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 an ignition key that won't work It could be a sign of other issues There are three main reasons for Mercedes Benz ignition key problems They are a bent key as well as a loose cable and an electronic switch that's not working Loose Cable Cables that are loose can cause the ignition key of your Mercedes to get stuck This problem can be solved by simply tightening your cable at the shifter Make sure the nut on the end of the cable that connects to the shifter is tightened tightly to ensure that the cable isn't sagging This is especially important when you drive your Mercedes with the gear in park, as this will cause the shifter to move the cable one-sixteenth inch or so, which could result in your key getting stuck This loose cable can also cause your key to become affixed to the steering wheel lock This is a crucial security feature of your Mercedes, as it prevents criminals from attempting to push the vehicle away or using the steering wheel to drive the vehicle without a key Another issue that may arise when using a mercedes ignition key is that the electronic switch might become worn down and need to be replaced It's a simple fix which can be accomplished quickly however it is crucial to make sure the new switch matches the one you currently have A damaged switch could cause your vehicle to stall the engine, all lights to go out and the radio not working when the key is pressing It is best to bring your Mercedes to a repair shop to have this repaired or purchase the new OEM Mercedes ignition switch Certain ignition keys for Mercedes may also be locked, even when the car is in park http//ideainformercom/users/shapecover0/what=personal is a common problem in older Mercedes models, and is usually caused by an untidy cable that connects the locking mechanism within your ignition assembly to the shifter If you have a lock that is locked in place, try a jump start and see if this solves the problem It's a quick and simple method to test the battery There are many other reasons that your ignition key for mercedes may not work however the most frequent is the battery being dead This is a frequent issue for many different makes and models of cars and you should seek the advice of an mechanic for the root of the problem Electronic Switch The ignition switch is an essential electronic part of a car As the key is turned it activates various systems The first position activates electrical accessories, while the second turns fuel and ignition systems The third position 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 ensure it's legitimate If the key is valid, it will send a signal to the steering lock of your car and other computer components to unlock your door This is a great method for you to start your car quickly and easily Even if you misplace your keys , you'll be able to be able to get into and out of your vehicle without difficulty But, despite the fact that we enjoy the convenience of our ignition switches they can pose serious dangers for drivers When the ignition switch is defective, it may not be sending enough power to your vehicle's vital electrical components, or it could be missing crucial connections that may prevent you from starting your car One of the most common symptoms of a faulty ignition switch is that it doesn't start your car in any way Often, this is because the switch doesn't turn to the 'on' position -which is what powers the fuel and ignition systems A faulty ignition switch can also cause the key to not move into the first position This is the reason you should look for warning lights on your dashboard These lights usually come on when you press the ignition button They dim after your car is started In other instances 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 ignition if the key has been turned to "on" However the switch will then shut off power after the key is removed If you are experiencing any of these problems, the best option is to seek a diagnosis from an auto mechanic A professional will be able to determine if the switch is defective or not and also what steps to take to repair it Locking the Steering Wheel Mercedes ignition keys have been designed with an anti-theft feature in mind If someone tries to break into your car and then moves the steering wheel, without being present, the key will activate the steering lock and stop the vehicle from moving This security measure protects you and your family members from being a victim of a crime It also prevents thieves from driving off with your vehicle However, there are times when the lock won't open or may be stuck in a locked position This can be due to a number of reasons, including worn or broken ignition tumblers You can either buy a new key or repair the issue yourself The first step in fixing this is removing the ignition lock assembly To do this, you will need to remove the cover made of plastic on the top of the ignition, and then take out the fasteners that hold it in place After you've removed the ignition lock assembly, you are able to replace it with a new one It is important to ensure that the new part is the exact equivalent of the car's components This will help ensure that the locking mechanism functions correctly when you install it Also, make sure that the new ignition lock is properly installed and that all clips are engaged This is especially important for older models Wear and tear on the tumblers might cause your Mercedes ignition keys to be stuck in their locked position This isn't a common issue and should be addressed before the cylinder becomes completely stuck or is snapped 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 Do this slowly and slowly, so as not to harm the lock mechanism or the key It's a straightforward procedure that should solve your problem within a short time It's also a great option to ensure that your Mercedes ignition is secure and ready to drive whenever you need it If you require additional assistance you can contact Mercedes-Benz of Centerville near Kettering for further information or to set up an appointment Tumbler When you insert keys into the ignition of your Mercedes it transmits specific information to the electronic ignition switch that will start the engine As the infrared signal corresponds to the data stored in the ECU, the Mercedes will begin to turn This will start the engine of the Mercedes, and also power all its systems If your Mercedes won't start it could be time to examine the ignition lock tumbler Sometimes, the tumbler can wear out and will need to be replaced In other cases, it could be unable to activate the electronic ignition switch The most obvious sign that your Mercedes ignition lock tumbler might be defective is when it doesn't move in the right direction This can be a frustrating issue as you may be fighting the lock for a long time before turning A malfunctioning ignition lock's tumbler can also cause the key to jam or even become completely blocked when it is placed into the lock If this happens it's essential to bring your vehicle to a local Mercedes specialist so that they can examine and service the ignition tumbler of the lock A bent or damaged key could be reasons for why your Mercedes Benz ignition lock tumbler will not turn If the bent edge of your key causes it to not turn and is causing it to not turn, you can flatten it with a hammer and make it straight Make sure you make use of a soft-headed hammer, and that you tap carefully You can sometimes untangle your key from the ignition lock by gently jiggling the cylinder This can be a challenge, so be careful not to damage your key while trying to unravel it You can purchase a replacement keyed Mercedes-Benz ignition lock tumbler , if it is damaged or missing These parts are designed to fit the original locks in your vehicle, so you can rest confident that they'll have the ability to be compatible with the system in your Mercedes