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How to Fix a Mercedes Ignition Key That Won't Work One of the most difficult things to deal with when you own a Mercedes is an ignition key that does not work. It could be a sign of other problems. There are three main reasons Mercedes Benz ignition keys problems. These include a bent or bent key or cable that is not in good condition, and an electronic switch that's not working. Loose Cable Loose cables can cause the ignition key of your Mercedes to become stuck. This is a problem that can be resolved by an easy tightening of the cable that connects to the shifter. Check that the nut at the end of the cable that connects to the shifter is secured so that the wire does not sag. This is crucially important if you drive your Mercedes with the gear set to park, as this will cause the shifter to move the cable one-sixteenth inch or so, which may cause your key to become caught. The loose cable could cause the lock on your steering wheel to become stuck. This is an essential security feature of your mercedes because it stops criminals from attempting to push the car away or using the steering wheel to drive the vehicle without a key. The ignition switch on a Mercedes can be worn out and require to replaced. This is a simple repair that can be completed quickly, but it is important to ensure that you match the new switch to the one you have. A damaged switch could cause your vehicle to stop and all lights to go out and the radio not working when your key is press. You can bring your Mercedes to repair or purchase a new OEM Mercedes ignition button. Certain Mercedes ignition keys may be stuck in place even when the car's in park. This is a frequent issue with older Mercedes models. It is typically caused by a loose cable that connects the locking mechanism in your ignition assembly to your shifter. Jump start is a great way to verify if the key is still in place. This is a great way to test the battery, and it's an easy and inexpensive solution. There are other causes that your ignition key for mercedes might not turn, but the most common is the battery being dead. This issue is prevalent for all makes and models of automobiles. You should consult with an automotive mechanic to identify the exact reason. Electronic Switch The ignition switch is a crucial electronic part of a vehicle. As the key is turned it activates different systems. The first one activates electrical accessories, the second will power the ignition and fuel systems, and the final cranks the engine. Each ignition key from Mercedes is unique. When you insert the key into your vehicle's ignition, the electronic switch verifies that it is valid. If it's valid it sends a signal to the steering lock (if your vehicle has one) as well as other computer modules to unlock the door. This is a great way to start your car quickly and easily -and even if have lost your keys, you can still gain entry and exit without any trouble. But, as much as we enjoy the convenience of our ignition switches, they also cause issues on the road. If the ignition switch is defective it could not be supplying enough power to your vehicle's vital electrical components, or it may be missing important connections that may prevent your vehicle from starting. One of the main indications of a damaged ignition switch is that it doesn't start your car at all. Most often, this is because the switch isn't turning to the “on” positionwhich is what powers the fuel and ignition systems. Another sign of a faulty ignition switch is that it does not move into the desired position, from which you can look for warning indicators on the dashboard. The lights are usually activated when you press the ignition key. They then dim once your car is started. In other situations the dashboard lights stay dark after you move your key to the “on position. This is because the ignition switch will temporarily provide power to the fuel pumpand ignition systems, and the like if the key is switched to 'on'. However it will cut off the power when the key is removed. It is recommended to contact an auto mechanic if you have any of these issues. A professional can tell you whether the switch is defective or not and also what steps to take to correct it. Steering Wheel Lock Mercedes ignition keys are created with an anti-theft feature in mind. If someone attempts to steal your car and manages to move the steering wheel while you're not there it will activate the lock on the steering wheel and stop the vehicle from moving. This measure of security protects you and your family members from being the victim of a crime. It also prevents thieves from stealing your vehicle. However, there are times when the lock won't unlock or is stuck in a locked position. It could be due to various reasons, such as damaged or worn out ignition tumblers. You can either purchase a new key or repair the issue yourself. To fix this, you'll need to take off the ignition lock assembly. To do this, you will have to take off the plastic cover on the top of the ignition, and then take off the fasteners that secure it. Once you've removed your ignition lock assembly, you can replace it with a brand new one. It is important to make sure the new part is an exact match for the car's components. This will help ensure that the locking mechanism will work correctly when you install it. Also, make sure that the new ignition lock is correctly installed and that all clips are in the correct position. This is particularly important for older models. Another reason that could cause your ignition key for mercedes to become stuck in the locked position is wear and wear on the tumblers. This is a common problem that needs to be dealt with before the cylinder gets stuck or snaps off. To unlock a mercedes ignition lock that is locked position, apply some pressure to the key while simultaneously turning the key. Do this slowly and gently, so as not to damage the lock mechanism or the key. This is a fast and simple solution to your issue. It's also a great method to ensure your mercedes ignition is secure and ready to go when you require it. If you require further assistance call Mercedes-Benz of Centerville near Kettering for more details or to make an appointment. Tumbler When you insert keys into the ignition of your Mercedes it transmits information to the electronic ignition switch that will turn the engine on. If the infrared information matches with the data stored in the ECU the Mercedes will begin to turn. This starts the car's engine and powers the many components inside it. If your car won't start it could be time to examine the ignition lock tumbler. Sometimes, the tumbler can get worn out and require to be replaced. In other instances, it may not be able to turn on the electronic ignition switch. One of the most frequent signs that the Mercedes ignition lock tumbler may be defective is that it won't turn to the right position. When this occurs, it can be frustrating as you could have to struggle with the lock for a long period of time before you are able to start your car. Another sign that an ignition lock tumbler that's failing is that it may block or completely block the key when it's placed into the lock. If this occurs it's crucial to take the vehicle to a local Mercedes specialist to have them examine and service the ignition tumbler of the lock. A bent key or a worn-out key are also possible the reason why your Mercedes Benz ignition lock tumbler cannot turn. If the bent end of your key causes it to not turn and is causing it to not turn, you can flatten it using a hammer to ensure it is straight. Make sure you use a soft-headed hammer and that you tap carefully. If your key is stuck in the ignition lock cylinder you may be able to pull it free by gently jiggling the steering wheel. new mercedes key can be a challenge, so make sure you don't damage your key while trying to unravel 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 made to fit your Mercedes' original locks, meaning they can be used with your Mercedes' system.