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'll encounter when driving a Mercedes. It can be an indicator of other issues, too.

There are three main causes for Mercedes Benz ignition key problems. They are bent keys, loose cables, and an electronic switch that is malfunctioning.

Loose Cable

Loose cables could cause the ignition key of your Mercedes to become stuck. This problem is easily solved with a simple tightening of the cable on the shifter.

The nut on the shifter end of this cable should be tightened in a way that there is no slack in the cable. This is particularly important if your Mercedes is in park position. The shifter will move the cable around 16 inches and this could cause your key to get stuck.

The loose cable could cause your key to bind to the lock on your steering wheel. This is a crucial security feature of your Mercedes. It stops potential thieves from moving the car away or using the steering wheel to navigate it without having a key.

The ignition switch on a Mercedes can be damaged and will need to be replaced. This can be a fairly simple repair, however you should ensure that the new switch matches the existing one.

A malfunctioning switch can cause your vehicle to stall, all lights to go out and the radio stop working when your key is press. It's best to bring your mercedes in to have this repaired or buy the new OEM Mercedes ignition switch.

Certain ignition keys from Mercedes can become stuck in place even when your car is in park. This is a common issue with older Mercedes models. It is typically caused by a loose connection between the locking mechanism of your ignition assembly to your shifter.

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

There are a variety of reasons why your Mercedes ignition keys might not work. Most commonly, it's an unbalanced or dead battery. This issue is prevalent for all models and makes of automobiles. It is recommended to consult an automotive mechanic to identify the root cause.

Electronic Switch

The ignition switch is an essential electronic component in a car. It has a variety of positions that power on different systems as the key is turned. The first position activates electric accessories, while second one is for turning the ignition and fuel systems. The third one cranks the engine.

Each mercedes ignition keys is unique. When you insert the key into your vehicle's ignition the electronic switch checks the authenticity of the key. 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 get you started in your car quickly and easily -- and even if you lose your keys, you'll still get in and out without difficulty.

But, as much as we love the convenience of our ignition switches, they also cause problems on the road. When the ignition switch is faulty it might not be supplying enough energy to your car's critical electrical components, or it could have missing connections that may prevent you from starting your vehicle.

A faulty ignition switch can cause your vehicle to not start at all. This is usually due the fact that the switch does not switch to the "on" position, which powers on fuel or ignition systems.

Another sign of a defective ignition switch is that it will not go into the initial position, where you could look for warning indicators on the dashboard. These lights usually turn on when you press the ignition button. They then dim once your car is started.

In other cases the dashboard lights stay dark once you have moved your key to the "on' position. This is because the ignition switch will temporarily supply power to the fuel pumpand ignition systems, and the like if the key is turned to 'on'. However, it will then cut off power when the key is removed.

If you are experiencing any of these issues, the best choice is to seek out a diagnosis from an auto mechanic. A professional can tell you whether the switch is malfunctioning or not and what steps to take to fix it.

Steering Wheel Lock

Mercedes ignition keys are made with an anti-theft feature in mind. If someone tries to gain entry into your vehicle and shifts the steering wheel, without being present, the key will activate the steering lock and stop the vehicle moving.

This measure of security protects you and your family from being a victim of an act of crime. It also stops thieves from driving off with your vehicle.

Sometimes, however, the lock may not unlock or remain locked in an unlocked position. It can happen for various reasons, including damaged or worn-out ignition tumblers. You can get a replacement key or repair it yourself.

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

After you've removed the ignition lock assembly, you are able to replace mercedes key it with a fresh one. It is important that the new component matches the car's components. This will ensure that the locking mechanism operates well when it's reinstalled.

Also, make sure that the new ignition lock is properly installed and that all clips are properly engaged. This is particularly important for older models.

Wear and wear and tear on the tumblers may also cause your mercedes ignition keys to get stuck in their locked position. This is a common issue that should be addressed before the cylinder gets 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 must apply the pressure slowly and gently.

This is a simple and simple solution to your issue. This is a great method to ensure that your Mercedes ignition is working and secure, so you can operate it whenever you need to. If you require assistance, 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 precise 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 car's engine and powers the many systems within it.

If your car won't turn on, it might be time to examine the ignition lock tumbler. In some cases, the tumbler will simply wear out over time and need to be replaced. Sometimes, the tumbler may not be able the electronic ignition button.

The most obvious sign that the Mercedes ignition lock tumbler could be defective is when it doesn't rotate in the proper direction. This can be a frustrating issue as you might have to battle the lock for a while before turning.

A malfunctioning ignition tumbler could also cause the key to block or completely block when it is in the lock. It's important 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 tumbler.

Other possibilities for the Mercedes Benz ignition lock tumbler that won't turn include bent keys or a damaged key. If the bent part of your key is causing it to not turn and is causing it to not turn, you can flatten it with a hammer and get it back straight. Make sure to use a soft-headed hammer and that you tap carefully.

Finally, if your key is stuck in the ignition lock cylinder, you can sometimes get it untangled by gently jiggling the steering wheel. However, this could be difficult and you must be cautious not to break your key while trying to untangle it.

If you've broken or missing Mercedes ignition lock tumbler, you can get an original keyed replacement mercedes key fob from your local Mercedes-Benz dealer. These parts are specially designed to fit your Mercedes original locks, meaning they will work with your Mercedes system.