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How to Fix a Mercedes Ignition Key That Won't Work An ignition key that does not work is among the most frustrating issues you'll encounter when driving the Mercedes. It can be an indicator of other issues, too. There are three primary reasons for Mercedes Benz ignition keys problems. These are a bent key cable, loose wires, and malfunctioning electronic switches. Loose Cable Loose cables can cause the ignition key of your Mercedes to get stuck. This issue is easily solved with a simple tightening of the cable connected to the shifter. The nut on the shifter side of the cable has to be tightly tightened so that there isn't any slack in the wire. This is especially important if your Mercedes is in the park position. The shifter will move the cable around 1/16 inch, which could cause your key to become stuck. The loose cable could also cause the steering wheel lock to get stuck. This is an important security feature of your Mercedes. It prevents potential thieves pushing the car away, or using the steering wheel to drive without having a key. The ignition switch on a Mercedes can also wear out and need to be replaced. This can be a fairly easy repair, but it is important to make sure that the new switch matches the existing one. A faulty switch could cause your car to stop with all lights going out and the radio stop functioning when the key is pressing. You can either take your Mercedes in for repair or purchase a new OEM Mercedes ignition button. Certain ignition keys from Mercedes can be locked in place, even when the car is in park. This is a common issue with older Mercedes models. It is usually caused by a loose connection between the locking mechanism of the ignition assembly to the shifter. Jump start is a great way to determine if your key is in good condition. This is a quick and simple method to test the battery. There are many other reasons that your mercedes ignition keys could not turn but the most common is the battery is dead. This issue is prevalent for all models and makes of cars. It is recommended to consult an auto mechanic to find the root cause. Electronic Switch The ignition switch is an essential electronic device in a vehicle. When the key is turned, it triggers different systems. The first position is where you can activate electrical accessories, while the second powers the ignition and fuel systems, and the third turns the engine. Each ignition key from Mercedes is unique. When you insert the key into your car's ignition the electronic switch confirms the authenticity of the key. If the key is legitimate it will send an indication to the steering lock of your car and other computer modules to unlock your door. This is an excellent way to start your car quickly and effortlessly. Even if you lose your keys you can still access and leave your car with no trouble. But, despite the fact that we love the convenience of our ignition switches they can cause serious problems for our roads. If the ignition switch malfunctions, it may not be sending enough power to your car's critical electrical components, or it may have a problem with the connections that can prevent your vehicle from starting. A malfunctioning ignition switch may cause your car to not start at all. This is typically due to the fact that the switch doesn’t move to the “on” position, which activates ignition or fuel systems. A malfunctioning ignition switch could cause the key to not turn into the first position. This is when you should look for warning lights on your dashboard. Usually, these lights light up when you hit the ignition button. They fade when the vehicle is running. In other cases the dashboard lights will remain dark once you have moved your key to the “on' position. This is because the ignition switch will temporarily supply power to the fuel pumpand ignition systems if the key is turned to “on”. However it will shut off power when the key is removed. You should contact an auto mechanic when you experience any of these issues. A qualified mechanic can tell whether the switch is defective and what steps to do to repair it. Steering Wheel Lock Mercedes ignition keys are designed with an anti-theft feature in mind. If someone attempts to break into your car and moves the steering wheel without you being present, the key will activate the steering lock and stop the car from moving. This measure of security protects your family and you from being a victim of an act of crime. It also stops thieves from taking your car. Sometimes, however, mercedes keys replacement might not open or be locked in an unlocked position. This can be caused by a variety of reasons, such as damaged or worn out ignition tumblers. You can purchase an alternative key or repair it yourself. To fix this, you'll need to dismantle the ignition lock assembly. To do this, simply remove the plastic cover that covers the ignition and take out the fasteners. Once you've removed the ignition lock assembly, you can then replace it with a new one. It is essential to ensure that the new component is exactly the same as your car's parts. This will ensure that the locking mechanism operates properly when it is reinstalled. Also, make sure that the new ignition lock is properly installed and that all clips are engaged. This is especially important for older models. Another issue that can cause your mercedes ignition key to become stuck in the locked position is wear and wear on the tumblers. This is a common issue which needs to be taken care of before the cylinder gets stuck or snaps off. To unlock a mercedes ignition key that's stuck in the locked position, try applying a bit of pressure to the key while simultaneously turning it. To avoid damaging the lock mechanism or the key it is best to take your time and do it slowly and gently. It's a straightforward procedure which will resolve your issue in a matter of minutes. This is a great method to ensure that the Mercedes ignition is functioning and secure, so you can drive it whenever you need. For more information, or to schedule an appointment, call Mercedes-Benz Centerville near Kettering. Tumbler When you insert a key into the ignition of your Mercedes it transmits detailed infrared information to the electronic ignition switch, which will start the engine. As the infrared data matches up with what is stored in the ECU the Mercedes will begin to turn. This starts the car's engine and powers the various systems within it. If your car won't turn on it could be an opportunity to look at the ignition lock tumbler. In some instances the tumbler may wear out over time and requires replacement. Sometimes, it will be unable to engage the electronic ignition switch. The most obvious sign that the Mercedes ignition lock tumbler could be defective is when it doesn't turn in the right direction. If this happens, it can be a hassle as you might be fighting with the lock for a long period of time before you are able to get the car started. Another indication of an ignition lock tumbler that is malfunctioning is that it can stop working or even block the key when it's inserted into the lock. It's important to bring your vehicle to your Mercedes specialist in the event of this. They will examine and repair the ignition switch tumbler. Other possibilities for the Mercedes Benz ignition lock tumbler that isn't turning include the possibility of a bent or worn out key. If the bent part of your key is causing it to not turn, you can flatten it using a hammer to ensure it is straight. Use an incredibly soft hammer and gently tap. You can sometimes remove your key from the ignition lock cylinder by gently jiggling it. However, this could be challenging and you must be cautious not to break your key while trying to untangle it. You can purchase a new keyed Mercedes-Benz ignition lock tumbler if it's damaged or not working. These parts are specifically designed to fit the original locks of your vehicle so you can be assured that they'll be able to fit into the system of your Mercedes.