How to Fix a Mercedes Ignition Key That Won't Work A key for ignition that doesn't work is among the most frustrating things you'll encounter when driving an Mercedes It can be an indicator of other issues, too There are three main causes for Mercedes Benz ignition key problems They are a bent or bent key cable, loose wires, and an electronic switch that is not working properly Loose Cable Loose cables can cause the ignition key of your Mercedes to become stuck This problem is easily solved with simply tightening the cable connected to the shifter The bolt on the shifter end of this cable needs to be tightened in a way that there is no slack in the cable This is particularly crucial for those who drive their Mercedes with the gears set to park, since this causes the shifter to move the cable one-sixteenth inch or so, which could cause your key to become stuck The loose cable can cause the steering wheel lock to get stuck This is an important safety feature of your Mercedes It helps prevent thieves from pushing the car away, or using the steering wheel to navigate without having a key Another issue that can arise with a mercedes ignition switch is that the electronic switch may wear out and need to be replaced It's a simple fix which can be accomplished quickly but it is vital to ensure that your new switch is in line with the one you currently have A defective switch could cause a variety of issues, including your vehicle not moving and the lights going out, or the radio not working when you turn your key It is best to bring your Mercedes in for repair, or simply purchase a new OEM Mercedes ignition switch Some Mercedes ignition keys can get stuck even when your car is in park This is a problem that is common in older Mercedes models and is typically caused by an untidy cable that connects the locking mechanism of your ignition assembly to the shifter If you have a key locked in place, you must try a jump start to try to resolve the issue This is a great way to test the battery, and it's a quick and affordable solution There are several other reasons that your mercedes ignition keys may not work however the most common is an unresponsive battery This is a common issue for many different makes and models of cars, and you should consult an mechanic for the root of the issue Electronic Switch The ignition switch is an important electronic component in a vehicle When the key is turned it activates different systems The first position is where you can activate electrical accessories, the second activates the ignition and fuel systems, while the third turns the engine The ignition key for the Mercedes is unique to each car, and when you insert it into the ignition system the electronic switch examines the key to ensure it's legal If the key is legitimate it will send an alert to your car's steering lock and other computer modules to unlock your door This is a great method to start your car quickly and effortlessly Even if you misplace the keys, you'll be able access and leave your car without difficulties But, despite the fact that we enjoy the convenience of our ignition switches, they can cause serious problems for our roads If the ignition switch is defective the switch may not be supplying enough power to your vehicle's vital electrical components, or it may be missing crucial connections that may prevent you from starting your car A malfunctioning ignition switch could cause your vehicle to not start at all This is usually due to the fact that the switch does not change to the "on" position, which powers on ignition or fuel systems Another sign of a faulty ignition switch is that it does not move into the desired position, where you could check for warning dashboard lights These lights typically turn on when you press the ignition key They will dim when your car is started In other situations the dashboard lights remain dark after you move your key to the 'on' position This is because the ignition switch temporarily supplies power to the fuel pump, ignition systems, and the like if the key is switched to "on" However, it will then cut off power when the key is removed You should consult an auto mechanic when you experience any of these issues An expert can identify if the switch is malfunctioning or not and what steps you can take to fix it Steering wheel lock Mercedes ignition keys have an anti-theft feature If someone attempts to steal your car and manages move the steering wheel while you're away it will trigger the locking mechanism on the steering wheel and stop the vehicle from moving This safety measure is designed to protect your family and you from being harmed during a robbery It also stops thieves from driving away with your car Sometimes, however, the lock might not open or remain locked in an unlocked position It can happen for a number of reasons, such as broken or worn out ignition tumblers You can get a new key or repair the problem yourself The first step to fix this is to take off the ignition lock assembly To accomplish this, you'll have to take off the plastic cover that is on the top of the ignition, and then pull out the fasteners which hold it in place After you have removed the ignition lock assembly, you are able to replace it with another one It is crucial that the new part matches the car's components This will help ensure that the locking mechanism functions well when you replace it Also, ensure that the new ignition lock has been properly installed and that all clips are properly engaged This is particularly important for older models Another reason that could cause your ignition key for mercedes to get stuck in the locked position is wear and tear on the tumblers This is not an uncommon problem that needs to be rectified before the cylinder becomes completely stuck or is snapped off To unlock https//wwwautokeys-r-uscouk/mercedes/ that is locked in its locked position, apply a small pressure to the key while simultaneously turning the key It is recommended to do this slowly and gently, so as not to damage the lock mechanism or the key This is a quick and simple way to fix your problem This is a great way to make sure your Mercedes ignition is working and secure to operate it whenever you need to If you need additional help call Mercedes-Benz of Centerville near Kettering for more information or to schedule an appointment Tumbler When the key is inserted into the ignition of your Mercedes it will send detailed infrared signal to the ignition switch to start the engine As the infrared signal matches with the data stored in the ECU the Mercedes will begin to turn This is the start of the engine and powers all the components inside it If your car won't start then it's probably time to take a closer look at your ignition lock's tumbler In some cases the tumbler will get worn out and will require replacement Sometimes, the tumbler may not be able to engage the electronic ignition button One of the most obvious indications that your Mercedes ignition lock tumbler may be defective is that it isn't turning into the proper position If this happens, it can be a hassle as you might be fighting with the lock for a long time before you are able to start your car A malfunctioning ignition lock tumbler could cause the key to jam up or become completely blocked once it is put into the lock If this happens it's essential to bring the vehicle to a local Mercedes specialist so that they can examine and service the ignition tumbler of the lock Other possibilities for a Mercedes Benz ignition lock tumbler that isn't turning are bent keys or a damaged key If your key has a bent end, it's crucial to flatten the end with an hammer, and then try to turn it back Make sure you use a soft-headed hammer and tap it very carefully You may be able to remove your key from the ignition lock cylinder by gently jiggling it This isn't easy, so make sure you don't damage your key while trying to untangle it You can purchase a replacement keyed Mercedes-Benz ignition tumbler if it's damaged or is missing These parts are specifically designed to fit the original locks of your vehicle and you can be sure that they'll be able to work with the system that is in your Mercedes