central locking actuator on a Mercedes SLK?

To gain access to the door lock actuator and its yellow pipework you will have to remove the door card. Start by prizing out the SRS badge and removing the philips screw behind, then remove the chrome trim plate and plastic latch aperture cover from the door edge.

Is the door lock actuator on a Mercedes C class broken?

If the door locks in your C-Class are bouncing up and down or are otherwise not functioning properly, the system’s actuator might be broken. This is a costly component to replace at the repair shop, but it is something you can do at home.

Why is my Mercedes SLK door lock not working?

The issues are usually centred around the failure of the PSE (Pneumatic System Equipment) pump unit or its connecting air pipework. The pneumatic door lock actuators are simple by design and as a result are found reliable, even in older cars.

Why is my central locking box not working?

Pull the clip the box will come free with a twist. Pull the harness clip and you are looking at it. If you need another one, $50 bucks isn’t too bad. If you’re getting intermittent failure of the central locking ECU to do its thing, you probably have bad solder joints on the circuit board. It’s easy to fix.

Insert the key and turn it to the “ON” position, then press and release the lock button on the key. Press and hold the remote’s unlock button. In 1-2 seconds, press the remote’s lock button five times in a row while holding the unlock button.

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 does a central locking system work on a car?

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. The lock opens and grants access to the vehicle. The lock switch operates as the remote for the actuator.