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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 does not work. It can be an indicator of other issues, too. There are three primary reasons for Mercedes Benz ignition keys problems. This includes a bent key or cable that is not in good condition, and an electronic switch that is not working properly. Loose Cable Loose cables can cause your Mercedes ignition key to get stuck in place. This issue can be corrected by tightening your cable at the shifter. The nut on the shifter end of the cable must be tightened to ensure that there is no slack left in the cable. This is particularly crucial in the event that you drive your Mercedes with the gears set to park, as this could cause the shifter to move the cable a sixteenth of an inch or so, which may cause your key to get caught. The loose cable may cause the lock on your steering wheel to become stuck. This is an essential safety feature of your Mercedes because it stops potential thieves from dragging the car away or using the steering wheel to navigate the vehicle without a key. A mercedes ignition switch can also wear out and need to be replaced. This is a simple fix that is quick and easy to do however it is crucial to ensure that the new switch is compatible with the one you have. A faulty switch can cause a variety of issues, such as your vehicle not moving and the lights not working, or the radio not working when you turn your key. It's best to bring your mercedes in for this repair or buy an OEM Mercedes ignition switch. Certain ignition keys from Mercedes can also become locked even when the car is in park. This is a common issue with older Mercedes models. It is typically caused by a loose cable that connects the locking mechanism inside the ignition assembly to the shifter. Jump start can be used to verify that your key is still in place. This is a great method to test the battery and it's an easy and cost-effective solution. There are a myriad of reasons your ignition keys for Mercedes may not turn. The most common is the battery is damaged or dead. This issue is prevalent for all models and makes of vehicles. It is recommended to consult an auto mechanic to find the exact cause. Electronic Switch The ignition switch is an essential electronic component in a vehicle. As why not find out more is turned, it triggers various systems. The first position activates electrical devices, the second position turns on will power the ignition and fuel systems, and the final cranks the engine. The ignition key for the Mercedes is unique to each vehicle, and when you insert it into the ignition system the electronic switch will check the key to ensure it's legitimate. If the key is legitimate it will send a signal to the steering lock of your car and other computer modules to unlock your door. This is a great way for you to start your car swiftly and easily. Even if you lose your keys , you'll still be able to get in and exit your car with no difficulties. 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 defective it might not be able to provide enough power to your car's vital electrical components or could have a problem with the connections that can prevent you from starting your car. A defective ignition switch can cause your car to not start at all. It's usually because the switch isn't turning to the 'on' position -which is what powers the ignition and fuel systems. A defective ignition switch could cause the key to not turn into the first position. This is why you can look for warning lights on your dashboard. The lights are usually activated when you press the ignition button. They then dim when the car starts. In other cases, the dashboard lights remain dark once you have moved your key to the 'on position. The reason for this is that the ignition switch will briefly provide power to the ignition and fuel pump systems when you switch the key to “on but it will cut off power as soon as the key is removed from the “on” position. If you have any of these issues, the best choice is to seek the advice of an auto mechanic. An expert can determine if the switch is malfunctioning or not and the best steps to take to fix it. Steering wheel lock Mercedes ignition keys have an anti-theft feature. If someone tries to break into your car and then moves the steering wheel with no being present, it will trigger the steering lock and stop your vehicle from moving. This safety measure is designed to safeguard your family and you from being hurt in a crime. It also prevents thieves from stealing your vehicle. Sometimes the lock might not be able to unlock or remain locked in an unlocked position. It can happen for various reasons, such as broken or worn out ignition tumblers. You can either get an alternate key or repair it yourself. To fix this, you'll have to remove the ignition lock assembly. To do this, remove 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 new one. It is crucial to make sure the new part is exactly the same as the car's components. This will help ensure that the locking mechanism is working correctly when you install it. Also, ensure that the new ignition lock has been installed correctly and that all clips are properly engaged. This is particularly crucial for older models. Another reason that could cause your mercedes ignition key to become stuck in the locked position is wear and wear on the tumblers. This is a frequent issue that needs to be addressed prior to the cylinder getting stuck or snaps off. To unlock a mercedes ignition lock that is stuck in its locked position, apply a small pressure to the key while simultaneously turning the key. You should do this slowly and gently so as to not damage the lock mechanism or the key. It's a straightforward procedure that should solve your problem in no time. It's also a great method to ensure that your Mercedes ignition is secure and ready to go when you need it. For more information or to schedule an appointment, contact Mercedes-Benz Centerville near Kettering. Tumbler When you insert a key into the ignition of your Mercedes it transmits precise infrared information to the electronic ignition switch to start the engine. As the infrared data corresponds to the data stored in the ECU the Mercedes will begin to turn. This will start the engine of the Mercedes and power all of its systems. If your car isn't getting started it could be time to take a closer look at your ignition lock's tumbler. Sometimes, the tumbler can wear out and will need to be replaced. Sometimes, the tumbler may not be able to activate the electronic ignition button. 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 need to fight the lock for a while before your car is able to turn. A malfunctioning ignition lock tumbler can cause the key to block or become completely blocked once it is in 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 tumbler of the lock. Other possibilities for the Mercedes Benz ignition lock tumbler that won't turn is bent keys or a worn-out key. If your key's bent end causes it to not turn then you can flatten it with a hammer to ensure it is straight. Use the hammer with a soft, gentle head and tap it carefully. It is possible to untangle your key from the ignition lock by gently jiggling it. But, this can be tricky and you need to be careful not to break your key while trying to free it. If you've broken or missing Mercedes ignition lock tumbler, you can order an original keyed replacement from your local Mercedes-Benz dealer. These parts are designed to fit the original locks of your vehicle and you can be at ease knowing that they'll be able to fit into the system of your Mercedes.