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 have to face when driving a Mercedes. It could also be a sign of other issues.

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

Loose Cable

The loose cables can cause the ignition key of your Mercedes to get stuck. This issue can be corrected by tightening the cable around the shifter.

The bolt on the shifter end of the cable must be tightened up to ensure there isn't any slack in the cable. This is crucially important if you drive your Mercedes with the gears in park, because this can cause the shifter to move the cable by about a 16th of an inch or so, which may cause your key to become stuck.

The loose cable could cause the lock on your steering wheel to get stuck. This is a crucial security feature of your Mercedes as it blocks criminals from attempting to push the vehicle away or using the steering wheel to navigate the vehicle without a key.

Another issue that may arise with a mercedes ignition switch is that the electronic switch can be worn out and require to be replaced. It's an simple repair, however you should make sure that the new switch matches the one you have.

A defective switch could cause your vehicle to stop, all lights to go out and the radio not working when the key is in use. You can either bring your Mercedes in for repair or purchase a new OEM Mercedes ignition button.

Some ignition keys of Mercedes can become stuck in place even when your car is in park. This is a problem that is common with older Mercedes models. It is usually caused due to a loose cable linking the locking mechanism within the ignition assembly to the shifter.

If you have a key that's locked in place, you must try a jumpstart and check if this resolves the problem. This is a great way to test the battery, and it's an easy and inexpensive solution.

There are other causes that your ignition key for mercedes may not be turning however the most frequent is an unresponsive battery. This issue is common to all models and makes of vehicles. It is recommended to consult an automotive mechanic to identify the exact reason.

Electronic Switch

The ignition switch is an essential electronic component in a vehicle. When the key is turned it activates various systems. The first one activates electric accessories, while second turns on the ignition and fuel systems. The third turns the engine.


Each ignition key from Mercedes is unique. When you insert the key into the ignition of your car the electronic switch confirms the authenticity of the key. If it's valid it will send an indication to the steering lock (if your vehicle has one) and other computer components to unlock the door. This is an excellent way to get started with your car quickly and effortlessly. Even if you lose your keys , you'll still be able to be able to enter and exit your car without trouble.

However, as much as we enjoy the convenience of our ignition switches, they could also cause problems 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 can prevent you from starting your car.

One of the most common signs of a malfunctioning ignition switch is that it can't start your vehicle in any way. Most often, this is because the switch doesn't move to the 'on' position -- which powers on fuel and ignition systems.

Another sign of a defective ignition switch is that the key does not move into the desired position, from which you can look for warning indicators on the dashboard. These lights typically turn on when you press the ignition button. 2018 mercedes key programming will dim when your car starts.

In certain instances, the dashboard lights will remain dark even after turning the key to "on". This is due to the fact that the ignition switch will temporarily supply power to the fuel pumpand ignition systems, and the like if the key is switched to 'on'. However the switch will then shut off power when the key is removed.

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

Locking the steering wheel

Mercedes ignition keys have been designed with an anti-theft feature in mind. If someone steals your car and manages to move the steering wheel, even though you're not there it will activate the lock on the steering wheel and stop the car from moving.

This security measure is designed to safeguard you and your family from harm in a crime. It also prevents thieves from driving away with your car.

Sometimes, however, the lock won't unlock or is locked. This can happen for many reasons, such as damaged or worn-out ignition tumblers. You can purchase an alternate key or fix it yourself.

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

After you've removed your ignition lock assembly, it is possible to replace it with a brand new one. It is important to ensure that the new part is an exact match for the parts of your vehicle. This will help ensure that the locking mechanism functions perfectly when you install it.

It is also important to ensure that the new ignition lock is installed properly and that all clips are correctly engaged. This is especially important with older models.

Wear and wear and tear on the tumblers may cause your Mercedes ignition keys to be stuck in their locked position. This is a common problem that should be addressed prior to the cylinder getting stuck or snaps off.

To unlock an ignition lock from a Mercedes that is locked in its position, apply a small pressure to the key while simultaneously turning the key. To avoid damaging the lock mechanism or the key you must apply the pressure slowly and gently.

This is a simple procedure that can solve your issue in a matter of minutes. It's also an excellent way to ensure your mercedes ignition is secure and ready to go whenever you require it. For more information or to set up an appointment, call Mercedes-Benz Centerville near Kettering.

Tumbler

When keys are inserted into the ignition of your Mercedes it transmits precise infrared information to the electronic ignition switch, which will start the engine. As the infrared signal matches what's stored in the ECU the Mercedes will begin to turn. This will start the engine of the Mercedes and power all its systems.

If your car won't start, it might be time to check the ignition lock tumbler. Sometimes, the tumbler may get old and needs to be replaced. Other times, it will be unable to activate the electronic ignition switch.

The most obvious sign that the most obvious sign that your Mercedes ignition lock tumbler could be defective is when it doesn't move in the right direction. This can be frustrating since you may need to fight the lock for a while before your car is able to turn.

Another symptom of an ignition lock tumbler that is failing is that it may get jammed up or completely block the key when it's placed into the lock. It is important to bring your vehicle to your Mercedes specialist in the event of this. They can then examine and fix the ignition switch tumbler.

A bent key or a worn-out key might be the reason why your Mercedes Benz ignition lock tumbler will not turn. If your key has a bent end, you must flatten the ends with the hammer before trying to turn it again. Make sure you employ a hammer that is soft and that you tap very carefully.

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

If you've got a damaged or missing Mercedes ignition lock tumbler, you can purchase 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 sure that they'll be able to fit into the system of your Mercedes.