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How to Fix a Mercedes Ignition Key That Won't Work One of the most frustrating things to deal with when you own a Mercedes is the ignition key that doesn't work. It could be a sign of other issues, too. There are three main reasons Mercedes Benz ignition keys problems. They are a bent or bent key cable, loose wires, and malfunctioning electronic switches. Loose Cable Untight cables can cause your Mercedes ignition key to get stuck. This issue can be corrected by tightening the cable at the shifter. The nut on the shifter end of the cable has to be tightened up to ensure there isn't any looseness in the cable. This is particularly important if your Mercedes is in the park position. The shifter will move the cable about a sixteenth inch which could cause your key to be stuck. This loose cable can also cause your key to become affixed to the steering wheel lock. This is a vital security feature of your mercedes since it can stop potential thieves from pushing the vehicle away or using the steering wheel to steer the vehicle without the key. A mercedes ignition switch can also wear out and need to be replaced. This is a straightforward fix that is quick and easy to do but it is vital to make sure the new switch is compatible with the one you currently have. A defective switch could cause your car to stop, all lights to go out, and the radio not working when your key is press. It is recommended that you bring your Mercedes to a repair shop for this repair or buy a new OEM Mercedes ignition switch. Certain ignition keys from Mercedes can also be locked, even when the car is in park. This is a problem that is common with older Mercedes models. It is usually caused due to a loose cable linking the locking mechanism within the ignition assembly to the shifter. Jump start can be used to check if your key is still in place. This is a great method to test the battery, and it's a simple and cheap solution. There are a variety of other reasons that your mercedes ignition key might not turn but the most common is the battery is dead. This is a common issue for all kinds of kinds of automobiles and you should speak with an automotive mechanic to determine the root of your issue. Electronic Switch The ignition switch is an essential electronic part in a vehicle. When the key is turned, it triggers various systems. The first one activates electrical accessories, while the second one turns the ignition and fuel systems. The third turns the engine. Each ignition key from mercedes is unique. When mercedes key coding insert the key into your vehicle's ignition the electronic switch will verify that it's valid. If the key is legitimate it will send an indication to your car's steering lock and other computer modules to unlock your door. This is a great way to get you started in your car 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 create serious issues for the road. When the ignition switch malfunctions the switch may not be sending enough power to the vital electrical components, or it may have a problem with the connections that could keep you from starting your vehicle. One of the most common symptoms of a faulty ignition switch is that it can't start your car at all. It's usually because the switch isn't in the “on” position- which powers on fuel and ignition systems. A malfunctioning ignition switch could also cause the key to not go into the first position. This is why you should look for warning lights on your dashboard. These lights typically turn on when you press the ignition button. They dim after your car starts. In some instances, the dashboard lights will remain dark even after you turn the key to “on”. This is due to the fact that the ignition switch temporarily supplies power to the ignition, fuel pump systems, and the like if the key is turned to 'on'. However, it will then cut off power when the key is removed. You should contact an auto mechanic if you experience any of these issues. A specialist can tell you whether the switch is malfunctioning and the steps to take to repair it. Steering Wheel Lock Mercedes ignition keys include an anti-theft feature. If someone tries to break into your vehicle and manages to move the steering wheel, even though you're not around, it will activate the lock on the steering wheel and prevent the vehicle from moving. This security measure helps protect your family and you from being the victim of an act of crime. It also prevents thieves from stealing your car. However, there are times when the lock won't unlock or is locked. It can happen for many reasons, including worn or broken ignition tumblers. You can get a replacement key or fix it yourself. To fix this, you'll need to dismantle the ignition lock assembly. To do this, you'll have to remove the cover made of plastic on the top of the ignition and then take off the fasteners that secure it. Once you have removed the ignition lock assembly, it is possible to replace it with a fresh one. It is essential that the new component matches the components of your car. This will ensure that the locking mechanism works perfectly when it's installed. You should also ensure that the new ignition lock is correctly installed and that all clips are properly engaged. This is especially important for older models. Wear and tear on the tumblers might also cause your mercedes ignition keys to be stuck in their locked position. This is not a rare problem that needs to be rectified before the cylinder gets completely stuck or snapped off. To unlock the ignition key of a Mercedes that is stuck in the locked position, try applying a little pressure to the key while turning it. To avoid damaging the lock mechanism or the key it is best to take it slow and gentle. This is a simple process which will resolve your issue within a short time. This is a great way to ensure that the Mercedes ignition is functioning and secure so you can operate it whenever you need to. For more information or to schedule an appointment, contact Mercedes-Benz Centerville near Kettering. Tumbler When keys are inserted into the ignition of your Mercedes it will send detailed infrared signal to the ignition switch to begin the engine. The Mercedes will rotate when the infrared information matches the ECU. This triggers the car's engine, and also powers the numerous components inside it. If your Mercedes won't start It could be time to inspect the ignition lock tumbler. In some cases the tumbler may get worn out and need to be replaced. In other cases, it could not be able to turn on the electronic ignition switch. One of the most obvious indications that your Mercedes ignition lock tumbler is faulty is that it will not turn to the correct position. This can be frustrating as you may be fighting the lock for a while before turning. A malfunctioning ignition lock tumbler could cause the key to become jammed or completely block when it is in the lock. It is important to take your vehicle to your Mercedes specialist in the event of this. They will then be able to examine and service the ignition switch tumbler. A bent or worn-out key could also be reasons behind why your Mercedes Benz ignition lock tumbler isn't turning. If the bent edge of your key is causing it not to turn and is causing it to not turn, you can flatten it with a hammer and ensure it is straight. Make sure to employ a hammer that is soft and that you tap carefully. If your key is stuck inside the ignition lock cylinder you may be able to pull it untangled by gently jiggling the steering wheel. This can be tricky so be careful not to cause damage to your key while trying to unravel it. You can purchase a new keyed Mercedes-Benz ignition lock tumbler in case it is damaged or missing. These parts are designed to fit your Mercedes original locks, and can be used with your Mercedes system.