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How to Fix a Mercedes Ignition Key That Won't Work A key for ignition that doesn't work is one of the most frustrating things you have to deal with when driving an Mercedes. It can be an indicator of other issuesas well. There are three main causes for Mercedes Benz ignition key problems. They are bent keys or cable that is loose, as well as malfunctioning electronic switches. Loose Cable Cables that are loose can cause your Mercedes ignition key to be stuck. This is a problem that can be solved by a simple tightening of the cable connected to the shifter. Make sure the nut on the end of the cable that connects to the shifter is tightened tightly to ensure that the cable does not sag. This is crucially important for those who drive their Mercedes with the gear set in park position, as this could cause the shifter to move the cable a sixteenth of an inch or so, which could result in your key getting stuck. The loose cable could cause your key to become affixed to the steering wheel lock. This is a vital security feature of your mercedes since it can stop potential thieves from dragging the vehicle away or using the steering wheel to navigate the vehicle without a key. The ignition switch on a Mercedes can be worn out and require to be replaced. It's an easy fix, but you should ensure that the new switch is compatible with the one that is currently in use. A damaged switch can lead to a variety of issues, like your vehicle becoming stuck and the lights not working, or the radio not working when you use your key. It is recommended that you bring your mercedes in for this repair or buy the new OEM Mercedes ignition switch. Some Mercedes ignition keys can get stuck even when the car is in park. This is a common problem with older Mercedes models. It's usually caused by a loose cable connecting the locking mechanism inside your ignition assembly to your shifter. If you have a key locked in place, you must attempt a jump start and check if this resolves the issue. It's a quick and easy way to test the battery. There are many reasons why your Mercedes ignition keys may not be turning. The most common reason is the battery is damaged or dead. This is a common issue with a variety of different kinds of automobiles and you should seek the advice of an mechanic for the root of your problem. Electronic Switch The ignition switch is an essential electronic part of a vehicle. It has a variety of positions that provide power to various systems when the key is turned. The first position turns on electrical devices, the second position turns on activates the ignition and fuel systems, and the third cranks the engine. The mercedes ignition key is unique to each car, and when you insert it into your vehicle's ignition system the electronic switch tests the key to confirm it's genuine. If it's valid the key sends an indication to the steering lock (if your vehicle has one) and other computer systems to unlock the door. This is a great method to help you start your car quickly and effortlessly- and even if you have lost your keys, you'll still access the car without any trouble. However, even though we love the convenience of our ignition switches, they can be a source of serious trouble for the road. If your ignition switch is damaged it may not provide enough power to the car's crucial electrical components or be missing connections that may prevent you from starting your car. A malfunctioning ignition switch may cause your car to not start at all. Most often, this is because the switch isn't turning to the “on” positionwhich is what powers the ignition and fuel systems. Another indication of a damaged ignition switch is that the key won't go into the first position, where you could look for warning lights on the dashboard. These lights usually come on when you press the ignition button. They will dim when your car is started. In other cases the dashboard lights remain dark after you move your key to the “on position. The reason is that the ignition switch will briefly provide electricity to the ignition and fuel pump systems if you switch the key to “on and then it will stop power once the key is removed from the “on” position. You should contact an auto mechanic when you experience any of these problems. A professional can determine if the switch is malfunctioning or not, and the steps to take to repair it. Steering wheel lock Mercedes ignition keys are designed with an anti-theft feature in mind. If someone breaks into your car and manages to move the steering wheel when you're away it will activate the lock on the steering wheel to keep the vehicle from moving. This security measure helps protect you and your family against being the victim of criminals. It also prevents thieves from taking your car. However, there are times when the lock won't unlock or is stuck in a locked position. It can happen for many reasons, including broken or worn out ignition tumblers. You can get the key replaced or fix the problem yourself. To fix this, you'll have to remove the ignition lock assembly. To do this, you must remove the plastic cover that covers the ignition and take out the fasteners. After you've removed your ignition lock assembly, you can replace it with a new one. It is essential to make sure the new part is an exact match for your car's parts. This will ensure that the locking mechanism is working properly when you reinstall it. Also, ensure that the new ignition lock has been properly installed and that all clips are properly engaged. This is particularly important for older models. Another issue that can cause your mercedes ignition key to stop working in the locked position is wear and wear on the tumblers. click for more info isn't a common problem and should be repaired prior to the cylinder becoming completely stuck or snapped off. To unlock the mercedes ignition keys that are stuck in the locked position, you should apply a small amount of pressure to the key while turning it. You should do this slowly and slowly, so as not to harm the lock mechanism or the key. This is a simple and easy way to solve your issue. It's also an excellent way to ensure that your Mercedes ignition is safe and ready to go whenever you need it. If you require further assistance call Mercedes-Benz of Centerville near Kettering for further details or to make an appointment. Tumbler When keys are inserted into the ignition of your Mercedes it will send detailed infrared information to the electronic ignition switch to start the engine. As the infrared data matches what's stored in the ECU, the Mercedes will begin to turn. This starts the car's engine and powers all the components inside it. If your car won't start and it's not starting, it's time to take a closer look at your ignition lock tumbler. Sometimes, the tumbler can get old and needs to be replaced. Other times, it will not be able to turn on the electronic ignition switch. The most obvious indication that the most obvious sign that your Mercedes ignition lock tumbler might be defective is when it does not rotate in the proper direction. This can be frustrating as you may have to fight the lock for a while before the car can turn. A malfunctioning ignition lock tumbler can cause the key to block or become completely blocked when it is inserted into the lock. It's essential to bring your vehicle to your Mercedes specialist if this happens. They can then examine and repair the ignition switch's tumbler. Other possibilities for an Mercedes Benz ignition lock tumbler that isn't turning include a bent key or a damaged key. If the bent end of your key is causing it to not turn the way you want, you can smooth it with a hammer to make it straight again. Make sure you make use of a soft-headed hammer, and that you tap very carefully. In the end, if your key is stuck in the ignition lock cylinder you may be able to pull it free by gently jiggling the steering wheel. It can be difficult, so make sure not to harm your key when trying to free it. You can purchase a replacement keyed Mercedes-Benz ignition tumbler if it's damaged or not working. These parts are made to fit your Mercedes' original locks, which means they will work with your Mercedes' system.