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

An ignition key that does not work is among the most frustrating things you have to deal with when driving a Mercedes. It can be an indicator of other issues, too.

There are three main causes of Mercedes Benz ignition key problems. They are a bent key or a cable that is loose, and an electronic switch that's malfunctioning.

Loose Cable

Loose cables can cause your Mercedes replacement Key ignition key to be stuck in place. This problem can be resolved with just tightening the cable connected to the shifter.

Check that the nut at the end of the cable that connects to the shifter is secured so that the wire does not sag. This is especially important when you drive your lost mercedes key with the gear set in park position, because this can cause the shifter to move the cable by a sixteenth of an inch or so, which may result in your key getting stuck.

This loose cable may cause your key to become affixed to the steering wheel lock. This is a crucial security feature of your mercedes since it can stop potential thieves from pushing the car away or using the steering wheel to navigate the vehicle without the key.

A mercedes ignition switch can be damaged and will need to replaced. This is a simple repair that is quick and easy to do, but it is important to ensure that the new switch matches the one you currently have.

A damaged switch can cause a myriad of issues, such as your vehicle not moving and the lights not working, or the radio not working when you turn your key. You can either take your Mercedes in for repair or buy a new OEM Mercedes ignition button.

Some Mercedes ignition keys can become stuck in place even when the car is in park. This is a frequent issue with older Mercedes models. It's typically caused due to a loose cable linking the locking mechanism within the ignition assembly to the shifter.

Jump start is a great way to determine if your key is still in its place. It's a quick and simple method to test the battery.

There are a variety of other reasons that your mercedes replacement keys ignition key might not turn, but the most common is the battery is dead. This issue is prevalent for all makes and models of cars. You should seek the advice of an automotive mechanic to identify the exact reason.

Electronic Switch

The ignition switch is an important electronic part of a car. As the key is turned it activates various systems. The first one activates electric accessories, while second one turns the ignition and fuel systems. The third cranks the engine.

The ignition key of the Mercedes is unique to each car and, when you insert it into the ignition system the electronic switch tests the key to confirm it's legal. If the key is legitimate, it will send a signal to your car's steering lock and other computer components to unlock your door. This is a great way to start your vehicle quickly and easilyand even if lose your keys, you'll still access the car without difficulty.

But, despite the fact that we enjoy the convenience of our ignition switches, they can pose serious dangers for our roads. If your ignition switch is malfunctioning it may not provide enough power to your car’s vital electrical components or could be missing connections that could stop you from starting your car.

A defective ignition switch can cause your car to not start at all. This is usually due to the switch isn't in the 'on' position -- which powers on fuel and ignition systems.

Another sign of a faulty ignition switch is that the key will not go into the initial position, where you could check for warning dashboard lights. Usually, these lights come up when you press the ignition button and fade when the vehicle is running.

In other cases, the dashboard lights remain dark once you have moved your key to the "on' position. The reason for this is because the ignition switch will momentarily provide electricity to the fuel pump and ignition systems when you switch the key to 'on however it will shut off power when the key is removed from the "on" position.

It is recommended to contact an auto mechanic if you encounter any of these issues. An expert will be able to identify if the switch is defective or not, and the steps you can take to fix it.

Locking the Steering Wheel

Mercedes ignition keys come with an anti-theft feature. If someone breaks into your car and manages to move the steering wheel while you're not present it will trigger the lock on the steering wheel and stop the car from moving.

This security measure is designed to guard your family and you from harm in the event of a crime. It also stops thieves from taking your car.

Sometimes the lock might not open or remain locked in an unlocked position. It can happen for several reasons, including broken or worn out ignition tumblers. You can get an entirely new key or fix the problem yourself.

The first step for fixing this is to remove the ignition lock assembly. To accomplish this, you'll have to remove the plastic cover that is on top of the ignition and then pull out the fasteners that hold it in place.

After you've removed your ignition lock assembly, you are able to replace it with a new one. It is crucial to make sure the new part is the exact equivalent of your car's parts. This will ensure that the locking mechanism operates well when it's reinstalled.

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

Wear and tear on the tumblers might also cause your mercedes ignition keys to become stuck in their locked position. This is a common problem that needs to be dealt with before the cylinder becomes stuck or snaps off.

To unlock the ignition key of a Mercedes that is stuck in the locked position, you should apply a small amount of pressure to the key while turning it. To avoid damaging the lock mechanism or the key, you should take your time and do it slowly and gently.

This is a simple and simple solution to your issue. This is a great method to make sure your Mercedes ignition is in good condition and secure so you can use it at any time. For more information or to schedule an appointment, call Mercedes-Benz Centerville near Kettering.

Tumbler

When you insert keys into the ignition of your Mercedes it transmits information to the electronic ignition switch that will turn the engine on. When the infrared data matches what's 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 car won't start then it's probably time to look at the tumbler in your ignition lock. In some cases the tumbler will wear out over time and need to be replaced. Sometimes, it will not be able to engage the electronic ignition switch.

The most obvious indication that your Mercedes ignition lock tumbler may be malfunctioning is when it fails to turn in the right direction. If this occurs, it can be frustrating because you could need to battle with the lock for a long time before you can get the car started.

A malfunctioning ignition lock tumbler could also cause the key to jam up or become completely blocked when it is inserted into the lock. If this occurs it's crucial to take the vehicle to your local mercedes key fob programming specialist to examine and repair the ignition lock tumbler.

A bent key or a worn-out key could also be the reason why your Mercedes Benz ignition lock tumbler will not turn. If your key is bent at the end, it's important to flatten the bent end using an hammer, and then try to turn it. Use an easy-headed, soft hammer and tap it carefully.

You may be able to remove your key from the ignition lock cylinder by gently jiggling it. This can be a challenge, so make sure not to end up damaging your key in trying to free it.

If you've 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 of your vehicle so you can be confident that they'll have the ability to be compatible with the system in your Mercedes.