How to Fix a Mercedes Ignition Key That Won't Work
One of the most stressful issues to face when you own a Mercedes is an ignition key that won't work. It can be an indicator of other issues, too.
There are three main reasons for Mercedes Benz ignition key problems. They are a bent key or a cable that is loose, and an electronic switch that is not working properly.
Loose Cable
Cables that are loose can cause your Mercedes ignition key to get stuck. This issue can be fixed by tightening your cable at the shifter.
Make sure the nut at the end of the cable that connects to the shifter is tightened tightly to ensure that the cable does not sag. This is especially important if your Mercedes is in park position. The shifter can move the cable about 16 inches, which could cause your key to get stuck.
This loose cable can also cause your key to be bind to the steering wheel lock. This is an essential safety feature of your Mercedes, as it prevents criminals from attempting to push the vehicle away or using the steering wheel to navigate the vehicle without the key.
Another issue that can arise with an ignition key for a Mercedes is that the electronic switch may get worn out and need to be replaced. It's a simple fix that can be completed quickly but it is vital to make sure the new switch is compatible with the one you currently have.
A malfunctioning switch can cause your vehicle to stall the engine, all lights to go out, and the radio not working when the key is in use. It's best to bring your Mercedes in to have this repaired, or simply purchase the new OEM Mercedes ignition switch.
Certain ignition keys of Mercedes can also become locked in place even when the vehicle is in park. This is a common issue with older Mercedes models. It's typically caused by a loose cable that connects the locking mechanism within the ignition assembly to the shifter.
If you have a lock that is locked in place, you must try a jump start to determine if this fixes the problem. This is a good way to test the battery and it's an easy and cheap solution.
There are several other reasons that your mercedes ignition key may not be turning however the most common is the battery is dead. This is a typical issue for a variety of brands and models of cars and you should speak with an mechanic for the exact cause of your issue.
Electronic Switch
The ignition switch is an essential electronic part 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 electric accessories, while second turns fuel and ignition systems. The third one cranks the engine.
The ignition key of the Mercedes is unique to each vehicle when you insert it into the ignition system the electronic switch tests the key to ensure it's legal. 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 for you to start your car swiftly and easily. Even if you misplace your keys , you'll be able to access and leave your car with no trouble.
However, even though mercedes vehicle security aftermarket love the convenience of our ignition switches, they can create serious issues for our roads. If the ignition switch is malfunctioning it might not be sending enough power to your vehicle's vital electrical components, or it could be missing crucial connections that can prevent your vehicle from starting.
One of the most frequent indications of a damaged ignition switch is that it doesn't start your car in any way. This is typically due to the issue that the switch does not change to the "on" position, which turns on ignition or fuel systems.
A malfunctioning ignition switch may also cause the key to not turn into the first position. This is the reason you can check for warning lights on the dashboard. These lights usually turn on when you press the ignition key. They dim after the car starts.
In other situations the dashboard lights remain dark after you move 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 it will cut off power once the key is removed.
It is recommended to contact an auto mechanic when you experience any of these issues. An expert will be able to tell you whether the switch is malfunctioning or not and what steps to take to correct it.
Steering Wheel Lock
Mercedes ignition keys include an anti-theft feature. If someone tries to gain entry into your vehicle and turns the steering wheel without you being present, it will trigger the steering lock and stop the car from moving.
This safety measure protects your family and you from being victim to criminals. It also prevents thieves from stealing your vehicle.
Sometimes the lock might not be able to unlock or remain locked in an unlocked position. This can be due to several reasons, such as broken or worn out ignition tumblers. You can either purchase the replacement key or repair it yourself.
The first step to fix this is to remove 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 out the fasteners which hold it in place.
Once you've removed the ignition lock assembly, you are able to replace it with a brand new one. It is essential that the new piece matches the car's components. This will help ensure that the locking mechanism will work perfectly when you install it.
You should also check that the new ignition lock is installed properly and that all of the clips are properly engaged. This is especially important for older models.
Another reason that could cause your mercedes ignition key to get stuck in the locked position is wear and tear on the tumblers. This is not a rare issue that should be fixed before the cylinder gets completely stuck or snapped off.
To unlock an ignition lock from a Mercedes that is locked in its position, apply a bit of pressure to the key while simultaneously turning the key. You should do this slowly and slowly, so as not to harm the lock mechanism or the key.
This is a fast and simple way to fix your problem. This is a great method to ensure the Mercedes ignition is functioning and secure to drive it at any time you want. If you require further assistance, contact Mercedes-Benz of Centerville near Kettering for more details or to schedule an appointment.
Tumbler
When the key is inserted into the ignition of your Mercedes it will send detailed infrared information to the electronic ignition switch, which will start the engine. As the infrared data matches what's stored in the ECU the Mercedes will begin to turn. This will start the car's engine and powers the various systems within it.
If your Mercedes won't start, it might be time to check the ignition lock tumbler. Sometimes, the tumbler will wear out and will need to be replaced. Sometimes, it will not be able to turn on the electronic ignition switch.
The most obvious sign that your Mercedes ignition lock tumbler might be defective is when it doesn't turn in the correct direction. If this happens, it could be frustrating because you could have to struggle with the lock for a long period of time before you are able to start the car.
Another symptom of an ignition lock tumbler malfunctioning is that it can jam up or even completely block the key when it's inserted into the lock. It is important that you take your vehicle to your Mercedes specialist if this happens. They can then look at and repair the ignition switch's tumbler.
Other possible causes for a Mercedes Benz ignition lock tumbler that won't turn is bent keys or a worn out key. If the bent end of your key causes it to not turn then you can flatten it using a hammer to make it straight. Be sure to use a soft-headed hammer and that you tap 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 difficult and you should be careful not to break your key while trying to untangle it.
If you've a damaged or missing Mercedes ignition lock tumbler, you can purchase an original keyed replacement from your local Mercedes-Benz dealer. These parts are made specifically to fit the original locks in your vehicle and you can be sure that they'll be able to work with the system that is in your Mercedes.