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 won't work. It can be an indicator of other issues, too. There are three main causes of Mercedes Benz ignition key problems. They are bent keys or cable that is loose, as well as an electronic switch that is malfunctioning. Loose Cable The loose cables can cause the ignition key of your Mercedes to become stuck. This is a problem that can be resolved with just tightening the cable connected to the shifter. The nut on the shifter side of the cable has to be tightly tightened so that there is no slack in the wire. This is particularly important if your Mercedes is in park position. The shifter can move the cable approximately 16 inches and this could cause the key to become stuck. mercedes key coding may cause your steering wheel lock to get stuck. This is a vital security feature of your mercedes because it stops potential thieves from pushing the vehicle away or using the steering wheel for navigation the vehicle without having a key. A mercedes ignition switch can also become worn and need to replaced. This can be a fairly easy repair, but it is important to make sure that the new switch is compatible with the current one. A defective switch could cause your vehicle to stop and all lights to go out and the radio stop functioning when the key is in use. It is best to bring your mercedes in for this repair or purchase the new OEM Mercedes ignition switch. Some Mercedes ignition keys can become stuck in place even when the car's in park. This is a common problem in older Mercedes models and is usually caused by an untidy cable that connects the locking mechanism of your ignition assembly to the shifter. Jump start can be used to check if your key is still in its place. This is a great way to test the battery, and it's an easy and affordable solution. There are a myriad of reasons your mercedes ignition keys might not work. The most common is a dead or damaged battery. This issue is common to all models and makes of cars. You should consult with an automotive mechanic to diagnose the reason. Electronic Switch The ignition switch is an essential electronic part in a vehicle. It has a variety of positions that can power various systems as the key is turned. The first position activates electrical accessories, the second powers the ignition and fuel systems, and the final cranks the engine. Each mercedes ignition keys is unique. When you insert the key into the ignition of your vehicle, the electronic switch verifies that it is valid. If it's valid, it sends a signal to the steering lock (if your car has one) and other computer components to unlock the door. This is a great way to start your vehicle quickly and easilyand even if have lost your keys, you'll still be able to get in and out of the car without any trouble. However, even though we enjoy the convenience of our ignition switches they can pose serious dangers for the road. If your ignition switch is malfunctioning it might not be able to provide enough power to your car’s crucial electrical components or be missing crucial connections that could prevent you from starting your car. A defective ignition switch can cause your car to not start at all. This is usually due to the fact that the switch does not turn to the ‘on’ position, which turns on ignition or fuel systems. A malfunctioning ignition switch may also cause the key to not move into the first position. This is where you should check for warning lights on your dashboard. These lights usually turn on when you press the ignition button. They then dim once the car starts. In other cases the dashboard lights remain dark when you turn your key to the "on' position. The reason for this is that the ignition switch will temporarily provide electricity to the ignition and fuel pump systems when you switch the key to 'on but it will shut off power as soon as the key is removed from the 'on' position. You should contact an auto mechanic when you experience any of these issues. An expert can tell you whether the switch is defective and what steps to take to fix it. Steering Wheel Lock Mercedes ignition keys have an anti-theft feature. If someone breaks into your car and manages to move the steering wheel even though you're not there, it will activate the lock on the steering wheel to stop the car from moving. This security measure is designed to guard your family and you from harm during a robbery. It also stops thieves from taking your car. But, in some cases, the lock won't open or it could be locked. It can happen for many reasons, including damaged or worn out ignition tumblers. You can either buy a new key or fix the problem yourself. To fix this issue, you'll have to remove the ignition lock assembly. To accomplish this, you'll have to take off the plastic cover on the top of your ignition and then pull out the fasteners to secure it. Once you've removed the ignition lock assembly, you are able to replace it with a new one. It is important that the new part matches the parts of your vehicle. This will ensure that the locking mechanism is working correctly when it is installed. Also, make sure that the new ignition lock is installed correctly and that all clips are properly engaged. This is particularly crucial for older models. Wear and tear on the tumblers can cause your Mercedes ignition keys to become stuck in their locked position. This is not a rare problem that needs to be rectified before the cylinder gets completely stuck or is snapped off. To unlock the mercedes ignition key 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 recommended to take your time and do it slowly and gently. It's a straightforward procedure that will solve your issue within a short time. This is a great way to ensure your Mercedes ignition is working and secure, so you can operate it whenever you need to. If you need additional help call Mercedes-Benz of Centerville near Kettering for further details or to schedule an appointment. Tumbler When keys are inserted into the ignition of your Mercedes, it sends detailed infrared signal to the ignition switch to begin the engine. The Mercedes will rotate when the infrared information is in sync with the ECU. This will start the engine of the Mercedes, and also power all its systems. If your car won't start it could be time to take a closer look at the tumbler in your ignition lock. In some instances the tumbler may get worn out and requires replacement. Other times, it will be unable to engage the electronic ignition switch. The most obvious sign that the most obvious sign that your Mercedes ignition lock tumbler may be malfunctioning is when it fails to move in the right direction. This can be frustrating because you may be fighting the lock for a long time before your car is able to turn. Another sign that an ignition lock tumbler that is failing is that it may get jammed up or completely block the key when it's placed into the lock. It is important that you take your vehicle to your Mercedes specialist in the event of this. They can then examine and service the ignition switch tumbler. A bent or damaged key could be reasons why your Mercedes Benz ignition lock tumbler will not turn. If your key has a bent end, you must smooth the edge with an hammer, and then try to turn it. Use the hammer with a soft, gentle head and tap it carefully. You can sometimes remove your key from the ignition lock by gently jiggling the cylinder. This can be tricky so be cautious not to harm your key when trying to loosen it. If you've broken or missing Mercedes ignition lock tumbler, you can purchase an original keyed replacement from your local Mercedes-Benz dealer. These parts are designed to fit the original locks of your vehicle, so you can rest sure that they'll be able to be compatible with the system in your Mercedes.
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