How to Fix a Mercedes Ignition Key That Won't Work
A key for ignition that doesn't work is one of the most frustrating issues you'll encounter when driving a Mercedes. It could also be an indication of other issues.
There are three main causes for Mercedes Benz ignition key problems. The most common causes are a bent key or cable that is loose, as well as malfunctioning electronic switches.
Loose Cable
Cables that are loose can cause the ignition key of your Mercedes to get stuck. This problem is easily solved with a simple tightening of the cable on the shifter.
Check 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 particularly important if your Mercedes is in park position. The shifter will move the cable by about 16 inches which could cause your key to get stuck.
This loose cable may cause your key to be tied to the lock on your steering wheel. This is a critical security feature of your Mercedes. It stops potential thieves from moving the car away or using the steering wheel to steer without the use of a key.
A mercedes ignition switch could be damaged and will need to be replaced. This is a simple repair which can be accomplished quickly, but it is important to make sure your new switch is in line with the one you currently have.
A defective switch could cause your car to stop the engine, all lights to go out, and the radio not working when your key is pressing. You can bring your Mercedes to repair or purchase a replacement OEM Mercedes ignition button.
Certain ignition keys of Mercedes can also be locked, even when the car is in park. This is a common problem with older Mercedes models. It is typically caused due to a loose cable linking the locking mechanism within the ignition assembly to the shifter.
If you have a lock that is locked in place, you should try a jump start to determine if this fixes the issue. This is a great method to test the battery and it's an easy and affordable solution.
There are other causes that your mercedes ignition keys might not turn but the most common is the battery is dead. This is a common problem with a variety of different brands and models of cars and you should seek the advice of an automotive mechanic to determine the root of the issue.
Electronic Switch
The ignition switch is an essential electronic component in a vehicle. As the key is turned, it triggers different systems. The first one activates electric accessories, while second turns fuel and ignition systems. The third cranks the engine.
Each mercedes ignition keys is unique. When you insert the key into your vehicle's ignition the electronic switch will verify that it is valid. If the key is legitimate it will send a signal to your car's steering lock and other computer modules to unlock your door. This is a great method to start your vehicle quickly and easily- and even if you lose your keys, you can still gain entry and exit without difficulty.
But, as much as we appreciate the convenience of our ignition switches, they can cause issues on the road. If the ignition switch malfunctions, it may not be sending enough power to your vehicle's vital electrical components, or it could be missing important connections that may prevent you from starting your car.
A malfunctioning ignition switch could cause your car to not start at all. Often, mercedes key is because the switch isn't turning to the 'on' position -- which powers on fuel and ignition systems.
A malfunctioning ignition switch may also cause the key to not be able to go into the first position. This is why you should look for warning lights on your dashboard. Usually, these lights come up when you hit the ignition button. They they dim when your car is running.
In other cases the dashboard lights remain dark after you turn your key to the 'on' position. The reason for this is that the ignition switch may temporarily provide power to the ignition and fuel pump systems when you switch the key to 'on but it will stop power as soon as the key is removed from the "on" position.
It is recommended to contact an auto mechanic if you encounter any of these problems. An expert will be able to identify if the switch is malfunctioning or not and what steps to take to correct it.
Steering Wheel Lock
Mercedes ignition keys are designed with an anti-theft feature in mind. If someone tries to break into your car and manages move the steering wheel even though you're not there, it will activate the lock on the steering wheel and stop the vehicle from moving.
This measure of security protects you and your family from being victim to criminals. It also stops thieves from stealing your vehicle.
However, there are times when the lock won't open or it could be locked. It could be due to many reasons, such as broken or worn out ignition tumblers. You can either get the replacement key or repair it yourself.
To fix this issue, you will need to remove the ignition lock assembly. To do this, you will have to remove the plastic cover that is on top of the ignition and then take off the fasteners that secure it.
After you've removed the ignition lock assembly you can replace it with a brand new one. It is essential that the new part matches the parts of your vehicle. This will ensure that the locking mechanism works correctly when it is installed.
It is also important to ensure that the new ignition lock is correctly installed and that all clips are properly engaged. This is particularly important with older models.
Another reason that could cause your ignition key for mercedes to be stuck in the locked position is wear and wear on the tumblers. This is not an uncommon problem that needs to be rectified prior to the cylinder becoming completely stuck or is snapped off.
To unlock the mercedes ignition key stuck in the locked position, you should apply a small amount of pressure to the key while turning it. You should do this slowly and gently so as not to harm the lock mechanism or the key.
This is an easy and simple way to fix your problem. It's also a great method to ensure your mercedes ignition is safe and ready to drive at any time you need it. If you need additional help you can contact Mercedes-Benz of Centerville near Kettering for further details or to make an appointment.
Tumbler
When you insert keys into the ignition of your Mercedes it transmits specific information to the electronic ignition switch that will turn the engine on. If the infrared information matches what's stored in the ECU, the Mercedes will begin to turn. This triggers the car's engine and powers the many systems inside it.
If your car won't turn on It could be an opportunity to look at the ignition lock tumbler. Sometimes, the tumbler can wear out and need to be replaced. Sometimes, the tumbler may not be able the electronic ignition button.
The most obvious indication that your Mercedes ignition lock tumbler might be damaged is when it doesn't turn in the correct direction. When this happens, it could be frustrating because you may have to struggle with the lock for a long period of time before you can get the car started.
Another sign that an ignition lock tumbler that's malfunctioning is that it can jam up or even completely block the key when it's inserted into the lock. It's essential to bring your vehicle to your Mercedes specialist in the event of this. They will then be able to examine and service the ignition switch's tumbler.
Other possibilities for the Mercedes Benz ignition lock tumbler that isn't turning are the possibility of a bent or worn-out key. If the bent part of your key is causing it to not turn, you can flatten it using a hammer to ensure it is straight. Make sure to make use of a soft-headed hammer, and that you tap very carefully.
In the end, if your key is stuck in the ignition lock cylinder you can sometimes get it free by gently jiggling the steering wheel. This can be a challenge, so make sure not to cause damage to your key while trying to loosen it.
If you have a broken or missing Mercedes ignition lock tumbler, you can get an original keyed replacement from your local Mercedes-Benz dealer. These parts are designed to fit the original locks in your vehicle, so you can rest assured that they'll be able to work with the system that is in your Mercedes.