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How to Fix a Mercedes Ignition Key That Won't Work

One of the most difficult things to deal with when you own a Mercedes is an ignition key that does not work. It can be an indicator of other issues, too.

There are three primary reasons for Mercedes Benz ignition keys problems. The most common causes are a bent key cable, loose cables, and a malfunctioning electronic switch.

Loose Cable

Loose cables could cause your Mercedes ignition key to become stuck. This issue can be fixed by simply tightening your cable at the shifter.

Make sure the nut at the end of the cable that connects to the shifter is tightly tucked so that the wire doesn't sag. This is especially important if your Mercedes is in park position. The shifter will move the cable approximately a sixteenth inch and this could cause the key to become stuck.

This loose cable could also cause your key to become affixed to the steering wheel lock. This is a crucial security feature of your Mercedes, as it prevents potential thieves from dragging the car away or using the steering wheel to navigate the vehicle without the use of a key.

Another issue that can occur with a mercedes ignition key is that the electronic switch may get worn out and need to be replaced. It's an easy fix, but you must make sure that the new switch is compatible with the one you have.

A damaged switch can result in a range of issues, including your vehicle becoming stuck and the lights not working, or the radio not working when you use your key. You can either bring your Mercedes in for repair or purchase a brand new OEM Mercedes ignition button.

Certain Mercedes ignition keys may get stuck even when the car is in park. This is a common issue with older Mercedes models. It's typically caused by a loose cable connecting the locking mechanism in your ignition assembly to your shifter.

If you have a key locked in place, you should attempt a jump start and determine if this fixes the issue. This is a good way to test the battery as well as an easy and cheap solution.

There are a myriad of reasons your Mercedes Replacement Key Cost ignition keys might not turn. The most frequent reason is a dead or damaged battery. This issue is common to all makes and models of vehicles. It is recommended to consult an auto mechanic to find the cause.

Electronic Switch

The ignition switch is an important electronic part of a car. As the key is turned it triggers different systems. The first one is for activating electrical accessories, while the second turns fuel and ignition systems. The third one cranks the engine.

Each ignition key for mercedes is unique. When you insert the key into the ignition of your vehicle the electronic switch checks the authenticity of the key. If it's valid it will send an alert to the steering lock (if your vehicle has one) as well as other computer modules to unlock the door. This is an excellent way for you to start your car quickly and effortlessly. Even if you lose your keys you can still be able to enter and exit your car with no difficulty.

However, even though we love the convenience of our ignition switches, they can cause problems while driving. If your ignition switch is malfunctioning it may not provide enough power to your car’s critical electrical components , or it could be missing vital connections that could prevent you from starting your car.

A malfunctioning ignition switch may cause your vehicle to not start at all. This is often due to the fact that the switch does not switch to the "on" position, which turns on fuel or ignition systems.

Another sign of a faulty ignition switch is that it does not move into the desired position, where you could look for warning lights on the dashboard. Usually, these lights come up when you hit the ignition button. They then dim once the 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 because the ignition switch will briefly provide electricity to the fuel pump and ignition systems if you turn the key to 'on and then it will shut off power when the key is removed from the 'on' position.

If you are experiencing any of these issues, your best bet is to seek the advice of an auto mechanic. A professional will be able to identify if the switch is malfunctioning or not and also what steps you can take to fix it.

Locking the Steering Wheel

Mercedes ignition keys are designed with an anti-theft feature in mind. If someone breaks into your car and manages move the steering wheel, even though you're not there it will trigger the steering wheel lock and stop the car from moving.

This measure of security protects you and your family from being victim to the perpetrator of a crime. It also stops thieves from stealing your car.

However, sometimes the lock won't unlock or it could be stuck in a locked position. It could be due to several reasons, such as damaged or worn-out ignition tumblers. You can either buy a new key or repair the problem yourself.

To fix this, you'll need to take off the ignition lock assembly. To do this, remove the plastic cover that covers the ignition and take out the fasteners.

Once you have removed the ignition lock assembly, you are able to replace it with a brand new one. It is important that the new piece matches the parts of your vehicle. This will ensure that the locking mechanism works well when it's reinstalled.

Also, ensure that the new ignition lock has been installed correctly and that all clips are properly engaged. This is particularly important with older models.

Wear and tear on the tumblers can also cause your mercedes ignition keys to be stuck in their locked position. This is a common issue that should be addressed prior to the cylinder getting stuck or snaps off.

To unlock the mercedes ignition key stuck in the locked position, you should try applying a little pressure to the key while turning it. To avoid damaging the lock mechanism or the key it is best to do this slowly and gently.

It's a straightforward procedure that will solve your issue within a short time. This is a great method to ensure your Mercedes ignition is in good condition and secure to drive it whenever you need. If you require additional assistance, contact Mercedes-Benz of Centerville near Kettering for further details or to schedule an appointment.

Tumbler

When a key is inserted into the ignition of your Mercedes, it sends detailed infrared information to the electronic ignition switch to start the engine. The Mercedes will rotate when the infrared information matches the ECU. This starts the car's engine, and also powers the numerous systems within it.

If your car won't start then it's probably time to take a closer look at your ignition lock's tumbler. Sometimes the tumbler will just wear out and will need to be replaced. Sometimes, the tumbler may not be able engage the electronic ignition button.

One of the most common indications that the Mercedes ignition lock tumbler is faulty is that it doesn't turn to the correct position. This can be frustrating since you might have to fight the lock for a while before the car can turn.

A malfunctioning ignition tumbler could also cause the key to block or completely block when it is put into the lock. It's essential to bring your vehicle to your Mercedes specialist if this happens. They can then look at and service the ignition switch's tumbler.

Other possible causes for an Mercedes Benz ignition lock tumbler that won't turn include a bent key or a damaged key. If your key's bent end causes it to not turn and is causing it to not turn, you can flatten it with a hammer to make it straight again. Use an easy-headed, soft hammer and tap the key carefully.

In the end, if your key is stuck inside the ignition lock cylinder, you can sometimes get it free by gently jiggling the steering wheel. But, this can be challenging and you must be cautious not to damage your key while trying to unravel it.

You can buy a replacement mercedes key fob keyed Mercedes-Benz ignition lock tumbler , if it's damaged or has gone missing. These parts are designed to fit the original locks in your vehicle and you can be sure that they'll be able to fit into the system of your Mercedes.