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How to Fix a Mercedes Ignition Key That Won't Work One of the most stressful things to deal with when you own a Mercedes is an ignition key that won't work. It could be a sign of other issuesas well. There are three main reasons for Mercedes Benz ignition key problems. The most common causes are a bent key or cable that is loose, as well as malfunctioning electronic switches. Loose Cable Cables that are loose could cause your mercedes ignition key to get stuck in place. This issue can be corrected by tightening the cable at the shifter. Make sure that the nut at the end of the cable that connects to the shifter is secured to ensure that the cable does not sag. This is crucially important if you drive your Mercedes with the gears set to park, as this will cause the shifter to move the cable a sixteenth of an inch or so, which may cause the key to become stuck. The loose cable could cause your key to be tied to the lock on your steering wheel. This is a crucial security feature of your Mercedes. It will stop potential thieves from driving the car away or using the steering wheel for navigation without a key. Another issue that may arise with an ignition key for a Mercedes is that the electronic switch may get worn out and need to be replaced. This can be a fairly simple repair, however you need to ensure that the new switch matches the existing one. A defective switch could cause your vehicle to stop with all lights going out and the radio to stop functioning when the key is press. You can either take your Mercedes to the repair shop or buy a new OEM Mercedes ignition button. Some Mercedes ignition keys can be stuck in place even when your car is in park. This is a typical issue in older Mercedes models, and is typically caused by loose cables that connect the locking mechanism in your ignition assembly to the shifter. If you have a key that is locked in place, you should try a jump start to determine if this fixes the issue. This is a great way to test the battery, and it's a simple and cost-effective solution. There are several other reasons the ignition key of your Mercedes could not turn however the most common is a dead battery. This is a typical issue for a variety of types of vehicles and you should speak with an mechanic for the exact cause of your issue. Electronic Switch The ignition switch is an essential electronic part of a vehicle. When the key is turned it activates various systems. The first position activates electrical accessories, while second one turns the ignition and fuel systems. The third position cranks the engine. Each ignition key for mercedes is unique. When you insert the key into the ignition of your vehicle, the electronic switch verifies that it is valid. If it's valid the key sends a signal to the steering lock (if your vehicle has one) and other computer components to unlock the door. This is a great way to get started with your car quickly and effortlessly. Even if you misplace your keys , you'll still be able to access and leave your car with no difficulty. However, even though we love the convenience of our ignition switches, they can create serious issues for drivers. If your ignition switch is malfunctioning it may not provide enough power to your car’s crucial electrical components or be missing crucial connections that can prevent you from starting your car. One of the most typical signs of a malfunctioning ignition switch is that it doesn't start your vehicle at all. This is usually due the fact that the switch doesn’t turn to the ‘on’ position, which turns on fuel or ignition systems. Another sign of a faulty ignition switch is that it will not go into the initial position, where you can examine the dashboard for warning lights. These lights typically turn on when you press the ignition button. They then dim when your car is started. In some cases, the dashboard lights will remain dark even after you turn the key on. mercedes replacement car keys is because the ignition switch will temporarily provide power to the ignition, fuel pump systems, and other systems when the key is switched to 'on'. However it will cut off power when the key is removed. If you're experiencing any of these issues, your best bet is to seek the advice of an auto mechanic. A qualified mechanic can tell that the switch is not working properly and what steps you should follow to repair it. Steering wheel lock Mercedes ignition keys come with an anti-theft feature. If someone attempts to steal your car and turns the steering wheel without you being present, it will trigger the steering lock and stop the car from moving. This measure of security protects you and your family from being victim to criminals. It also prevents thieves from stealing your vehicle. Sometimes, however, the lock may not be unlocked or remain locked in an unlocked position. This can happen for many reasons, such as damaged or worn ignition tumblers. You can get an alternative key or fix it yourself. To fix this, you'll need to take off the ignition lock assembly. To do this, you must remove the plastic cover that covers the ignition, and remove the fasteners. After you have removed the ignition lock assembly, you are able to replace it with a brand new one. It is essential to make sure the new part is the exact equivalent of your car's parts. This will ensure that the locking mechanism will work properly when you reinstall it. Also, make sure that the new ignition lock is installed properly and that all of the clips are properly engaged. This is especially important for older models. Wear and tear on the tumblers might also cause your mercedes ignition keys to get stuck in their locked position. This is a common problem that needs to be dealt with prior to the cylinder getting stuck or snaps off. To unlock an ignition lock from a Mercedes that is locked position, apply some pressure to the key while simultaneously turning the key. It's best to do this slowly and gently, so as to not damage the lock mechanism or the key. This is a quick and simple solution to your issue. This is a great method to ensure that your Mercedes ignition is ready and secure, so you can use it at any time. For more information or to set up an appointment, contact Mercedes-Benz Centerville near Kettering. Tumbler When you insert an ignition key into the ignition of your Mercedes it transmits information to the electronic ignition switch to turn the engine on. The Mercedes will turn when the infrared data matches the ECU. This will start the engine of the Mercedes and power all its systems. If your car isn't getting started and it's not starting, it's time to look at the ignition lock tumbler. In some cases the tumbler can wear out over time and require replacement. Sometimes, it will not be able to turn on the electronic ignition switch. One of the most frequent indicators that the Mercedes ignition lock tumbler is defective is that it won't turn to the correct position. If this happens, it can be frustrating because you may need to battle with the lock for a long period of time before you can get the car started. Another symptom of an ignition lock tumbler that is failing is that it may block or completely block the key when it's placed into the lock. If this occurs it's essential to bring the vehicle to your local Mercedes specialist so that they can examine and repair the ignition lock tumbler. Other possible causes for a Mercedes Benz ignition lock tumbler that won't turn is a bent key or a worn-out key. If the bent end of your key is causing it not to turn the way you want, you can smooth it with a hammer and ensure it is straight. Use an easy-headed, soft hammer and tap the key carefully. If your key is stuck inside the ignition lock cylinder you can sometimes get it out by gently jiggling the steering wheel. However, this can be challenging and you must be cautious not to break your key while trying to unravel it. You can buy a replacement keyed Mercedes-Benz ignition tumbler if it is damaged or missing. These parts are specially designed to fit the original locks in your vehicle and you can be sure that they'll be able to work with the system that is in your Mercedes.