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How to Fix a Mercedes Ignition Key That Won't Work
An ignition key that doesn't work is one of the most frustrating issues you'll face when driving an Mercedes. It could be a sign of other issuesas well.
There are three primary causes for Mercedes Benz ignition key problems. They are a bent key or cable that is not in good condition, and an electronic switch that is malfunctioning.
Loose Cable
Cables that are loose can cause your Mercedes ignition key to become stuck. This problem can be solved by tightening the cable around the shifter.
Make sure that the nut at the end of the cable that connects to the shifter is secured to ensure that the cable doesn't sag. This is especially crucial if your Mercedes is in the park position. The shifter can move the cable around 16 inches and this could cause your key to get stuck.
The loose cable could cause your key to be bind to the lock on your steering wheel. 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.
Another issue that may arise with a mercedes ignition switch is that the electronic switch could get worn out and need to be replaced. This can be a fairly simple repair, however it is important to ensure that the new switch is compatible with the existing one.
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 pressed. You can bring your Mercedes in for repair or buy a new OEM Mercedes ignition button.
Certain ignition keys of Mercedes can also be locked even when the vehicle is in park. mercedes replacement key cost uk is a common problem in older Mercedes models, and is typically caused by a loose cable connecting the locking mechanism of your ignition assembly to the shifter.
If you have a lock that is locked in place, you should try a jump start to check if this resolves the problem. This is a fast and easy method to test the battery.
There are several other reasons that your mercedes ignition keys might not turn, but the most common is the battery being dead. This is a common issue for all makes and models of automobiles. You should seek the advice of an auto mechanic to find the exact reason.
Electronic Switch
The ignition switch is an important electronic component of a vehicle. It comes in a variety of positions, which can power various systems as the key is turned. The first position is where you can activate electrical accessories, the second powers the ignition and fuel systems, while the third cranks the engine.
Each mercedes ignition keys is unique. When you insert the key into your car's ignition the electronic switch confirms that it is valid. If it's valid the key sends an indication to the steering lock (if your car has one) and other computer components to unlock the door. This is a great way to help you start your car quickly and easilyeven if you lose your keys, you'll still gain entry and exit without any trouble.
But, as much as we enjoy the convenience of our ignition switches, they can also create problems for drivers. When the ignition switch is malfunctioning the switch may not be sending enough power to your vehicle's essential electrical components, or it could be missing important connections that can prevent you from starting your car.

One of the most frequent symptoms of a faulty ignition switch is that it will not start your vehicle at all. This is typically due to the issue that the switch does not switch to the "on" position, which turns on fuel or ignition systems.
Another sign of a defective ignition switch is that the key does not move into the desired position, where you can look for warning indicators on the dashboard. These lights usually come on when you press the ignition button. They then dim when the car starts.
In other cases the dashboard lights remain dark after you move your key to the "on' position. The reason for this is because the ignition switch will briefly provide power to the fuel pump and ignition systems if you switch the key to "on', but then it will stop power as soon as the key is removed from the 'on' position.
You should consult 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 tries to gain entry into your vehicle and turns the steering wheel without being present, it will activate the steering lock and stop the vehicle from moving.
This safety measure is designed to safeguard your family and you from harm in a crime. It also stops thieves from driving off with your car.
But, in some cases, the lock won't unlock or it could be stuck in a locked position. This can be due to many reasons, such as damaged or worn out ignition tumblers. You can either buy an entirely new key or fix the issue yourself.
The first step for fixing this is removing the ignition lock assembly. To do this, you must remove the plastic cover that covers the ignition and take out the fasteners.
After you've removed your ignition lock assembly, you are able to replace it with a brand new one. It is essential to ensure that the new part is compatible with your car's parts. This will ensure that the locking mechanism functions perfectly when you install it.
Also, make sure that the new ignition lock is correctly installed and that all clips are properly engaged. This is particularly important for older models.
Wear and wear and tear on the tumblers could also cause your mercedes ignition keys to get stuck in their locked position. This is not an uncommon problem that needs to be rectified before the cylinder is completely stuck or is snapped off.
To unlock a mercedes ignition key that's 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 best to take it slow and gentle.
This is a quick and simple way to fix your issue. It's also a great way to ensure your mercedes ignition is safe and ready to go whenever you require it. If you need additional help get in touch with Mercedes-Benz of Centerville near Kettering for further information or to schedule an appointment.
Tumbler
When you insert an ignition key into the ignition of your Mercedes it transmits precise information to the electronic ignition switch to turn the engine on. When the infrared data matches up with what is stored in the ECU the Mercedes will begin to turn. This will start the car's engine and powers the many systems within it.
If your car won't start it's possible that it is an opportunity to look at the ignition lock tumbler. In some cases, the tumbler will simply get worn out and need to be replaced. Sometimes, the tumbler may not be able engage the electronic ignition button.
The most obvious indication that your Mercedes ignition lock tumbler may be defective is when it does not rotate in the proper direction. If this happens, it can be frustrating because you may have to fight with the lock for a long period of time before you can start the car.
Another sign of an ignition lock tumbler that is not working properly is that it could stop working or even block the key when it's inserted into the lock. It's crucial to take your vehicle to your Mercedes specialist if this happens. They will then be able to examine and service the ignition switch's tumbler.
Other possible causes for an Mercedes Benz ignition lock tumbler that isn't turning are bent keys or a worn out key. If your key is bent at the end, it's important to flatten the ends with a hammer and try to turn it over. Use an easy-headed, soft hammer and tap it carefully.
If your key is stuck inside the ignition lock cylinder you can sometimes get it out by gently jiggling the steering wheel. However, this is challenging and you must be careful not to scratch the key as you try to unravel it.
If you've a damaged or missing Mercedes ignition lock tumbler, you can order an original keyed replacement from your local Mercedes-Benz dealer. These parts are specifically designed to fit the original locks in your vehicle and you can be at ease knowing that they'll be able to work with the system that is in your Mercedes.