Release buttons are not working properlyĪnother common signal that a problem with the trunk lock actuator exists is when you press the fob button or the inside trunk release and nothing happens. If you notice that the trunk lock does not spring open when you press the fob remote or the button inside your vehicle's cab, contact a mechanic so they can determine what is wrong and fix it as soon as possible. Occasionally the linkage may become damaged, or the electronic wire that is attached to linkage might come loose. A locking mechanism has multiple components inside the actuator one of which is a linkage system that manually moves the lock to the open position when the actuator is activated. One of the major issues that can occur with this device is that the motor will work, but the locking mechanism does not. Trunk does not open even after hearing the "click"Ī trunk lock actuator makes a distinct "clicking" sound when it is activated. If you recognize these symptoms, contact a local ASE certified mechanic as soon as possible so they can replace the trunk lock actuator. Listed below are a few of the common warning signs that a problem with the trunk lock actuator exists. This device typically is not repaired, as it's more efficient for a certified mechanic to simply replace it with a new actuator. The trunk lock actuator can act up from time to time due to wiring issues, broken parts, and other causes. All of this is done without you having to insert a key into the lock cylinder. The trunk lock actuator then releases the trunk latch so the trunk can be opened. Today's trunk locking mechanisms are comprised of a keyed lock cylinder and a trunk lock actuator in cars that offer a power trunk release once activated. The trunk lock actuator makes sure this is a reality. Different makes and model vehicles have specific designs and locations of this device, however, one thing they all have in common is the potential of device failure.Īnytime you place items in your trunk, you'll want to know that they will be kept safe and secure. The trunk lock actuator is the electric motor that can be remotely triggered via the fob device or is activated by pressing a button inside the vehicle. One item we often take for granted is the trunk lock actuator, an electronic device that makes "popping the trunk" a snap with one push of a button. You can even start the car this way.The rapid growth of automotive technology in the mid 1980's stimulated several improvements in safety, efficiency and convenience for United States car owners. Now you can press the Lock/Unlock buttons on your Mercedes-Benz key fob remote to unlock the car or the trunk. This is how the positive jump start terminal looks on an E-Class W210.Ĭonnect a jump box positive terminal to the positive terminal and the negative jumper cable to a ground point or frame. Locate the positive jump-starting terminal if the battery is in the trunk or under the rear seat. Release the hood by pulling on the hood release lever on the side of the dashboard.Īll Mercedes-Benz model years 2000 and newer have a jump start terminal inside the engine bay. Get a locksmith to open one of the doors, then follow these steps. So what do you do? Luckily, there is another way to power up your Mercedes-Benz. Or you tried to unlock the trunk but can’t turn the key manually.You lock the keys in the trunk, and the battery is dead.The car battery has died, and the battery is in the trunk.What if you started replacing the battery in the trunk and accidentally locked the keys inside? Now you are wondering how I can open the trunk. How to open the trunk if the key isn’t working or keys are locked. Instead, use the positive jumper starter terminal located in the jumper cable. Note: Avoid jump-starting your Mercedes-Benz by connecting the jumper cables directly to the battery. Turn the key until you hear the trunk pop open. Insert the key into the trunk lock cylinder. You must slide the locking tab with your thumb and pull out the metal key. If your Mercedes battery has died, the trunk switch or the key fob remote isn’t working you can use this method to unlock the trunk. How to manually unlock the trunk of a Mercedes-Benz Keys locked in the trunk How to open Mercedes trunk.How to unlock the trunk when the key is not working.How to open the Mercedes-Benz trunk when the battery is dead.If your car battery is dead or the key fob remote has stopped working, you won’t be able to unlock your Mercedes-Benz or open the trunk. Have you locked the keys inside the trunk of your Mercedes-Benz? Maybe your key fob isn’t working, or your car battery is dead, and you are trying to unlock the trunk of your Mercedes-Benz.
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