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How to Fix a Mercedes Ignition Key That Won't Work One of the most annoying things to deal with when you own a Mercedes is an ignition key that doesn't work. It could also be a sign of other issues. There are three primary reasons for Mercedes Benz ignition keys problems. These are a bent key cable, loose wires, and a malfunctioning electronic switch. Loose Cable Untight cables could cause the ignition key of your Mercedes to become stuck. This issue can be resolved by simply tightening your cable at the shifter. The nut that connects the shifter to the end of the cable has to be tightened up to ensure there isn't any looseness in the cable. This is crucially important in the event that you drive your Mercedes with the gears set to park, since this causes the shifter to move the cable one-sixteenth of an inch or so, which could cause your key to get caught. The loose cable could cause your steering wheel lock to get stuck. This is an essential security feature of your Mercedes because it stops potential thieves from pushing the car away or using the steering wheel to steer the vehicle without the key. A mercedes ignition switch could be worn out and require to be replaced. This can be a fairly simple repair, however you should ensure that the new switch is compatible with the existing one. A faulty switch could cause your car to stop and all lights to go out and the radio to stop functioning when the key is pressed. You can either bring your Mercedes to repair or buy a new OEM Mercedes ignition button. Some ignition keys of Mercedes can be stuck in place even when your car is in park. This is a common problem with older Mercedes models. It's usually caused due to a loose cable linking the locking mechanism in your ignition assembly to your shifter. If you have a key that is locked in place, you must try a jump start to see if this solves the problem. This is a fast and easy method to test your battery. There are a myriad of reasons your mercedes ignition keys might not work. The most frequent reason is the battery is damaged or dead. This is a common issue for all kinds of brands and models of cars and it is recommended that you consult an mechanic for the root of your issue. Electronic Switch The ignition switch is a crucial electronic part of a car. It has a variety of positions that provide power to various systems when the key is turned. The first position is where you can activate electrical devices, the second position turns on will power the ignition and fuel systems, while the third cranks the engine. The ignition key for the Mercedes is unique to each car when you insert it into the ignition system the electronic switch examines the key to make sure it's legitimate. If the key is legitimate, it will send an alert to the steering lock of your car and other computer components to unlock your door. This is a great way to allow you to start your car quickly and easilyeven if you have lost your keys, you can still get in and out without any trouble. However, even though we enjoy the convenience of our ignition switches they can pose serious dangers for drivers. If your ignition switch is defective, it could not send enough power to your car's critical electrical components or may be missing connections that may prevent you from starting your vehicle. A faulty ignition switch can cause your car to not start at all. This is usually due the fact that the switch doesn't move to the “on” position, which is the one that powers on fuel or ignition systems. mercedes benz spare key can cause the key to not move into the first position. This is the reason you can look for warning lights on your dashboard. Usually, these lights light up when you hit the ignition button. They they dim when your vehicle is running. In other situations the dashboard lights stay dark once you have moved your key to the 'on' position. The reason for this is that the ignition switch will briefly provide electricity to the fuel pump and ignition systems when you switch the key to 'on however it will cut off power once the key is removed from the “on” position. You should seek out an auto mechanic when you experience any of these issues. A professional can identify if the switch is malfunctioning or not and also what steps you can take to fix it. Steering Wheel Lock Mercedes ignition keys are made with an anti-theft feature in mind. If someone tries to break into your vehicle and manages to move the steering wheel while you're away it will trigger the lock on the steering wheel and stop the vehicle from moving. This safety measure is designed to protect your family and you from being harmed in the event of a crime. It also prevents thieves from stealing your car. Sometimes the lock may not unlock or be locked in an unlocked position. It can happen for several reasons, such as damaged or worn-out ignition tumblers. You can either purchase the replacement key or repair it yourself. To fix this issue, you will need to remove the ignition lock assembly. To do mercedes key programming service near me , take off 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 brand new one. It is important to ensure that the new component is an exact match for the components of your car. This will help ensure that the locking mechanism will work perfectly when you install it. You should also ensure that the new ignition lock is installed properly and that all clips are properly engaged. This is especially important for older models. Another reason that could cause your mercedes ignition key to be stuck in the locked position is wear and tear on the tumblers. This is a frequent 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, apply a small amount of pressure to the key while simultaneously turning it. To avoid damaging the lock mechanism or key it is best to take your time and do it slowly and gently. replacement mercedes car key is a quick and simple solution to your issue. This is a great method to ensure the Mercedes ignition is functioning and secure so you can drive it at any time you want. If you require additional assistance call Mercedes-Benz of Centerville near Kettering for more details or to make an appointment. Tumbler When you insert a key into the ignition of your Mercedes, it sends detailed infrared signals to the electronic ignition switch, which will start the engine. The Mercedes will rotate when the infrared information matches the ECU. This will start the engine of the Mercedes and will power the entire system. If your car won't turn on it could be time to inspect the ignition lock tumbler. In some instances, the tumbler will simply get worn out and requires replacement. Sometimes, the tumbler may not be able the electronic ignition button. The most obvious indication that your Mercedes ignition lock tumbler might be malfunctioning is when it fails to rotate in the proper direction. This can be a frustrating issue as you may need to fight the lock for a while before your car is able to turn. A malfunctioning ignition tumbler could also cause the key to jam or completely block when it is put into the lock. It's crucial to bring your vehicle to your Mercedes specialist if this happens. They can then look at and service the ignition switch tumbler. Other possible causes for an Mercedes Benz ignition lock tumbler that isn't turning are a bent key or a worn-out key. If the bent edge of your key is causing it to not turn and is causing it to not turn, you can flatten it with a hammer and make it straight again. Be sure to employ a hammer that is soft and that you tap very carefully. You may be able to remove your key from the ignition lock cylinder by gently jiggling it. However, this could be tricky and you need to be careful not to break your key while attempting to untangle it. You can get a replacement keyed Mercedes-Benz ignition tumbler if it's damaged or not working. These parts are designed to fit your Mercedes original locks, meaning they will work with your Mercedes' system.