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How to Fix a Mercedes Ignition Key That Won't Work An ignition key that doesn't function is among the most frustrating issues you'll have to face when driving the Mercedes. It could also be a sign that you have other problems. There are three main reasons Mercedes Benz ignition keys problems. They are a bent or bent key cable, loose wires, and an electronic switch that is malfunctioning. Loose Cable Loose cables can cause your mercedes ignition key to become stuck. This issue can be solved by just tightening the cable that connects to the shifter. Check that the nut at the end of the cable that connects to the shifter is tightened so that the wire doesn't sag. This is especially important if your Mercedes is in park position. The shifter will move the cable about one sixteenth inch which could cause your key to get stuck. This loose cable may cause your key to bind to the lock on your steering wheel. This is an important security feature for your Mercedes. It prevents potential thieves pushing the car away, or using the steering wheel to drive it without the use of a key. Another issue that can occur when using a mercedes ignition key is that the electronic switch may become worn down and need to be replaced. This is a straightforward fix which can be accomplished quickly but it is vital to ensure that you match the new switch to the one you currently have. A defective switch could cause a myriad of issues, including your vehicle becoming stuck and the lights being out, or the radio not working when you turn your key. It is best to bring your Mercedes to a repair shop to have this repaired or purchase an OEM Mercedes ignition switch. mercedes sprinter spare key from Mercedes can be locked in place, even when the car is in park. This is a common problem with older Mercedes models. It is usually caused by a loose connection between the locking mechanism inside your ignition assembly to your shifter. If you have a key locked in place, you should try a jump start and check if this resolves the issue. This is a great way to test the battery, and it's a simple and inexpensive solution. There are a variety of other reasons that your mercedes ignition key may not be turning but the most common is the battery is dead. This issue is common to all makes and models of vehicles. You should consult with an auto mechanic to find the exact reason. Electronic Switch The ignition switch is an essential electronic component of a vehicle. When the key is turned, it triggers different systems. The first one activates electrical accessories, while the second one turns the ignition and fuel systems. The third one cranks the engine. The ignition key from Mercedes is unique to each car and, when you insert it into the ignition system, the electronic switch checks the key to make sure it's legal. If it's valid the key sends an alert to the steering lock (if your vehicle has one) and other computer components to unlock the door. This is an excellent way to get started with your car quickly and easily. Even if you lose your keys you can still access and leave your vehicle without trouble. However, as much as we enjoy the convenience of our ignition switches, they can cause issues on the road. When the ignition switch malfunctions the switch may not be sending enough power to your car's critical electrical components, or it could be missing important connections that prevent your vehicle from starting. A faulty 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 turns on the fuel and ignition systems. Another sign of a faulty ignition switch is that the key won't go into the first position, where you could examine the dashboard for warning lights. These lights typically turn on when you press the ignition button. They then dim when your car starts. In other cases the dashboard lights stay dark once you have moved your key to the 'on' position. This is because the ignition switch temporarily provides power to the fuel pumpand ignition systems, and the like if the key is turned to 'on'. However it will shut off power when the key is removed. If you have any of these issues, your best bet is to seek a diagnosis from an auto mechanic. A qualified mechanic can tell that the switch is not working properly and what steps to take to fix it. Steering wheel lock Mercedes ignition keys are created with an anti-theft feature in mind. If someone steals your vehicle and manages to move the steering wheel when you're away, it will activate the steering wheel lock and stop the vehicle from moving. This security measure protects you and your family members from being the victim of the perpetrator of a crime. It also prevents thieves from stealing your car. Sometimes the lock might not open or be locked in an unlocked position. This can be caused by a variety of reasons, including damaged or worn-out ignition tumblers. You can either get an alternative key or repair it yourself. To fix this, you'll have to remove the ignition lock assembly. To accomplish this, you'll need to remove the plastic cover on the top of the ignition and then take off the fasteners which hold it in place. After you've removed the ignition lock assembly, you are able to replace it with a new one. It is crucial that the new component matches the parts of your vehicle. This will ensure that the locking mechanism functions perfectly when you install it. You should also check that the new ignition lock is installed properly and that all of the clips are correctly engaged. This is particularly crucial for older models. Wear and tear on the tumblers might also cause your mercedes ignition keys to become stuck in their locked position. This is a frequent issue that needs to be dealt with prior to the cylinder getting stuck or snaps off. To unlock the mercedes ignition key stuck in the locked position, you should 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 it slow and gentle. This is an easy and simple solution to your problem. This is a great method to make sure the Mercedes ignition is functioning and secure, so you can use it at any time. For more information or to make an appointment, call Mercedes-Benz Centerville near Kettering. Tumbler When keys are inserted into the ignition of your Mercedes it will send detailed infrared signals to the electronic ignition switch to start the engine. As the infrared data matches what's stored in the ECU, the Mercedes will begin to turn. This will start the engine of the Mercedes and provide power to all its systems. When your Mercedes isn't starting then it's probably time to look at your ignition lock's tumbler. In some cases the tumbler can wear out over time and require replacement. In other instances, it may not be able to turn on the electronic ignition switch. The most obvious sign that the most obvious sign that your Mercedes ignition lock tumbler might be damaged is when it doesn't rotate in the proper direction. When this happens, it can be a hassle as you might be fighting with the lock for a long time before you can get the car started. Another sign that an ignition lock tumbler malfunctioning is that it can get jammed up or completely block the key when it's placed into the lock. If this occurs it's imperative to take the vehicle to a local Mercedes specialist so that they can examine and service the ignition lock tumbler. Other possible causes for an Mercedes Benz ignition lock tumbler that isn't turning are the possibility of a bent or worn-out key. If the bent end of your key is causing it not to turn and is causing it to not turn, you can flatten it using a hammer to make it straight. Use an incredibly soft hammer and tap it carefully. If your key is stuck in the ignition lock cylinder, you can often get it out by gently jiggling the steering wheel. This isn't easy, so be careful not to cause damage to your key while trying to free it. If you have a broken or missing Mercedes ignition lock tumbler, you can get an original keyed replacement from your local Mercedes-Benz dealer. These parts are designed to fit the original locks on your vehicle so you can be assured that they'll be able to fit into the system of your Mercedes.