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How to Fix a Mercedes Ignition Key That Won't Work One of the most stressful issues to face when you own a Mercedes is an ignition key that won't work. It could be a sign of other issues, too. There are three main reasons for Mercedes Benz ignition key problems. They are a bent key or a cable that is loose, and an electronic switch that's malfunctioning. Loose Cable Loose cables can cause your Mercedes ignition key to get stuck in place. This issue can be fixed by tightening the cable around the shifter. Make sure the nut at the end of the cable that connects to the shifter is tightened tightly to ensure that the cable isn't sagging. This is especially important if your Mercedes is in the park position. The shifter will move the cable about a sixteenth inch which could cause your key to be stuck. This loose cable could also cause your key to be bind to the steering wheel lock. This is an important security feature for your Mercedes. It prevents potential thieves driving the car away or using the steering wheel to navigate without a key. A mercedes ignition switch could be worn out and require to be replaced. This is an easy fix, but it is important to ensure that the new switch is compatible with the current one. A damaged switch can cause a variety of issues, such as your vehicle not moving and the lights going out, or the radio not working when you use your key. It is recommended that you bring your Mercedes to a repair shop for repair, or simply purchase an OEM Mercedes ignition switch. Some mercedes ignition keys can also become locked, even when the car is in park. This is a problem that is common in older Mercedes models, and is usually caused by a loose cable connecting the locking mechanism in your ignition assembly to the shifter. go source can be used to verify that your key is in good condition. This is a good way to test the battery, and it's an easy and inexpensive solution. There are many other reasons that your mercedes ignition key may not be turning however the most frequent is an unresponsive battery. This problem is common for all makes and models of cars. You should consult with an automotive mechanic to identify the reason. Electronic Switch The ignition switch is a crucial electronic part of a car. It comes in a variety of positions, which can power various systems as the key is turned. The first position activates electrical accessories, while second one turns the ignition and fuel systems. The third turns the engine. Each ignition key for mercedes is unique. When you insert the key into the ignition of your vehicle the electronic switch will verify that it's valid. If the key is valid, it will send the signal to your car's steering lock and other computer modules to unlock your door. This is a great method to start your car quickly and easily. Even if you lose your keys , you'll still be able to be able to enter and exit your car without any trouble. However, even though we enjoy the convenience of our ignition switches, they can pose serious dangers for the road. If the ignition switch malfunctions the switch may not be supplying enough energy to your car's critical electrical components, or it may be missing important connections that prevent you from starting your vehicle. A defective ignition switch can cause your car to not start at all. This is usually due to the switch doesn't move to the 'on' position -that is the one that powers on ignition and fuel systems. A faulty ignition switch can cause the key to not go into the first position. This is where you should check for warning lights on your dashboard. These lights usually turn on when you press the ignition button. They will dim when your car is started. In some cases the dashboard lights remain dark even after turning the key to “on”. The reason for this is that the ignition switch will temporarily provide power to the ignition and fuel pump systems if you turn the key to 'on but it will stop power when the key is removed from the “on” position. If you have any of these issues, the best way to fix it is to seek a diagnosis from an auto mechanic. A professional will be able to determine if the switch is defective or not and the best steps you can take to fix it. Steering wheel lock Mercedes ignition keys include an anti-theft feature. If someone tries to steal your car and moves the steering wheel without you being present, it will activate the steering lock and stop the car from moving. This security measure protects you and your family members from being the victim of criminals. It also stops thieves from stealing your vehicle. But, in some cases, the lock won't unlock or it could be locked. This could be due to a variety of reasons, including worn or damaged ignition tumblers. You can either get an alternate key or fix it yourself. To fix this, you'll need to dismantle the ignition lock assembly. To do this, take off the plastic cover that covers the ignition, and remove the fasteners. Once you've removed the ignition lock assembly, you'll be able to replace it with a brand new one. It is important that the new component matches the components of your car. This will help ensure that the locking mechanism functions perfectly when you install it. You should also ensure that the new ignition lock is installed properly and that all clips are properly engaged. This is especially important with older models. Wear and tear on the tumblers might cause your Mercedes ignition keys to become stuck in their locked position. This isn't a common problem that needs to be rectified before the cylinder becomes completely stuck or snapped off. To unlock a mercedes ignition lock that is locked in its position, apply some pressure to the key while simultaneously turning the key. To avoid damaging the lock mechanism or the key it is best to do this slowly and gently. It's a straightforward procedure that will solve your issue in no time. It's also a great way to ensure your mercedes ignition is safe and ready to go when you need it. If you require additional assistance you can contact Mercedes-Benz of Centerville near Kettering for more details or to schedule an appointment. Tumbler When you insert a key into the ignition of your Mercedes it transmits information to the electronic ignition switch that will start the engine. When the infrared data corresponds to the data stored in the ECU, the Mercedes will begin to turn. This will start the car's engine and powers all the systems within it. If your car isn't getting started then it's probably time to take a closer look at your ignition lock tumbler. Sometimes, the tumbler will get old and needs to be replaced. Sometimes, the tumbler may not be able to activate the electronic ignition button. One of the most obvious indicators that the Mercedes ignition lock tumbler may be defective is that it won't turn to the correct position. This can be frustrating because you might have to fight the lock for a long time before the car can turn. A malfunctioning ignition tumbler could also cause the key to block or become completely blocked once it is inserted into the lock. If this occurs it's crucial to take the vehicle to your local Mercedes specialist so that they can look over and repair the ignition lock tumbler. Other possible causes for a Mercedes Benz ignition lock tumbler that isn't turning are a bent key or a damaged key. If the bent edge of your key is causing it not to turn, you can flatten it with a hammer to make it straight. Make sure to employ a hammer that is soft and tap it very carefully. In the end, if your key is stuck inside the ignition lock cylinder, you may be able to pull it out by gently jiggling the steering wheel. But, this can be difficult and you should be careful not to break your key while trying to unravel it. You can get a replacement keyed Mercedes-Benz ignition lock tumbler , if it's damaged or not working. These parts are specifically designed to fit the original locks on your vehicle and you can be assured that they'll be able to work with the system that is in your Mercedes.